SPECIFICATIONS
At TA = +25°C, VS = ±15V, RL = 10kΩ, unless otherwise noted.
INA128P, U
INA129P, U
INA128PA, UA
INA129PA, UA
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
INPUT
Offset Voltage, RTI
Initial
TA = +25°C
TA = TMIN to TMAX
VS = ±2.25V to ±18V
±10 ±100/G ±50 ±500/G
±25 ±100/G ±125 ±1000/G
µV
µV/°C
µV/V
µV/mo
Ω || pF
Ω || pF
V
vs Temperature
vs Power Supply
Long-Term Stability
Impedance, Differential
Common-Mode
±0.2 ± 2/G
±0.2 ±20/G
±0.1 ±3/G
1010 || 2
±0.5 ± 20/G
±1 ±100/G
±0.2 ± 5/G
±1 ± 20/G
✻
✻
✻
✻
✻
✻
±2 ±200/G
1011 || 9
Common-Mode Voltage Range(1)
VO = 0V
(V+) – 2
(V–) + 2
(V+) – 1.4
(V–) + 1.7
✻
✻
V
Safe Input Voltage
±40
✻
V
Common-Mode Rejection
VCM = ±13V, ∆RS = 1kΩ
G=1
G=10
G=100
G=1000
80
86
73
93
110
110
✻
✻
✻
✻
dB
dB
dB
dB
100
120
120
106
125
130
BIAS CURRENT
vs Temperature
Offset Current
±2
±30
±1
±5
±5
✻
✻
✻
✻
±10
±10
nA
pA/°C
nA
vs Temperature
±30
pA/°C
NOISE VOLTAGE, RTI
f = 10Hz
f = 100Hz
G = 1000, RS = 0Ω
10
8
8
✻
✻
✻
✻
nV/√Hz
nV/√Hz
nV/√Hz
µVp-p
f = 1kHz
fB = 0.1Hz to 10Hz
Noise Current
f=10Hz
f=1kHz
fB = 0.1Hz to 10Hz
0.2
0.9
0.3
30
✻
✻
✻
pA/√Hz
pA/√Hz
pAp-p
GAIN
Gain Equation, INA128
INA129
1 + (50kΩ/RG)
1 + (49.4kΩ/RG)
✻
✻
V/V
V/V
Range of Gain
Gain Error
1
10000
±0.024
±0.4
±0.5
±1
±10
±100
±0.001
±0.002
±0.002
(Note 4)
✻
✻
±0.1
±0.5
±0.7
±2
✻
✻
±0.002
±0.004
±0.004
✻
V/V
%
%
%
G=1
G=10
G=100
G=1000
G=1
±0.01
±0.02
±0.05
±0.5
±1
±25
±0.0001
±0.0003
±0.0005
±0.001
✻
✻
✻
✻
✻
✻
✻
✻
✻
✻
%
Gain vs Temperature(2)
50kΩ (or 49.4kΩ) Resistance(2, 3)
Nonlinearity
ppm/°C
ppm/°C
% of FSR
% of FSR
% of FSR
% of FSR
VO = ±13.6V, G=1
G=10
G=100
G=1000
OUTPUT
Voltage: Positive
Negative
Load Capacitance Stability
RL = 10kΩ
RL = 10kΩ
(V+) – 1.4
(V–) + 1.4
(V+) – 0.9
(V–) + 0.8
1000
✻
✻
✻
✻
✻
✻
V
V
pF
Short-Circuit Current
+6/–15
mA
FREQUENCY RESPONSE
Bandwidth, –3dB
G=1
G=10
G=100
1.3
700
200
20
4
7
7
9
80
✻
✻
✻
✻
✻
✻
✻
✻
✻
✻
MHz
kHz
kHz
kHz
V/µs
µs
µs
µs
µs
µs
G=1000
VO = ±10V, G=10
G=1
G=10
G=100
G=1000
50% Overdrive
Slew Rate
Settling Time, 0.01%
Overload Recovery
4
POWER SUPPLY
Voltage Range
Current, Total
±2.25
±15
±700
±18
±750
✻
✻
✻
✻
✻
V
µA
VIN = 0V
TEMPERATURE RANGE
Specification
Operating
–40
–40
85
125
✻
✻
✻
✻
°C
°C
θJA
8-Pin Dip
SO-8 SOIC
80
150
✻
✻
°C/W
°C/W
✻ Specification same as INA128P, U or INA129P, U.
NOTE: (1) Input common-mode range varies with output voltage—see typical curves. (2) Guaranteed by wafer test. (3) Temperature coefficient of the 50kΩ (or 49.4kΩ)
term in the gain equation. (4) Nonlinearity measurements in G = 1000 are dominated by noise. Typical nonlinearity is ±0.001%.
BB [ BURR-BROWN CORPORATION ]
