Datasheet

®
INA111
2
SPECIFICATIONS
ELECTRICAL
At T
A
= +25°C, V
S
= ±15V, R
L
= 2kΩ, unless otherwise noted.
✻ Specification same as INA111BP.
NOTE: (1) Temperature coefficient of the “50kΩ” term in the gain equation.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
INA111BP, BU INA111AP, AU
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
INPUT
Offset Voltage, RTI
Initial T
A
= +25°C ±100 ± 500/G ±500 ± 2000/G ±200 ± 500/G ±1000 ± 5000/G µV
vs Temperature T
A
= T
MIN
to T
MAX
±2 ± 10/G ±5 ± 100/G ±2 ± 20/G ±10 ± 100/G µV/°C
vs Power Supply V
S
= ±6V to ±18V 2 +10/G 30 + 100/G ✻✻µV/V
Impedance, Differential 10
12
|| 6 ✻ Ω || pF
Common-Mode 10
12
|| 3 ✻ Ω || pF
Input Common-Mode Range V
DIFF
= 0V ±10 ±12 ✻✻ V
Common-Mode Rejection V
CM
= ±10V, ∆R
S
= 1kΩ
G = 1 80 90 75 ✻ dB
G = 10 96 110 90 ✻ dB
G = 100 106 115 100 ✻ dB
G = 1000 106 115 100 ✻ dB
BIAS CURRENT ±2 ±20 ✻✻pA
OFFSET CURRENT ±0.1 ±10 ✻✻pA
NOISE VOLTAGE, RTI G = 1000, R
S
= 0Ω
f = 100Hz 13 ✻ nV/√Hz
f = 1kHz 10 ✻ nV/√Hz
f = 10kHz 10 ✻ nV/√Hz
f
B
= 0.1Hz to 10Hz 1 ✻ µVp-p
Noise Current
f = 10kHz 0.8 ✻ fA/√Hz
GAIN
Gain Equation 1 + (50kΩ/R
G
) ✻ V/V
Range of Gain 1 10000 ✻✻V/V
Gain Error G = 1, R
L
= 10kΩ±0.01 ±0.02 ✻ 0.05 %
G = 10, R
L
= 10kΩ±0.1 ±0.5 ✻✻%
G = 100, R
L
= 10kΩ±0.15 ±0.5 ✻ ±0.7 %
G = 1000, R
L
= 10kΩ±0.25 ±1 ✻ ±2%
Gain vs Temperature G = 1 ±1 ±10 ✻✻ppm/°C
50kΩ Resistance
(1)
±25 ±100 ✻✻ppm/°C
Nonlinearity G = 1 ±0.0005 ±0.005 ✻✻% of FSR
G = 10 ±0.001 ±0.005 ✻ ±0.01 % of FSR
G = 100 ±0.001 ±0.005 ✻ ±0.01 % of FSR
G = 1000 ±0.005 ±0.02 ✻ ±0.04 % of FSR
OUTPUT
Voltage I
O
= 5mA, T
MIN
to T
MAX
±11 ±12.7 ✻✻ V
Load Capacitance Stability 1000 ✻ pF
Short Circuit Current +30/–25 ✻ mA
FREQUENCY RESPONSE
Bandwidth, –3dB G = 1 2 ✻ MHz
G = 10 2 ✻ MHz
G = 100 450 ✻ kHz
G = 1000 50 ✻ kHz
Slew Rate V
O
= ±10V, G = 2 to 100 17 ✻ V/µs
Settling Time, 0.01% G = 1 2 ✻ µs
G = 10 2 ✻ µs
G = 100 4 ✻ µs
G = 1000 30 ✻ µs
Overload Recovery 50% Overdrive 1 ✻ µs
POWER SUPPLY
Voltage Range ±6 ±15 ±18 ✻✻ ✻ V
Current V
IN
= 0V ±3.3 ±4.5 ✻✻mA
TEMPERATURE RANGE
Specification –40 85 ✻✻°C
Operating –40 125 ✻✻°C
θ
JA
100 ✻ °C/W