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OK06
6.5MHz, Rail-to-Rail I/O
CMOS Operational Amplifier
FEATURES
DESCRIPTION
HIGH GAIN BANDWIDTH:6.5MHz
RAIL-TO-RAIL INPUT AND OUTPUT
0.8mV Typical Vos
INPUT VOLTAGE RANGE: -0.1V to +5.6V
with Vs = 5.5V
SUPPLY RANGE: +2.5V to +5.5V
SPECIFIED UP TO +125°C
The OK06 offer low voltage operation and rail-to-rail
input and output, as well as excellent speed/power
consumption ratio, providing an excellent bandwidth
(6.5MHz) and slew rate of 3.7V/us. The op-amps are
unity gain stable and feature an ultra-low input bias
current.
The devices are ideal for sensor interfaces, active
filters and portable applications. The OK06
operational amplifier are specified at the full
temperature range of −40°C to +125°C under single
or dual power supplies of 2.5V to 5.5V.
APPLICATIONS
SENSORS
PHOTODIODE AMPLIFICATION
ACTIVE FILTERS
TEST EQUIPMENT
DRIVING A/D CONVERTERS
PIN CONFIGURATIONS
OK06
OUT A
1
-IN A
2
+IN A
3
V-
A
B
4
8
V+
7
OUT B
6
-IN B
5
+IN B
SOIC-8
REV A.2
1
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OK06
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage, V+ to V-...............................................7.0V
(2)
Input Terminals, Voltage …………... – 0.5 to (V+) + 0.5V
(2)
Current …………………....…..... ±10mA
Storage Temperature ……….…………… −65°C to +150°C
Operating Temperature ……….………… −40°C to +125°C
Junction Temperature................................................150°C
Package Thermal Resistance @ TA = +25°C
SOT23-5, SOT23-6………………….………………200°C/W
MSOP-10, SOIC-8 …………………….…………... 150°C/W
SOIC-14, TSSOP-14………….……….……………100°C/W
Lead Temperature (Soldering, 10s) ……………........260°C
ESD Susceptibility
HBM …......................................................................5000V
MM ……………………….........………………...……….400V
ESD SENSITIVITY CAUTION
ESD damage can range from subtle performance
degradation to complete device failure. Precision
integrated circuits may be more susceptible to
damage because very small parametric changes
could cause the device not to meet its published
specifications.
(1) Stresses above these ratings may cause permanent damage. Exposure
to absolute maximum conditions for extended periods may degrade
device reliability. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those
specified is not implied.
(2) Input terminals are diode-clamped to the power-supply rails. Input
signals that can swing more than 0.5V beyond the supply rails should
be current-limited to 10mA or less.
PACKAGE/ORDERING INFORMATION
PRODUCT
ORDERING NUMBER
OK06
OK06XK
TEMPERATURE
PACKAGE
PACKAGE
RANGE
LEAD
MARKING
-40℃~125℃
SOIC-8
OK06
2
PACKAGE OPTION
Tape and Reel,2500
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OK06
ELECTRICAL CHARACTERISTICS
(At TA = +25C, Vs=5V, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.)
PARAMETER
CONDITIONS
OK06
TJ
MIN
POWER SUPPLY
Vs Operating Voltage Range
IQ Quiescent Current/Amplifier
PSRR Power-Supply Rejection Ratio
25°C
25°C
25°C
–40°C to 125°C
Vs= 2.5V to
5.5V
INPUT
Vos Input Offset Voltage
25°C
Vos TC Input Offset Voltage Average Drift-40°C to 125°C
Input Bias Current
IB
25°C
Ios Input Offset Current
25°C
Vcm Common-Mode Voltage Range Vs=5.5V
25°C
Vs = 5.5V, Vcm
25°C
=-0.1V to 4V
–40°C to 125°C
CMRR Common-Mode Rejection Ratio
Vs = 5.5V, Vcm
25°C
= -0.1V to 5.6V –40°C to 125°C
OUTPUT
RL =2KΩ, Vo =
25°C
0.15V to 4.85V –40°C to 125°C
AOL Open-Loop Voltage Gain
RL = 10kΩ, Vo =
25°C
0.05V to 4.95V –40°C to 125°C
RL = 2KΩ
25°C
Output Swing From Rail
RL = 10kΩ
25°C
Iout Output Short-Circuit Current
25°C
FREQUENCY RESPONSE
SR Slew Rate
25°C
GBP Gain-Bandwidth Product
25°C
Phase
Margin
Φm
25°C
ts Settling Time, 0.1%
VIN • Gain ≥ Vs
Overload Recovery Time
NOISE
f = 1 kHz
25°C
en Input-Referred Voltage Noise
f = 10 kHz
25°C
3
TYP
2.5
75
72
590
94
0.8
2
1
1
-0.1
74
68
62
60
95
83
98
85
MAX
UNIT
5.5
820
V
uA
dB
3
10
10
5.6
mV
uV/°C
pA
pA
V
92
83
dB
100
106
40
7
50
dB
mV
mA
3.7
6.5
63
0.5
0.5
V/us
MHz
°
us
us
12
8
nV/√Hz
nV/√Hz
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OK06
TYPICAL CHARACTERISTICS
At TA = +25C, Vs=5V, RL = 10kΩconnected to VS/2, VOUT = VS/2, unless otherwise noted.
COMMON−MODE REJECTION RATIO vs
FREQUENCY
OPEN−LOOP GAIN AND PHASE vs FREQUENCY
Phase
100
120
80
100
60
80
40
60
20
40
0
20
-20
10
1K
100K
120
140
100
CMRR(dB)
120
Open-Loop Gain(dB)
160
Gain
Phase Margin (°)
140
80
60
40
0
10M
20
1
10
Frequency(Hz)
INPUT VOLTAGE NOISE
SPECTRAL DENSITY vs FREQUENCY
Voltage Noise (nV/√Hz)
1000
10K
100
PSRR(dB)
100
10
80
60
40
20
1
10
100
1K
10K
1
100K
10
100
1K
10K
Frequency(KHz) Vs=5V
Frequency(Hz)
QUIESCENT CURRENT vs TEMPERATURE
QUIESCENT CURRENT vs TEMPERATURE
0.8
0.8
Quiescent Current(mA)
Quiescent Current(mA)
1K
POWER−SUPPLY REJECTION RATIO vs
FREQUENCY
120
|
|
100
Frequency(KHz) Vs=5V
0.7
0.6
0.5
0.7
0.6
0.5
0.4
0.4
-40 -20
0
-40 -20
20 40 60 80 100 120 140
0
20 40 60 80 100 120 140
Temperature(℃) Vs=5V
Temperature(℃) Vs=2.7V
4
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OK06
TYPICAL CHARACTERISTICS
At TA = +25C, Vs=5V, RL = 10kΩconnected to VS/2, VOUT = VS/2, unless otherwise noted.
SOURCE CURRENT vs TEMPERATURE
60
58
56
54
52
50
48
46
44
42
40
Source Current(mA)
Sink Current(mA)
SINK CURRENT vs TEMPERATURE
-40 -20
0
70
68
66
64
62
60
58
56
54
52
50
48
46
44
42
40
20 40 60 80 100 120 140
-40 -20
0
Temperature(℃)
INPUT BIAS CURRENT vs TEMPERATURE
20 40 60 80 100 120 140
Temperature(℃)
SMALL−SIGNAL STEP RESPONSE
10K
50mV/div
100
10
1
0.1
-40 -20
0
20
40
60
200ns/div
80 100 120 140
Temperature(℃)
POSITIVE OVERLOAD RECOVERY
CL=100PF
200mV/div
LARGE−SIGNAL STEP RESPONSE
0V
VIN
1V/div
VOUT
0V
400ns/div
VS=±2.5V
G=-100
1V/div
Input Bias Current(pA)
CL=100PF
1K
500ns/div
5
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OK06
TYPICAL CHARACTERISTICS
At TA = +25C, Vs=5V, RL = 10kΩconnected to VS/2, VOUT = VS/2, unless otherwise noted.
NEGATIVE OVERLOAD RECOVERY
VIN
0V
1V/div
0V
Percentage of Amplifiers (%)
200mV/div
25
VS=±2.5V
G=-100
VOUT
20
OFFSET VOLTAGE PRODUCTION
DISTRIBUTION
12300 Samples
1 Production Lot
VS = ±2.5V
15
10
5
0
500ns/div
-4
-3
-2
-1
0
1
2
3
Offset Voltage (mV)
6
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OK06
APPLICATION NOTES
The OK06 is high precision, rail-to-rail operational
amplifiers that can be run from a single-supply
voltage 2.5V to 5.5V (±1.25V to ±2.75V). Supply
voltages higher than 7V (absolute maximum) can
permanently damage the amplifier.
INSTRUMENTATION AMPLIFIER
In the three-op amp, instrumentation amplifier
configuration shown in Figure2,
Rail-to-rail input and output swing significantly
increases dynamic range, especially in low-supply
applications.
V1
OK06
Good layout practice mandates use of a 0.1uF
capacitor place closely across the supply pins.
OK06
VOUT
LAYOUT GUIDELINS
OK06
V2
Attention to good layout practices is always
recommended. Keep traces short. When possible,
use a PCB ground plane with surface-mount
components placed as close to the device pins as
possible. Place a 0.1uF capacitor closely across the
supply pins.
These guidelines should be applied throughout the
analog circuit to improve performance and provide
benefits such as reducing the EMI susceptibility.
Figure2. Amplifier instrumentation amplifier
+Vs
10uF
0.1uF
Vin
Vip
Vout
OK06
10uF
0.1uF
-Vs
Figure1. Amplifier with Bypass Capacitors
7
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OK06
PACKAGE OUTLINE DIMENSIONS
SOIC-8
b
e
5.2
E
E1
2.2
D
1.27
0.6
RECOMMENDED LAND PATTERN (Unit: mm)
A2
c
A
A1
L
Symbol
Dimensions In Millimeters
θ
Dimensions In Inches
Min
Max
Min
Max
A
1.350
1.750
0.053
0.069
A1
0.100
0.250
0.004
0.010
A2
1.350
1.550
0.053
0.061
b
0.330
0.510
0.013
0.020
c
0.170
0.250
0.007
0.010
D
4.800
5.000
0.189
0.197
e
1.270(BSC)
0.050(BSC)
E
5.800
6.200
0.228
0.244
E1
3.800
4.000
0.150
0.157
L
0.400
1.270
0.016
0.050
θ
0°
8°
0°
8°
8
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