LTC6240/LTC6241/LTC6242
Single/Dual/Quad 18MHz,
Low Noise, Rail-to-Rail Output,
CMOS Op Amps
DESCRIPTION
FEATURES
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0.1Hz to 10Hz Noise: 550nVP-P
Input Bias Current:
0.2pA (Typ at 25°C)
1pA Max (LTC6240)
Low Offset Voltage: 125μV Max
Low Offset Drift: 2.5μV/°C Max
Gain Bandwidth Product: 18MHz
Output Swings Rail-to-Rail
Supply Operation:
2.8V to 6V LTC6240/LTC6241/LTC6242
2.8V to ±5.5V LTC6240HV/LTC6241HV/LTC6242HV
Low Input Capacitance
H-Grade Temperature Range: –40°C to 125°C
Single LTC6240 in 5-Pin Low Profile (1mm)
ThinSOT™ Package and 8-Pin SO for PCB Guard Ring
Dual LTC6241 in 8-Pin SO and Tiny DFN Packages
Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm
DFN Packages
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These op amps have an output stage that swings within
30mV of either supply rail to maximize the signal dynamic
range in low supply applications. The input common mode
range extends to the negative supply. They are fully specified on 3V and 5V, and an HV version guarantees operation
on supplies up to ±5V.
The LTC6240 is available in the 8-pin SO and the 5-pin SOT23 packages. The LTC6241 is available in the 8-pin SO, and
for compact designs it is packaged in a tiny dual fine pitch
leadless (DFN) package. The LTC6242 is available in the
16-pin SSOP as well as the 5mm × 3mm DFN package.
APPLICATIONS
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The LTC®6240/6241/LTC6242 are single, dual and quad
low noise, low offset, rail-to-rail output, unity gain stable
CMOS op amps that feature 1pA of input bias current. Input
bias current is guaranteed to be 1pA max on the single
LTC6240. The 0.1Hz to 10Hz noise of only 550nVP-P, along
with an offset of just 125μV are significant improvements
over traditional CMOS op amps. Additionally, noise is
guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz
gain bandwidth, and 10V/μs slew rate, along with the wide
supply range and low input capacitance, make them perfect
for use as fast signal processing amplifiers.
Photo Diode Amplifiers
Charge Coupled Amplifiers
Low Noise Signal Processing
Medical Instrumentation
High Impedance Transducer Amplifier
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Low Noise Single-Ended Input to Differential Output Amplifier
Noise Voltage vs Frequency
C3
10pF
C1
10pF
R1
200k
R3
4.99k
VIN
+2.5V
–
1/2
LTC6241
–2.5V
1/2
LTC6241
+
C2
10pF
VOUT+
+
–
TA = 25°C
VS = ±2.5V
VCM = 0V
50
R4
4.99k
VOUT–
NOISE VOLTAGE (nV/√Hz)
C4
10pF
60
40
30
20
10
0
R2
200k
1
6241 TA01a
10
100
1k
FREQUENCY (Hz)
10k
100k
6241 TA01b
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1
LTC6240/LTC6241/LTC6242
ABSOLUTE MAXIMUM RATINGS (Note 1)
Total Supply Voltage (V+ to V–)
LTC6240/LTC6241/LTC6242 ...................................7V
LTC6240HV/LTC6241HV/LTC6242HV....................12V
Input Voltage.......................... (V+ + 0.3V) to (V– – 0.3V)
Input Current........................................................ ±10mA
Output Short-Circuit Duration (Note 2) ............ Indefinite
Operating Temperature Range
LTC6240C/LTC6241C/LTC6242C ..........–40°C to 85°C
LTC6240I/LTC6241I/LTC6242I .............–40°C to 85°C
LTC6240H/LTC6241H/LTC6242H ....... –40°C to 125°C
Specified Temperature Range (Note 3)
LTC6240C/LTC6241C/LTC6242C .............. 0°C to 70°C
LTC6240I/LTC6241I/LTC6242I .............–40°C to 85°C
LTC6240H/LTC6241H/LTC6242H ....... –40°C to 125°C
Junction Temperature ........................................... 150°C
DHC, DD Package ............................................. 125°C
Storage Temperature Range .................. –65°C to 150°C
DHC, DD Package .............................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)................... 300°C
PIN CONFIGURATION
LTC6240
LTC6240
TOP VIEW
TOP VIEW
NC 1
+
+IN 3
–
V– 2
+IN 3
4 –IN
V–
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
4
8
NC
7
V+
6
OUT
5
NC
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 250°C/W
LTC6241
–
–IN 2
+
5 V+
OUT 1
TJMAX = 150°C, θJA = 190°C/W
LTC6241
TOP VIEW
TOP VIEW
8 V+
OUT A 1
–IN A 2
+IN A 3
V
–
OUT A 1
7 OUT B
A
B
–IN A 2
6 –IN B
5 +IN B
4
A
+IN A 3
B
V– 4
DD PACKAGE
8-LEAD (3mm s 3mm) PLASTIC DFN
V+
7
OUT B
6
–IN B
5
+IN B
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 43°C/W
UNDERSIDE METAL CONNECTED TO V–
(PCB CONNECTION OPTIONAL)
LTC6242
8
TJMAX = 150°C, θJA = 190°C/W
LTC6242
TOP VIEW
TOP VIEW
OUT A
1
16 OUT D
–IN A
2
+IN A
3
14 +IN D
V+
4
13 V–
+IN B
5
–IN B
6
11 –IN C
OUT B
7
10 OUT C
NC
8
9
A
D
17
B
C
15 –IN D
12 +IN C
NC
DHC PACKAGE
16-LEAD (5mm s 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
UNDERSIDE METAL CONNECTED TO V– (PCB CONNECTION OPTIONAL)
OUT A
1
–IN A
2
+IN A
3
14 +IN D
V+
4
13 V–
+IN B
5
–IN B
6
11 –IN C
OUT B
7
10 OUT C
NC
8
9
16 OUT D
A
B
D
C
15 –IN D
12 +IN C
NC
GN PACKAGE
16-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 135°C/W
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LTC6240/LTC6241/LTC6242
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
SPECIFIED TEMPERATURE RANGE
LTC6240CS5#PBF
LTC6240CS5#TRPBF
LTCRR
5-Lead Plastic TSOT-23
0°C to 70°C
LTC6240HVCS5#PBF
LTC6240HVCS5#TRPBF
LTCRS
5-Lead Plastic TSOT-23
0°C to 70°C
LTC6240IS5#PBF
LTC6240IS5#TRPBF
LTCRR
5-Lead Plastic TSOT-23
–40°C to 85°C
LTC6240HVIS5#PBF
LTC6240HVIS5 #TRPBF
LTCRS
5-Lead Plastic TSOT-23
–40°C to 85°C
LTC6240HS5#PBF
LTC6240HS5#TRPBF
LTCRR
5-Lead Plastic TSOT-23
–40°C to 125°C
LTC6240HVHS5#PBF
LTC6240HVHS5#TRPBF
LTCRS
5-Lead Plastic TSOT-23
–40°C to 125°C
LTC6240CS8#PBF
LTC6240CS8#TRPBF
6240
8-Lead Plastic SO
0°C to 70°C
LTC6240HVCS8#PBF
LTC6240HVCS8#TRPBF
6240HV
8-Lead Plastic SO
0°C to 70°C
LTC6240IS8#PBF
LTC6240IS8#TRPBF
6240I
8-Lead Plastic SO
–40°C to 85°C
LTC6240HVIS8#PBF
LTC6240HVIS8#TRPBF
240HVI
8-Lead Plastic SO
–40°C to 85°C
LTC6240HS8#PBF
LTC6240HS8#TRPBF
6240H
8-Lead Plastic SO
–40°C to 125°C
LTC6240HVHS8#PBF
LTC6240HVHS8#TRPBF
240HVH
8-Lead Plastic SO
–40°C to 125°C
LTC6241CDD#PBF
LTC6241CDD#TRPBF
LBPD
8-Lead (3mm × 3mm) Plastic DFN
0°C to 70°C
LTC6241HVCDD#PBF
LTC6241HVCDD#TRPBF
LBRR
8-Lead (3mm × 3mm) Plastic DFN
0°C to 70°C
LTC6241IDD#PBF
LTC6241IDD#TRPBF
LBPD
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC6241HVIDD#PBF
LTC6241HVIDD#TRPBF
LBRR
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC6241CS8#PBF
LTC6241CS8#TRPBF
6241
8-Lead Plastic SO
0°C to 70°C
LTC6241HVCS8#PBF
LTC6241HVCS8#TRPBF
6241HV
8-Lead Plastic SO
0°C to 70°C
LTC6241IS8#PBF
LTC6241IS8#TRPBF
6241I
8-Lead Plastic SO
–40°C to 85°C
LTC6241HVIS8#PBF
LTC6241HVIS8#TRPBF
241HVI
8-Lead Plastic SO
–40°C to 85°C
LTC6241HS8#PBF
LTC6241HS8#TRPBF
6241H
8-Lead Plastic SO
–40°C to 125°C
LTC6241HVHS8#PBF
LTC6241HVHS8#TRPBF
241HVH
8-Lead Plastic SO
–40°C to 125°C
LTC6242CDHC#PBF
LTC6242CDHC#TRPBF
6242
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC6242HVCDHC#PBF
LTC6242HVCDHC#TRPBF 6242HV
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC6242IDHC#PBF
LTC6242IDHC#TRPBF
6242
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC6242HVIDHC#PBF
LTC6242HVIDHC#TRPBF
6242HV
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC6242CGN#PBF
LTC6242CGN#TRPBF
6242
16-Lead Plastic SSOP
0°C to 70°C
LTC6242HVCGN#PBF
LTC6242HVCGN#TRPBF
6242HV
16-Lead Plastic SSOP
0°C to 70°C
LTC6242IGN#PBF
LTC6242IGN#TRPBF
6242I
16-Lead Plastic SSOP
–40°C to 85°C
LTC6242HVIGN#PBF
LTC6242HVIGN#TRPBF
242HVI
16-Lead Plastic SSOP
–40°C to 85°C
LTC6242HGN#PBF
LTC6242HGN#TRPBF
6242H
16-Lead Plastic SSOP
–40°C to 125°C
LTC6242HVHGN#PBF
LTC6242HVHGN#TRPBF
242HVH
16-Lead Plastic SSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
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3
LTC6240/LTC6241/LTC6242
AVAILABLE OPTIONS
PART NUMBER
LTC6240CS5
LTC6240CS8
LTC6240HVCS5
LTC6240HVCS8
LTC6240IS5
LTC6240IS8
LTC6240HVIS5
LTC6240HVIS8
LTC6240HS5
LTC6240HS8
LTC6240HVHS5
LTC6240HVHS8
LTC6241CS8
LTC6241CDD
LTC6241HVCS8
LTC6241HVCDD
LTC6241IS8
LTC6241IDD
LTC6241HVIS8
LTC6241HVIDD
LTC6241HS8
LTC6241HVHS8
LTC6242CGN
LTC6242CDHC
LTC6242HVCGN
LTC6242HVCDHC
LTC6242IGN
LTC6242IDHC
LTC6242HVIGN
LTC6242HVIDHC
LTC6242HGN
LTC6242HVHGN
AMPS/PACKAGE
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
4
4
4
4
4
4
4
4
4
4
SPECIFIED TEMP RANGE
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
SPECIFIED SUPPLY VOLTAGE
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V
3V, 5V, ±5V
3V, 5V, ±5V
3V, 5V
3V, 5V, ±5V
PACKAGE
SOT-23
SO-8
SOT-23
SO-8
SOT-23
SO-8
SOT-23
SO-8
SOT-23
SO-8
SOT-23
SO-8
SO-8
DD
SO-8
DD
SO-8
DD
SO-8
DD
SO-8
SO-8
GN
DHC
GN
DHC
GN
DHC
GN
DHC
GN
GN
PART MARKING
LTCRR
6240
LTCRS
6240HV
LTCRR
6240I
LTCRS
240HVI
LTCRR
6240H
LTCRS
240HVH
6241
LBPD
6241HV
LBRR
6241I
LBPD
241HVI
LBRR
6241H
241HVH
6242
6242
6242HV
6242HV
6242I
6242
242HVI
6242HV
6242H
242HVH
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LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
l
LTC6241, LTC6242
LTC6240
IOS
MIN
Input Offset Current (Notes 4, 7)
LTC6241, LTC6242
LTC6240
TYP
MAX
UNITS
40
125
250
300
μV
μV
μV
50
150
275
300
μV
μV
μV
50
175
300
350
μV
μV
μV
100
550
650
725
μV
μV
μV
40
160
300
375
μV
μV
μV
50
185
325
400
μV
μV
μV
150
650
700
750
μV
μV
μV
0.7
2.5
μV/°C
75
pA
pA
1
75
pA
pA
75
pA
pA
1
75
pA
pA
0.2
l
0.2
l
0.2
l
0.2
l
Input Noise Voltage
0.1Hz to 10Hz
en
Input Noise Voltage Density
f = 1kHz
in
Input Noise Current Density (Note 8)
0.56
fA/√Hz
RIN
Input Resistance
Common Mode
1012
Ω
CIN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
3.5
3
pF
pF
Input Voltage Range
Guaranteed by CMRR
l
0
0V ≤ VCM ≤ 3.5V
l
80
105
dB
l
76
95
dB
VCM
CMRR
Common Mode Rejection
CMRR Match
Channel-to-Channel (Note 5)
550
7
nVP-P
10
3.5
nV/√Hz
V
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5
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
TA = 25°C. VS = 5V, 0V, VCM = 2.5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
AVOL
Large Signal Voltage Gain
VO = 1V to 4V
RL = 10k to VS/2
0°C to 70°C
–40°C to 85°C
MIN
TYP
MAX
UNITS
l
l
425
300
200
1600
V/mV
V/mV
V/mV
VO = 1.5V to 3.5V
RL = 1k to VS/2
0°C to 70°C
–40°C to 85°C
l
l
90
60
50
215
V/mV
V/mV
V/mV
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
ISINK = 5mA
l
l
l
7
40
190
30
75
325
mV
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
ISOURCE = 5mA
l
l
l
11
45
190
30
75
325
mV
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 6V, VCM = 0.2V
l
80
104
dB
PSRR Match
Channel-to-Channel (Note 5)
l
74
100
dB
Minimum Supply Voltage (Note 10)
l
2.8
ISC
Short-Circuit Current
l
15
IS
Supply Current per Amplifier
LTC6241, LTC6242
0°C to 70°C
–40°C to 85°C
l
l
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
V
30
mA
1.8
2.2
2.3
2.4
mA
mA
mA
2
2.4
2.5
2.6
mA
mA
mA
GBW
Gain Bandwidth Product
Frequency = 20kHz, RL = 1kΩ
l
13
18
MHz
SR
Slew Rate (Note 11)
AV = –2, RL = 1kΩ
l
5
10
V/μs
FPBW
Full Power Bandwidth (Note 12)
VOUT = 3VP-P, RL = 1kΩ
l
0.53
1.06
MHz
ts
Settling Time
VSTEP = 2V, AV = –1, RL = 1kΩ, 0.1%
1100
ns
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6
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
l
LTC6241, LTC6242
LTC6240
IOS
Input Offset Current (Notes 4, 7)
LTC6241, LTC6242
LTC6240
VCM
CMRR
Input Voltage Range
Common Mode Rejection
Large Signal Voltage Gain
TYP
MAX
UNITS
40
175
275
325
μV
μV
μV
60
200
275
325
μV
μV
μV
50
200
325
375
μV
μV
μV
100
550
650
725
μV
μV
μV
40
200
325
400
μV
μV
μV
60
225
325
400
μV
μV
μV
150
650
700
750
μV
μV
μV
0.7
2.5
μV/°C
75
pA
pA
1
75
pA
pA
75
pA
pA
1
75
pA
pA
1.5
V
0.2
l
0.2
l
0.2
l
0.2
l
Guaranteed by CMRR
l
0
0V ≤ VCM ≤ 1.5V
l
78
100
dB
l
76
95
dB
VO = 1V to 2V
RL = 10k to VS/2
0°C to 70°C
–40°C to 85°C
l
l
140
100
75
600
V/mV
V/mV
V/mV
CMRR Match
Channel-to-Channel (Note 5)
AVOL
MIN
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
l
l
3
65
30
110
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
l
l
4
70
30
120
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 6V, VCM = 0.2V
l
80
104
dB
PSRR Match
Channel-to-Channel (Note 5)
l
74
100
dB
Minimum Supply Voltage (Note 10)
l
2.8
Short-Circuit Current
l
3
ISC
V
6
mA
624012fe
7
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
IS
Supply Current per Amplifier
LTC6241, LTC6242
0°C to 70°C
–40°C to 85°C
l
l
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
Frequency = 20kHz, RL = 1kΩ
l
GBW
Gain Bandwidth Product
MIN
12
TYP
MAX
1.4
1.7
1.8
1.9
mA
mA
mA
1.5
1.9
2
2.1
mA
mA
mA
17
UNITS
MHz
(LTC6240HVC/I, LTC6241HVC/I, LTC6242HVC/I) The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. VS = ±5V, 0V, VCM = 0V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
l
LTC6241, LTC6242
LTC6240
IOS
MIN
Input Offset Current (Notes 4, 7)
LTC6241, LTC6242
LTC6240
Input Noise Voltage
0.1Hz to 10Hz
l
l
l
l
TYP
MAX
UNITS
50
175
275
325
μV
μV
μV
60
200
275
325
μV
μV
μV
60
250
350
400
μV
μV
μV
100
550
650
725
μV
μV
μV
50
200
325
400
μV
μV
μV
60
225
325
400
μV
μV
μV
150
650
700
750
μV
μV
μV
0.7
2.5
μV/°C
75
pA
pA
1
75
pA
pA
75
pA
pA
1
75
pA
pA
0.5
0.5
0.2
0.2
550
nVP-P
624012fe
8
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240HVC/I, LTC6241HVC/I, LTC6242HVC/I) The l denotes the
specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VS = ±5V, 0V, VCM = 0V
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
en
Input Noise Voltage Density
f = 1kHz
in
Input Noise Current Density (Note 8)
0.56
fA/√Hz
RIN
Input Resistance
Common Mode
1012
Ω
CIN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
3.5
3
pF
pF
VCM
Input Voltage Range
Guaranteed by CMRR
l
–5
–5V ≤ VCM ≤ 3.5V
l
83
105
dB
dB
CMRR
Common Mode Rejection
CMRR Match
Channel-to-Channel (Note 5)
AVOL
Large Signal Voltage Gain
MIN
TYP
MAX
UNITS
7
10
nV/√Hz
3.5
V
l
76
95
VO = –3.5V to 3.5V
RL = 10k
0°C to 70°C
–40°C to 85°C
l
l
775
600
500
2700
V/mV
V/mV
V/mV
RL = 1k
0°C to 70°C
–40°C to 85°C
l
l
150
90
75
360
V/mV
V/mV
V/mV
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
ISINK = 10mA
l
l
l
15
45
360
30
75
550
mV
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
ISOURCE = 10mA
l
l
l
15
45
360
30
75
550
mV
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 11V, VCM = 0.2V
l
85
110
dB
PSRR Match
Channel-to-Channel (Note 5)
l
82
106
dB
Minimum Supply Voltage (Note 10)
l
2.8
ISC
Short-Circuit Current
l
15
IS
Supply Current per Amplifier
V
35
mA
LTC6241, LTC6242
0°C to 70°C
–40°C to 85°C
2.5
3.2
3.3
3.7
l
l
mA
mA
mA
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
2.7
3.3
3.4
3.8
mA
mA
mA
l
13
18
MHz
GBW
Gain Bandwidth Product
Frequency = 20kHz, RL = 1kΩ
SR
Slew Rate (Note 11)
AV = –2, RL = 1kΩ
l
5.5
10
V/μs
l
0.58
1.06
MHz
900
ns
FPBW
Full Power Bandwidth (Note 12)
VOUT = 3VP-P, RL = 1kΩ
ts
Settling Time
VSTEP = 2V, AV = –1, RL = 1kΩ, 0.1%
624012fe
9
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH)
The l denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 5V, 0V, VCM = 2.5V
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
LTC6242 GN
LTC6240
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
LTC6242 GN
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
Input Offset Current (Notes 4, 7)
l
l
l
l
l
l
LTC6241, LTC6242
LTC6240
IOS
MIN
LTC6241, LTC6242
LTC6240
TYP
MAX
UNITS
40
125
400
μV
μV
50
150
400
μV
μV
50
175
450
μV
μV
40
160
400
μV
μV
50
185
400
μV
μV
0.7
2.5
μV/°C
1.5
pA
nA
1
2.5
pA
nA
150
pA
pA
1
750
pA
pA
0.2
l
0.2
l
0.2
l
0.2
l
VCM
Input Voltage Range
Guaranteed by CMRR
l
0
CMRR
Common Mode Rejection
0V ≤ VCM ≤ 3.5V
l
78
dB
l
74
dB
l
425
200
1600
V/mV
V/mV
l
90
40
215
V/mV
V/mV
CMRR Match
Channel-to-Channel (Note 5)
AVOL
Large Signal Voltage Gain
VO = 1V to 4V
RL = 10k to VS/2
VO = 1.5V to 3.5V
RL = 1k to VS/2
3.5
V
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
ISINK = 5mA
l
l
l
30
85
325
mV
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
ISOURCE = 5mA
l
l
l
30
85
325
mV
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 6V, VCM = 0.2V
l
78
dB
PSRR Match
Channel-to-Channel (Note 5)
l
74
dB
Minimum Supply Voltage (Note 10)
l
2.8
V
ISC
Short-Circuit Current
l
15
IS
Supply Current per Amplifier
LTC6241, LTC6242
LTC6240
l
l
l
12
mA
1.8
2.2
2.4
mA
mA
2
2.4
2.8
mA
mA
GBW
Gain Bandwidth Product
Frequency = 20kHz, RL = 1kΩ
MHz
SR
Slew Rate (Note 11)
AV = –2, RL = 1kΩ
l
4.5
V/μs
FPBW
Full Power Bandwidth (Note 12)
VOUT = 3VP-P, RL = 1kΩ
l
0.48
MHz
624012fe
10
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240H/LTC6240HVH, LTC6241H/LTC6241HVH, LTC6242H/LTC6242HVH)
The l denotes the specifications which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V, VCM = 1.5V
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
LTC6242 GN
LTC6240
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
LTC6242 GN
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
Input Offset Current (Notes 4, 7)
l
l
l
l
l
l
LTC6241, LTC6242
LTC6240
IOS
MIN
LTC6241, LTC6242
LTC6240
TYP
MAX
UNITS
40
175
400
μV
μV
60
200
400
μV
μV
50
200
450
μV
μV
40
200
400
μV
μV
60
225
400
μV
μV
0.7
2.5
μV/°C
1.5
pA
nA
1
2.5
pA
nA
150
pA
pA
1
750
pA
pA
1.5
V
0.2
l
0.2
l
0.2
l
0.2
l
VCM
Input Voltage Range
Guaranteed by CMRR
l
0
CMRR
Common Mode Rejection
0V ≤ VCM ≤ 1.5V
l
75
dB
l
74
dB
l
140
65
CMRR Match
Channel-to-Channel (Note 5)
AVOL
Large Signal Voltage Gain
VO = 1V to 2V
RL = 10k to VS/2
600
V/mV
V/mV
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
l
l
30
130
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
l
l
30
130
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 6V, VCM = 0.2V
l
78
dB
PSRR Match Channel-to-Channel
(Note 5)
l
74
dB
Minimum Supply Voltage (Note 10)
l
2.8
V
l
2.5
ISC
Short-Circuit Current
IS
Supply Current per Amplifier
LTC6241, LTC6242
LTC6240
GBW
Gain Bandwidth Product
Frequency = 20kHz, RL = 1kΩ
l
l
l
10
mA
1.4
1.7
1.9
mA
mA
1.5
1.9
2.1
mA
mA
MHz
624012fe
11
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
(LTC6240HVH/LTC6241HVH/LTC6242HVH) The l denotes the specifications
which apply from –40°C to 125°C, otherwise specifications are at TA = 25°C. VS = ±5V, VCM = 0V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
VOS
Input Offset Voltage (Note 4)
LTC6241 S8
LTC6242 GN
LTC6240
VOS Match Channel-to-Channel (Note 5) LTC6241 S8
LTC6242 GN
TC VOS
Input Offset Voltage Drift (Note 6)
IB
Input Bias Current (Notes 4, 7)
Input Offset Current (Notes 4, 7)
l
l
l
l
l
l
LTC6241, LTC6242
LTC6240
IOS
MIN
LTC6241, LTC6242
LTC6240
TYP
MAX
UNITS
50
175
400
μV
μV
60
200
400
μV
μV
60
250
450
μV
μV
50
200
400
μV
μV
60
225
400
μV
μV
0.7
2.5
μV/°C
1.5
pA
nA
1
2.5
pA
nA
150
pA
pA
1
750
pA
pA
0.5
l
0.5
l
0.2
l
0.2
l
VCM
Input Voltage Range
Guaranteed by CMRR
l
–5
CMRR
Common Mode Rejection
–5V ≤ VCM ≤ 3.5V
l
80
dB
l
76
dB
l
775
350
2700
V/mV
V/mV
l
150
60
360
V/mV
V/mV
CMRR Match
Channel-to-Channel (Note 5)
AVOL
Large Signal Voltage Gain
VO = –3.5V to 3.5V
RL = 10k
RL = 1k
3.5
V
VOL
Output Voltage Swing Low (Note 9)
No Load
ISINK = 1mA
ISINK = 10mA
l
l
l
30
85
600
mV
mV
mV
VOH
Output Voltage Swing High (Note 9)
No Load
ISOURCE = 1mA
ISOURCE = 10mA
l
l
l
30
85
600
mV
mV
mV
PSRR
Power Supply Rejection
VS = 2.8V to 11V, VCM = 0.2V
l
83
dB
PSRR Match
Channel-to-Channel (Note 5)
l
82
dB
Minimum Supply Voltage (Note 10)
l
2.8
V
ISC
Short-Circuit Current
l
15
mA
IS
Supply Current per Amplifier
LTC6241, LTC6242
LTC6240
3.2
3.7
mA
mA
2.7
3.3
3.8
mA
mA
12
MHz
AV = –2, RL = 1kΩ
l
5
V/μs
VOUT = 3VP-P, RL = 1kΩ
l
0.53
MHz
Gain Bandwidth Product
Frequency = 20kHz, RL = 1kΩ
SR
Slew Rate (Note 11)
Full Power Bandwidth (Note 12)
l
2.5
l
GBW
FPBW
l
624012fe
12
LTC6240/LTC6241/LTC6242
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: A heat sink may be required to keep the junction temperature
below the absolute maximum rating when the output is shorted
indefinitely.
Note 3: The LTC6240C/LTC6240HVC/LTC6241C/LTC6241HVC, LTC6242C/
LTC6242HVC are guaranteed to meet specified performance from 0°C to
70°C. They are designed, characterized and expected to meet specified
performance from –40°C to 85°C, but are not tested or QA sampled at
these temperatures. The LTC6240I/LTC6240HVI, LTC6241I/LTC6241HVI,
LTC6242I/LTC6242HVI are guaranteed to meet specified performance
from –40°C to 85°C. All versions of the LTC6240H/LTC6241H/LTC6242H
are guaranteed to meet specified performance from –40°C to 125°C.
Note 4: ESD (Electrostatic Discharge) sensitive device. ESD protection
devices are used extensively internal to the LTC6240/LTC6241/LTC6242;
however, high electrostatic discharge can damage or degrade the device.
Use proper ESD handling precautions.
Note 5: Matching parameters are the difference between the two amplifiers
A and D and between B and C of the LTC6242; between the two amplifiers
of the LTC6241. CMRR and PSRR match are defined as follows: CMRR
and PSRR are measured in μV/V on the matched amplifiers. The difference
is calculated between the matching sides in μV/V. The result is converted
to dB.
Note 6: This parameter is not 100% tested.
Note 7: Bias current at TA = 25°C is 100% tested and guaranteed for the
LTC6240 in the S8 package. The LTC6240S5, LTC6241 and LTC6242 are
expected to achieve the same performance as the LTC6240S8. All parts are
guaranteed to meet specifications over temperature.
Note 8: Current noise is calculated from the formula: in = (2qIB)1/2 where
q = 1.6 × 10–19 coulomb. The noise of source resistors up to 50GΩ
dominates the contribution of current noise. See also Typical Performance
Characteristics curve Noise Current vs Frequency.
Note 9: Output voltage swings are measured between the output and
power supply rails.
Note 10: Minimum supply voltage is guaranteed by the power supply
rejection ratio test.
Note 11: Slew rate is measured in a gain of –2 with RF = 1k and RG =
500Ω. On the LTC6240/LTC6241/LTC6242, VS = ±2.5V, VIN is ±1V and
VOUT slew rate is measured between –1V and +1V. On the LTC6240HV/
LTC6241HV/LTC6242HV, VIN is ±2V and VOUT slew rate is measured
between –2V and +2V.
Note 12: Full-power bandwidth is calculated from the slew rate:
FPBW = SR/πVP-P.
624012fe
13
LTC6240/LTC6241/LTC6242
TYPICAL PERFORMANCE CHARACTERISTICS
VOS Distribution LTC6241
VOS Temperature Coefficient
Distribution LTC6241
VOS Distribution LTC6241
90
120
VS = ±2.5V
80 SO-8 PACKAGE
16
VS = ±2.5V
DD PACKAGE
14
100
60
50
40
30
NUMBER OF UNITS
12
NUMBER OF UNITS
NUMBER OF UNITS
70
80
60
40
20
10
0
–50 –30 –10 10
30
50
INPUT OFFSET VOLTAGE (μV)
6
0
0
70
–350 –250 –150 –50 50 150 250
INPUT OFFSET VOLTAGE (μV)
6241 G01
–1.0 –0.6 –0.2 0.2 0.6 1.0
DISTRIBUTION (μV/°C)
350
18
VS = ±2.5V
14
NUMBER OF UNITS
20
15
10
Supply Current vs Supply Voltage
VS = 5V, 0
VCM = 2.5V
2 LOTS
–40°C TO 125°C
SO-8 AND SOT23
PACKAGES
16
30
12
10
8
6
4
5
3.5
2
0
–110 –90 –70 –50 –30 –10 10 30
INPUT OFFSET VOLTAGE (μV)
50
0
–0.6
70
300
0.2
0.6
1.0
1.4
DISTRIBUTION (μV/°C)
100
50
TA = 25°C
0
–50
TA = –55°C
–100
–150
1000
2
8
6
10
4
TOTAL SUPPLY VOLTAGE (V)
700
600
100
10
TA = 85°C
1
VS = 5V, 0V
500
400
300
200
TA = 25°C
TA = 125°C
100
0
–100
–200
TA = 85°C
–300
–250
0.1
0
12
Input Bias Current
vs Common Mode Voltage
TA = 25°C
6241 G07
0.5
6241 G06
VS = 5V, 0V
–200
–300
–0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
INPUT COMMON MODE VOLTAGE (V)
1.0
0
TA = 125°C
TA = 125°C
TA = 125°C
1.5
1.8
INPUT BIAS CURRENT (pA)
150
2.0
Input Bias Current
vs Common Mode Voltage
INPUT BIAS CURRENT (pA)
200
TA = –55°C
2.5
6241 G05
VS = 5V, 0V
250
TA = 25°C
3.0
0
–0.2
6241 G04
Offset Voltage
vs Input Common Mode Voltage
1.8
6241 G03
VOS Temperature Coefficient
Distribution LTC6240
25
1.4
6241 G02
VOS Distribution LTC6240
PERCENT OF UNITS
8
2
SUPPLY CURRENT PER AMP (mA)
–70
OFFSET VOLTAGE (μV)
10
4
20
35
VS = ±2.5V
2 LOTS
–55°C TO 125°C
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
COMMON MODE VOLTAGE (V)
6241 G08
–400
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
COMMON MODE VOLTAGE (V)
6241 G09
624012fe
14
LTC6240/LTC6241/LTC6242
TYPICAL PERFORMANCE CHARACTERISTICS
100
VS = 10V
VS = 5V
10
1
0.1
TA = 25°C
1
TA = 125°C
0.1
TA = –55°C
0.01
0.001
0.1
25 35 45 55 65 75 85 95 105 115 125
TEMPERATURE (°C)
10
VS = 5V, 0V
OUTPUT HIGH SATURATION VOLTAGE (V)
10
VCM = VS/2
OUTPUT LOW SATURATION VOLTAGE (V)
INPUT BIAS CURRENT (pA)
1000
Output Saturation Voltage
vs Load Current (Output High)
Output Saturation Voltage
vs Load Current (Output Low)
Input Bias Current vs Temperature
1
10
LOAD CURRENT (mA)
6241 G10
VS = 5V, 0V
TA = 25°C
1
TA = 125°C
TA = –55°C
0.1
0.01
0.1
100
1
10
LOAD CURRENT (mA)
100
6241 G11
Gain Bandwidth and Phase
Margin vs Temperature
30
GAIN BANDWIDTH
0
–55 –35 –15
VS = ±1.5V
30
20
10
–20
VS = ±1.5V
–20
10k
100k
1M
10M
FREQUENCY (Hz)
10k
AV = –2
18 RF = 1k, RG = 500Ω
CONDITIONS: SEE NOTE 12
SLEW RATE (V/μs)
VS = ±5V FALLING
VS = ±2.5V FALLING
VS = ±5V RISING
VS = ±2.5V RISING
GAIN BANDWIDTH
10
0
0
2
4
6
8
10
TOTAL SUPPLY VOLTAGE (V)
100
TA = 25°C
VS = ±2.5V
1
TA = 25°C
VS = ±2.5V
90
100
10
AV = 10
12
Common Mode Rejection Ratio
vs Frequency
AV = 2
AV = 1
0.10
6
4
–55 –35 –15
OUTPUT IMPEDANCE (Ω)
8
20
6241 G15
1k
16
10
30
Output Impedance vs Frequency
20
50
40
6241 G14
Slew Rate vs Temperature
14
–80
100M
60
PHASE MARGIN
–40
–60
6241 G13
12
0
–10
5 25 45 65 85 105 125
TEMPERATURE (°C)
40
20
VS = ±5V
0
VS = ±1.5V
10
60
VS = ±5V
GAIN
40
70
TA = 25°C
CL = 5pF
RL = 1k
COMMON MODE REJECTION (dB)
VS = ±5V
50
GAIN (dB)
30
40
60
PHASE (DEG)
40
VS = ±1.5V
120
CL = 5pF
100
RL = 1k
VCM = VS/2
80
PHASE
70
PHASE MARGIN (DEG)
PHASE MARGIN
80
GAIN BANDWIDTH (MHz)
70
CL = 5pF
RL = 1k 60
50
20
Gain Bandwidth and Phase
Margin vs Supply Voltage
Open Loop Gain vs Frequency
PHASE MARGIN (DEG)
GAIN BANDWIDTH (MHz)
VS = ±5V
6241 G12
80
70
60
50
40
30
20
10
0
5 25 45 65 85 105 125
TEMPERATURE (°C)
6241 G16
0.01
10k
100k
1M
FREQUENCY (Hz)
10M
6241 G17
–10
10k
100k
1M
10M
FREQUENCY (Hz)
100M
6241 G18
624012fe
15
LTC6240/LTC6241/LTC6242
TYPICAL PERFORMANCE CHARACTERISTICS
Power Supply Rejection Ratio
vs Frequency
Channel Separation vs Frequency
90
–20
POWER SUPPLY REJECTION RATIO (dB)
TA = 25°C
VS = ±2.5V
AV = 1
–10
–40
–50
–60
–70
–80
–90
–100
–110
–120
10k
TA = 25°C
VS = ±2.5V
80
70
60
50
POSITIVE SUPPLY
40
30
20
NEGATIVE SUPPLY
1M
10M
FREQUENCY (Hz)
100M
1k
10k
100k
1M
FREQUENCY (Hz)
OUTPUT SHORT-CIRCUIT CURRENT (mA)
CHANGE IN OFFSET VOLTAGE (μV)
60
40
TA = 25°C
0
TA = –55°C
–40
TA = 125°C
–60
–80
–100
0
1
2 3 4 5 6 7 8
TOTAL SUPPLY VOLTAGE (V)
9
40
SINKING
30
100
10
TA = 25°C
0
–10
–20
TA = 125°C
SOURCING
–30
–40
80
RL = 10k
40
20
TA = –55°C
0
2.0 2.5 3.0 3.5 4.0 4.5
POWER SUPPLY VOLTAGE (±V)
0
5.0
80
20
TA = 25°C
VS = ±5V
40
0
0
–40
–20
–60
1
2
3
4
OUTPUT VOLTAGE (V)
5
6241 G25
3.0
VS = ±5V
400
60
20
2.5
Offset Voltage vs Output Current
RL = 10k
RL = 1k
–20
0
1.0
1.5
2.0
OUTPUT VOLTAGE (V)
500
OFFSET VOLTAGE (μV)
INPUT VOLTAGE (μV)
INPUT VOLTAGE (μV)
RL = 1k
0.5
6241 G24
300
40
RL = 100k
60
Open Loop Gain
100
RL = 10k
TA = 25°C
VS = 3V, 0V
6241 G23
TA = 25°C
VS = 5V, 0V
60
100M
10M
Open Loop Gain
TA = 125°C
–50
1.5
10
80
100k
1M
FREQUENCY (Hz)
6241 G21
TA = –55°C
20
Open Loop Gain
100
10k
120
6241 G22
120
4
Output Short-Circuit Current
vs Power Supply Voltage
VCM = VS/2
–20
6
1k
50
20
8
6241 G20
Minimum Supply Voltage
80
10
0
100M
10M
6241 G19
100
CCM
12
2
10
0
100k
VS = ±1.5V
14
INPUT VOLTAGE (μV)
VOLTAGE GAIN (dB)
–30
Input Capacitance vs Frequency
16
INPUT CAPACITANCE (pF)
0
TA = 125°C
200
100
TA = 25°C
0
–100
TA = –55°C
–200
–300
–400
–5 –4 –3 –2 –1 0 1 2 3
OUTPUT VOLTAGE (V)
4
5
6241 G26
–500
–50 –40 –30 –20 –10 0 10 20 30 40 50
OUTPUT CURRENT (mA)
6241 G27
624012fe
16
LTC6240/LTC6241/LTC6242
TYPICAL PERFORMANCE CHARACTERISTICS
Warm-Up Drift vs Time
20
50
NOISE VOLTAGE (nV/√Hz)
VS = ±5V
15
VS = ±2.5V
5
VS = ±1.5V
0
40
30
20
10
0
–5
0
5 10 15 20 25 30 35 40 45 50 55 60
TIME AFTER POWER UP (s)
10
1
10k
100
1k
FREQUENCY (Hz)
100k
TIME (1s/DIV)
6241 G28
Series Output Resistance and
Overshoot vs Capacitive Load
50
OVERSHOOT (%)
NOISE CURRENT (fA/√Hz)
75pF
1k
100
10
Minimum Output Series
Resistance vs Capacitive Load
1000
60
TA = 25°C
VS = ±2.5V
VCM = 0V
1k
–
RS
+
40
CL
30
RS = 10Ω
20
RS = 50Ω
1
10
VS = ±2.5V
AV = –1
0
0.1
100
1k
10k
FREQUENCY (Hz)
10
100k
100
CAPACITIVE LOAD (pF)
CL
30
RS = 10Ω
20
RS = 50Ω
3.0
10
VS = ±2.5V
AV = –2
0
10
100
CAPACITIVE LOAD (pF)
1000
6241 G34
TA = 25°C
VS = ±5V
3.0 A = 1
V
–
2.5
+
VIN
TA = 25°C
VS = ±5V
2.5 AV = –1
VOUT
1k
1mV
1.5
2.0
1k
VOUT
1k
1mV
1.5
1mV
1.0
10mV
0.5
10mV
10mV
–
+
1mV
0.5
1k
VIN
2.0
1.0
10μF
1μF
Settling Time vs Output Step
(Inverting)
SETTLING TIME (μs)
+
40
RS
SETTLING TIME (μs)
–
1k
1
6241 G33
3.5
500Ω
10
Settling Time vs Output Step
(Non-Inverting)
75pF
50
100
6241 G32
Series Output Resistance and
Overshoot vs Capacitive Load
60
VS = ±2.5V