Datasheet

®
INA114
2
SPECIFICATIONS
ELECTRICAL
At T
A
= +25°C, V
S
= ±15V, R
L
= 2kΩ, unless otherwise noted.
✻ Specification same as INA114BP/BU.
NOTE: (1) Temperature coefficient of the “50kΩ” term in the gain equation.
INA114BP, BU INA114AP, AU
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
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.
INPUT
Offset Voltage, RTI
Initial T
A
= +25°C ±10 + 20/G ±50 + 100/G ±25 + 30/G ±125 + 500/G µV
vs Temperature T
A
= T
MIN
to T
MAX
±0.1 + 0.5/G ±0.25 + 5/G ±0.25 + 5/G ±1 + 10/G µV/°C
vs Power Supply V
S
= ±2.25V to ±18V 0.5 + 2/G 3 + 10/G ✻✻µV/V
Long-Term Stability ±0.2 + 0.5/G ✻ µV/mo
Impedance, Differential 10
10
|| 6 ✻ Ω || pF
Common-Mode 10
10
|| 6 ✻ Ω || pF
Input Common-Mode Range ±11 ±13.5 ✻✻ V
Safe Input Voltage ±40 ✻ V
Common-Mode Rejection V
CM
= ±10V, ∆R
S
= 1kΩ
G = 1 80 96 75 90 dB
G = 10 96 115 90 106 dB
G = 100 110 120 106 110 dB
G = 1000 115 120 106 110 dB
BIAS CURRENT ±0.5 ±2 ✻ ±5nA
vs Temperature ±8 ✻ pA/°C
OFFSET CURRENT ±0.5 ±2 ✻ ±5nA
vs Temperature ±8 ✻ pA/°C
NOISE VOLTAGE, RTI G = 1000, R
S
= 0Ω
f = 10Hz 15 ✻ nV/√Hz
f = 100Hz 11 ✻ nV/√Hz
f = 1kHz 11 ✻ nV/√Hz
f
B
= 0.1Hz to 10Hz 0.4 ✻ µVp-p
Noise Current
f=10Hz 0.4 ✻ pA/√Hz
f=1kHz 0.2 ✻ pA/√Hz
f
B
= 0.1Hz to 10Hz 18 ✻ pAp-p
GAIN
Gain Equation 1 + (50kΩ/R
G
) ✻ V/V
Range of Gain 1 10000 ✻✻V/V
Gain Error G = 1 ±0.01 ±0.05 ✻✻%
G = 10 ±0.02 ±0.4 ✻ ±0.5 %
G = 100 ±0.05 ±0.5 ✻ ±0.7 %
G = 1000 ±0.5 ±1 ✻ ±2%
Gain vs Temperature G = 1 ±2 ±10 ✻ ±10 ppm/°C
50kΩ Resistance
(1)
±25 ±100 ✻✻ppm/°C
Nonlinearity G = 1 ±0.0001 ±0.001 ✻ ±0.002 % of FSR
G = 10 ±0.0005 ±0.002 ✻ ±0.004 % of FSR
G = 100 ±0.0005 ±0.002 ✻ ±0.004 % of FSR
G = 1000 ±0.002 ±0.01 ✻ ±0.02 % of FSR
OUTPUT
Voltage I
O
= 5mA, T
MIN
to T
MAX
±13.5 ±13.7 ✻✻ V
V
S
= ±11.4V, R
L
= 2kΩ±10 ±10.5 ✻✻ V
V
S
= ±2.25V, R
L
= 2kΩ±1 ±1.5 ✻✻ V
Load Capacitance Stability 1000 ✻ pF
Short Circuit Current +20/–15 ✻ mA
FREQUENCY RESPONSE
Bandwidth, –3dB G = 1 1 ✻ MHz
G = 10 100 ✻ kHz
G = 100 10 ✻ kHz
G = 1000 1 ✻ kHz
Slew Rate V
O
= ±10V, G = 10 0.3 0.6 ✻✻ V/µs
Settling Time, 0.01% G = 1 18 ✻ µs
G = 10 20 ✻ µs
G = 100 120 ✻ µs
G = 1000 1100 ✻ µs
Overload Recovery 50% Overdrive 20 ✻ µs
POWER SUPPLY
Voltage Range ±2.25 ±15 ±18 ✻✻ ✻ V
Current V
IN
= 0V ±2.2 ±3 ✻✻mA
TEMPERATURE RANGE
Specification –40 85 ✻✻°C
Operating –40 125 ✻✻°C
θ
JA
80 ✻ °C/W