TS94x, TS94xA, TS94xB
Output rail-to-rail micropower operational amplifiers
Features
■
Rail-to-rail output voltage swing
■
Micropower consumption (1.2 µA)
■
Single supply operation (2.5 V to 10 V)
■
CMOS inputs
■
Ultra low input bias current (1 pA)
■
ESD protection (2 kV)
■
Latch-up immunity (class A)
■
Available in SOT23-5 micropackage
TS941ILT
Output
1
VDD
2
Non-inverting input
V CC
4
Inverting input
TS941ID-TS941IDT
N.C.
Non-inverting Input 1
8 N.C.
1
Inverting Input 1 2
Applications
3
-
7 VCC
+
6 Output 2
5 N.C.
V DD 4
■
Battery-powered systems (alarm)
■
Portable communication systems (pagers)
■
Smoke/gas/fire detectors
■
Instrumentation and sensoring
■
PH meter
TS942ID-TS942IDT-TS942IPT
8 VCC
Output 1
1
Inverting Input 1
2
-
Non-inverting Input 1
3
+
VDD
Description
4
7 Output 2
-
6 Inverting Input 2
+
5 Non-inverting Input 2
TS944ID-TS944IDT-TS944IPT
The TS94x (single, dual and quad) series are
operational amplifiers characterized for 2.5 V to
10 V operation over a -40° C to +85° C
temperature range.
They exhibit excellent consumption -1.2 µA, while
featuring 10 kHz gain bandwidth product, 1.5 mA
output capability and output rail-to-rail operation
- 2.85 V typical at 3 V with RL=10 kΩ.
The TS94x op-amps are ideal for battery-powered
systems, where very low supply current and
output rail-to-rail are required. Their very low
- 1 pA typical input bias current and constant
supply current over supply voltage enhance the
devices’ performance near the end of the battery
charge or battery life.
October 2009
3
5
14 Output 4
Output 1 1
Inverting Input 1 2
-
-
13 Inverting Input 4
Non-inverting Input 1 3
+
+
12 Non-inverting Input 4
11 VDD
VCC 4
Non-inverting Input 2 5
+
+
10 Non-inverting Input 3
Inverting Input 2 6
-
-
9
Inverting Input 3
8
Output 3
Output 2 7
Table 1.
Reference
Device summary
Selection on offset voltage
TS94x
TS941, TS942, TS944
TS94xA
TS941A, TS942A, TS944A
TS94xB
TS941B, TS942B, TS944B
Doc ID 6972 Rev 6
1/18
www.st.com
18
Absolute maximum ratings and operating conditions
1
TS94x, TS94xA, TS94xB
Absolute maximum ratings and operating conditions
Table 2.
Absolute maximum ratings
Symbol
VCC
Vid
Parameter
Unit
12
V
± VCC
V
VDD-0.3 to VCC+0.3
V
-65 to +150
°C
150
°C
Supply voltage (1)
Differential input voltage
(2)
(3)
Vin
Input voltage range
Tstg
Storage temperature range
Tj
Value
Maximum junction temperature
(4)
Rthja
Thermal resistance junction to ambient
SOT23-5
SO-8
SO-14
TSSOP8
TSSOP14
Rthjc
Thermal resistance junction to case (4)
SOT23-5
SO-8
SO-14
TSSOP8
TSSOP14
81
40
31
37
32
HBM: human body model (5)
2
kV
200
V
CDM: charged device model (7)
TS941 - TS944IDT
TS942 - TS944IPT
1.5
1
kV
Latch-up immunity
200
mA
Lead temperature (soldering, 10sec)
250
°C
MM: machine model
ESD
(6)
(TS941, TS942)
250
125
103
120
100
°C/W
°C/W
1. All voltage values, except differential voltage are with respect to network terminal.
2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal.
3. The magnitude of input and output voltages must never exceed VCC +0.3 V.
4. Short-circuits can cause excessive heating and destructive dissipation. Rth are typical values.
5. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a
1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations
while the other pins are floating.
6. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between
two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of
connected pin combinations while the other pins are floating.
7. Charged device model: all pins and the package are charged together to the specified voltage and then
discharged directly to the ground through only one pin. This is done for all pins.
2/18
Doc ID 6972 Rev 6
TS94x, TS94xA, TS94xB
Table 3.
Absolute maximum ratings and operating conditions
Operating conditions
Symbol
Parameter
VCC
Supply voltage
Vicm
Common mode input voltage range
Toper
Operating free air temperature range
Doc ID 6972 Rev 6
Value
Unit
2.5 to 10
V
VDD -0.2 to VCC -1.3
V
-40 to + 85
°C
3/18
Electrical characteristics
2
TS94x, TS94xA, TS94xB
Electrical characteristics
Table 4.
VCC = +2.5 V, VDD = 0 V, RL connected to VCC/2, Tamb = 25° C
(unless otherwise specified)
Symbol
Parameter
Vio
Input offset voltage
TS941/2/4
TS941/2/4A
TS941/2/4B
ΔVio
Input offset voltage drift
Iio
Iib
Input offset current
Input bias current
Typ.
Max.
Unit
10
5
2
mV
7
(1)
(1)
µV/°C
1
100
pA
1
150
pA
CMR
Common mode rejection ratio
60
85
dB
SVR
Supply voltage rejection ratio
50
78
dB
Avd
Large signal voltage gain
VO = 2 Vpp, RL = 1 MΩ
100
dB
VOH
High level output voltage
VID = 100 mV, RL = 1 MΩ
RL = 10 kΩ
2.49
2.4
V
VOL
Low level output voltage
VID = -100 mV, RL = 1 MΩ
RL = 10 kΩ
Io
Output source current
VID = 100 mV, VO = VDD
Output sink current
VID = -100 mV, VO = VCC
2.45
2.3
1
100
350
650
280
500
5
200
mV
µA
ICC
Supply current (per amplifier), AVCL = 1, no load
1.2
GBP
Gain bandwidth product, RL = 1 MΩ, CL = 50 pF
10
kHz
4.5
V/ms
65
Degrees
SR
Slew rate, RL = 1 MΩ, CL = 50 pF
φm
Phase margin, CL = 50 pF
1. Maximum values include unavoidable inaccuracies of the industrial tests.
4/18
Min.
Doc ID 6972 Rev 6
3
1.8
µA
TS94x, TS94xA, TS94xB
Table 5.
Electrical characteristics
VCC = +3 V, VDD = 0 V, RL connected to VCC/2,Tamb = 25° C
(unless otherwise specified) (1)
Symbol
Parameter
Vio
Input offset voltage
TS941/2/4
TS941/2/4A
TS941/2/4B
ΔVio
Input offset voltage drift
Iio
Iib
Input offset current
Input bias current
Min.
Typ.
Max.
Unit
10
5
2
mV
7
(2)
(2)
µV/°C
1
100
pA
1
150
pA
CMR
Common mode rejection ratio
60
85
dB
SVR
Supply voltage rejection ratio
50
85
dB
Avd
Large signal voltage gain
VO = 2 Vpp,RL = 1 MΩ
100
dB
VOH
High level output voltage
VID = 100 mV, RL = 1 MΩ
RL = 10 kΩ
2.99
2.85
V
VOL
Low level output voltage
VID = -100 mV, RL = 1 MΩ
RL = 10 kΩ
Io
Output source current
VID = 100 mV, VO = VDD
Output sink current
VID = -100 mV, VO = VCC
2.9
2.8
1
100
680
1500
650
1300
5
200
mV
µA
ICC
Supply current (per amplifier), AVCL = 1, no load
1.2
GBP
Gain bandwidth product, RL = 1 MΩ, CL = 50 pF
10
kHz
4.5
V/ms
65
Degrees
SR
Slew rate, RL = 1 MΩ, CL = 50 pF
φm
Phase margin, CL = 50 pF
3
1.8
µA
1. All electrical values are guaranteed with correlation measurements at 2.5 V and 5 V.
2. Maximum values include unavoidable inaccuracies of the industrial tests.
Doc ID 6972 Rev 6
5/18
Electrical characteristics
Table 6.
TS94x, TS94xA, TS94xB
VCC = +5 V, VDD = 0 V, RL connected to VCC/2, Tamb = 25° C
(unless otherwise specified)
Symbol
Parameter
Vio
Input offset voltage
TS941/2/4
TS941/2/4A
TS941/2/4B
ΔVio
Input offset voltage drift
Iio
Iib
Input offset current
Input bias current
Typ.
Max.
Unit
10
5
2
mV
7
(1)
(1)
µV/°C
1
100
pA
1
150
pA
CMR
Common mode rejection ratio
60
85
dB
SVR
Supply voltage rejection ratio
50
85
dB
Avd
Large signal voltage gain
VO = 2 Vpp, RL = 1 MΩ
100
dB
VOH
High level output voltage
VID = 100 mV, RL = 1 MΩ
RL = 10 kΩ
4.99
4.85
V
VOL
Low level output voltage
VID = -100 mV, RL = 1 MΩ
RL = 10 kΩ
Io
Output source current
VID = 100 mV, VO = VDD
Output sink current
VID = -100 mV, VO = VCC
4.9
4.8
1
100
3
4.5
3.7
5
5
150
mV
mA
ICC
Supply current (per amplifier), AVCL = 1, no load
1.2
GBP
Gain bandwidth product, RL = 1 MΩ, CL = 50 pF
10
kHz
4.5
V/ms
65
Degrees
SR
Slew rate, RL = 1 MΩ, CL = 50 pF
φm
Phase margin, CL = 50 pF
1. Maximum values include unavoidable inaccuracies of the industrial tests.
6/18
Min.
Doc ID 6972 Rev 6
3
1.85
µA
TS94x, TS94xA, TS94xB
Figure 1.
Electrical characteristics
Supply current per amplifier vs.
supply voltage in overdrive
Figure 2.
Supply current per amplifier vs.
supply voltage
in Overdrive
2.0
1.5
Tamb = 25°C
1.0
Supply Current (µA)
Supply Current (µA)
Tamb = 25°C
Vid = - 100mV
Vid = + 100mV
0.5
1.5
1.0
0.5
0.0
0.0
0
2
4
6
8
0
10
2
Supply Voltage (V)
Figure 3.
Figure 4.
4
Isink, Vcc=3V
2
0
Isource,Vcc=3V
-2
10
Supply current per amplifier vs.
temperature
Isource, Vcc=5V
1.25
Vcc from 2.5V to 10V
1.20
1.15
-4
-6
1.10
-40
-40
-20
0
20
40
60
-20
80
Figure 5.
Output short-circuit current vs.
supply voltage
Figure 6.
Supply Voltage
Output Short-Circuit Current (mA)
Tamb = 25°C
20
Sink
10
0
-10
Source
-20
-30
4
6
8
20
40
60
80
Output short-circuit current vs.
output voltage
Output Voltage
8.0
30
2
0
Temperature (°C)
Temperature (°C)
Output Short-Circuit Current (mA)
8
1.30
Isink, Vcc=5V
6
Supply Current (µA)
Output Short-circuit Current (mA)
p
Output short-circuit current vs.
temperature
p
4
6
Supply Voltage (V)
10
Sink
6.0
T = -40°C
T = +25°C
4.0
T = +85°C
2.0
Vcc = 5V
0.0
-2.0
T = +85°C
-4.0
T = +25°C
-6.0
T = -40°C
-8.0
0
Supply Voltage (V)
Doc ID 6972 Rev 6
1
Source
2
3
Output Voltage (V)
4
5
7/18
Electrical characteristics
Figure 7.
TS94x, TS94xA, TS94xB
Output short-circuit current vs.
output voltage
Figure 8.
Sink
1,000
1.0
0.5
High Level Output Voltage vs Supply Voltage
T = +85°C
0.0
Vcc = 2.6V
2.5
-0.5
T = +85°C
-1.0
T = +25°C
Source
-1.5
T = -40°C
0
Figure 9.
1
RL=100k ohm
10
RL=1M ohm
Output short-circuit current vs.
output voltage
Voltage referenced to Vcc (mV)
0.0
Vcc = 3V
T = +85°C
T = +25°C
Source
T = -40°C
8
10
Low Level Output Voltage vs Supply Voltage
T = +85°C
-2.0
6
Supply Voltage (V)
1,000
Sink
1.0
-1.0
4
Figure 10. Low level output voltage vs. supply
voltage
g
T = -40°C
T = +25°C
2
-3.0
RL=10k ohm
100
RL tied to Vcc
Single Supply
Vid = -100mV
RL=100 ohm
10
RL=1M ohm
1
1
2
Output Voltage (V)
3
Figure 11. Output short-circuit current vs.
output voltage
p
2
4
6
Supply Voltage (V)
q
g
70
T = -40°C
20.0
T = +25°C
60
T = +85°C
Gain (dB)
10.0
Vcc = 10V
0.0
T = +85°C
-10.0
50
140
40
120
30
10
-30.0
2
160
phase
100
80
gain
60
Source
T = -40°C
0
y
180
RL = 1M ohm
CL = 50 pF
Vcc = 3V & 5V
20
T = +25°C
-20.0
10
Figure 12. Gain and phase vs. frequency
30.0
Sink
8
4
6
Output Voltage (V)
8
10
0
100
Doc ID 6972 Rev 6
1,000
10,000
Frequency (Hz)
40
100,000
Phase (°)
0
Output Short-Circuit Current (mA)
RL tied to Vdd
Single Supply
Vid = +100mV
100
3
2
Output Voltage (V)
p
2.0
8/18
RL=10k ohm
1
-2.0
Output Short-Circuit Current (mA)
Voltage referenced to Vdd (mV)
TT==+25°C
+25°C
Voltage Referenced to Vcc (mV)
Output Short-Circuit Current (mA)
T = -40°C
High level output voltage vs. supply
voltage
TS94x, TS94xA, TS94xB
Electrical characteristics
g
Figure 14. Gain and phase versus frequency
q
p
Vcc = +-2.5V
Gain = -1
RL = 1M ohm
CL = 50 pF
200
180
RL = 1M ohm
CL = 100 pF
Vcc = 3V & 5V
60
100
160
50
140
40
120
30
100
phase
20
0
80
gain
10
-100
0.0
y
70
Gain (dB)
Output Voltage (mV)
300
0.5
1.0
1.5
0
100
2.0
Phase (°)
Figure 13. Small signal transient response
60
40
1,000
Time (ms)
10,000
Frequency (Hz)
100,000
Figure 15. Slew rate positive and negative vs. Figure 16. Large signal transient response
temperature
p
a ge S g a
4.8
Slew rate negative
espo se
2.0
4.4
4.2
Slew rate positive
4.0
Gain = +1
RL = 1M ohm
CL = 100pf
Vcc = 5V
3.8
3.6
-40
0
40
Temperature (°C)
80
120
Output Voltage (V)
Slew Rate (V/ms)
4.6
3.4
-80
a se
2.5
1.5
1.0
Vcc = +-2.5V
Gain = -1
RL = 1M ohm
CL = 50 pF
0.5
0.0
-0.5
-1.0
0.0
Doc ID 6972 Rev 6
1.0
2.0
3.0
Time (ms)
4.0
5.0
9/18
Package information
3
TS94x, TS94xA, TS94xB
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
10/18
Doc ID 6972 Rev 6
TS94x, TS94xA, TS94xB
3.1
Package information
SOT23-5 package information
Figure 17. SOT23-5 package mechanical drawing
Table 7.
SOT23-5 package mechanical data
Dimensions
Ref.
A
Millimeters
Inches
Min.
Typ.
Max.
Min.
Typ.
Max.
0.90
1.20
1.45
0.035
0.047
0.057
A1
0.15
0.006
A2
0.90
1.05
1.30
0.035
0.041
0.051
B
0.35
0.40
0.50
0.013
0.015
0.019
C
0.09
0.15
0.20
0.003
0.006
0.008
D
2.80
2.90
3.00
0.110
0.114
0.118
D1
1.90
0.075
e
0.95
0.037
E
2.60
2.80
3.00
0.102
0.110
0.118
F
1.50
1.60
1.75
0.059
0.063
0.069
L
0.10
0.35
0.60
0.004
0.013
0.023
K
0 degrees
10 degrees
Doc ID 6972 Rev 6
11/18
Package information
3.2
TS94x, TS94xA, TS94xB
SO-8 package information
Figure 18. SO-8 package mechanical drawing
Table 8.
SO-8 package mechanical data
Dimensions
Ref.
Millimeters
Min.
Typ.
A
Max.
Min.
Typ.
1.75
0.25
Max.
0.069
A1
0.10
A2
1.25
b
0.28
0.48
0.011
0.019
c
0.17
0.23
0.007
0.010
D
4.80
4.90
5.00
0.189
0.193
0.197
E
5.80
6.00
6.20
0.228
0.236
0.244
E1
3.80
3.90
4.00
0.150
0.154
0.157
e
0.004
0.010
0.049
1.27
0.050
h
0.25
0.50
0.010
0.020
L
0.40
1.27
0.016
0.050
L1
k
ccc
12/18
Inches
1.04
0
0.040
8°
0.10
Doc ID 6972 Rev 6
1°
8°
0.004
TS94x, TS94xA, TS94xB
3.3
Package information
TSSOP8 package information
Figure 19. TSSOP8 package mechanical drawing
Table 9.
TSSOP8 package mechanical data
Dimensions
Ref.
Millimeters
Min.
Typ.
A
Inches
Max.
Min.
Typ.
1.20
A1
0.05
A2
0.80
b
Max.
0.047
0.15
0.002
1.05
0.031
0.19
0.30
0.007
0.012
c
0.09
0.20
0.004
0.008
D
2.90
3.00
3.10
0.114
0.118
0.122
E
6.20
6.40
6.60
0.244
0.252
0.260
E1
4.30
4.40
4.50
0.169
0.173
0.177
e
0.65
k
0°
L
0.45
L1
aaa
1.00
0.60
0.006
0.039
0.041
0.0256
8°
0°
0.75
0.018
1
8°
0.024
0.030
0.039
0.10
Doc ID 6972 Rev 6
0.004
13/18
Package information
3.4
TS94x, TS94xA, TS94xB
SO-14 package information
Figure 20. SO-14 package mechanical drawing
Table 10.
SO-14 package mechanical data
Dimensions
Millimeters
Inches
Ref.
Min.
Typ.
Max.
Min.
Max.
A
1.35
1.75
0.05
0.068
A1
0.10
0.25
0.004
0.009
A2
1.10
1.65
0.04
0.06
B
0.33
0.51
0.01
0.02
C
0.19
0.25
0.007
0.009
D
8.55
8.75
0.33
0.34
E
3.80
4.0
0.15
0.15
e
1.27
0.05
H
5.80
6.20
0.22
0.24
h
0.25
0.50
0.009
0.02
L
0.40
1.27
0.015
0.05
k
ddd
14/18
Typ.
8° (max.)
0.10
Doc ID 6972 Rev 6
0.004
TS94x, TS94xA, TS94xB
3.5
Package information
TSSOP14 package information
Figure 21. TSSOP14 package mechanical drawing
Table 11.
TSSOP14 package mechanical data
Dimensions
Ref.
Millimeters
Min.
Typ.
A
Inches
Max.
Min.
Typ.
1.20
A1
0.05
A2
0.80
b
Max.
0.047
0.15
0.002
0.004
0.006
1.05
0.031
0.039
0.041
0.19
0.30
0.007
0.012
c
0.09
0.20
0.004
0.0089
D
4.90
5.00
5.10
0.193
0.197
0.201
E
6.20
6.40
6.60
0.244
0.252
0.260
E1
4.30
4.40
4.50
0.169
0.173
0.176
e
L
0.65
0.45
L1
k
aaa
1.00
0.60
0.0256
0.75
0.018
1.00
0°
0.024
0.030
0.039
8°
0.10
Doc ID 6972 Rev 6
0°
8°
0.004
15/18
Ordering information
4
TS94x, TS94xA, TS94xB
Ordering information
Table 12.
Order codes
Order code
Temperature
range
Package
Packaging
TS941ID
TS941IDT
TS941ID
TS941IDT
TS941AID
TS941AIDT
SO-8
Tube or
Tape & reel
TS941BID
TS941BIDT
TS941AID
TS941BID
TS941ILT
K201
TS941AILT
SOT23-5L
Tape & reel
K202
TS941BILT
K203
TS942ID
TS942IDT
TS942ID
TS942IDT
TS942AID
TS942AIDT
TS942BID
TS942BIDT
SO-8
Tube or
Tape & reel
-40°C to +85°C
TS942AIPT
TS942
TSSOP8
Tape & reel
TS942BIPT
942AI
942BI
TS944ID
TS944IDT
TS944ID
TS944IDT
TS944AID
TS944AIDT
SO-14
Tube or
Tape & reel
TS944BID
TS944BIDT
TS944AID
TS944AIDT
TS944BID
TS944BIDT
TS944IPT
TS944AIPT
TS942AID
TS942BID
TS942IPT
TS944IPT
TSSOP14
TS944BIPT
16/18
Marking
Tape & reel
TS944AI
TS944BI
Doc ID 6972 Rev 6
TS94x, TS94xA, TS94xB
5
Revision history
Revision history
Table 13.
Document revision history
Date
Revision
Changes
01-Dec-2001
1
Initial release.
01-Dec-2004
2
Modifications on AMR table (explanation of Vid and Vin limits).
13-Mar-2008
3
CDM values added for TS944 in SO and TSSOP packages.
Document reformatted.
09-Apr-2008
4
Corrected error in power consumption on cover page (1.2µA, not
1.2mA).
05-Mar-2009
5
Removed DIP package information and order codes in Chapter 3
and Chapter 4.
Updated all other package mechanical drawings and data in
Chapter 3.
06-Oct-2009
6
Added root part numbers (TS94xA, TS94xB) and
Table 1: Device summary on cover page.
Doc ID 6972 Rev 6
17/18
TS94x, TS94xA, TS94xB
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