Datasheet

2
®
INA143, INA2143
INA143U INA143UA
INA2143U INA2143UA
SPECIFICATIONS: V
S
= ±15V
At T
A
= +25°C, V
S
= ±15V, G = 10, R
L
= 10kΩ connected to ground, and reference pin connected to ground, unless otherwise noted.
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.
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
OFFSET VOLTAGE
(1)
RTI
Initial
(1)
V
CM
= 0V ±100 ±250 ✻ ±500 µV
vs Temperature ±1 ±3 See Typical Curve µV/°C
vs Power Supply V
S
= ±2.25V to ±18V ±5 ±20 ✻ ±30 µV/V
vs Time 0.2 ✻ µV/√mo
Channel Separation (dual) dc 140 dB
INPUT IMPEDANCE
(3)
Differential 20 ✻ kΩ
Common-Mode 55 ✻ kΩ
INPUT VOLTAGE RANGE RTI
Common-Mode Voltage Range
Positive V
O
= 0V 1.1[(V+)–1.5] 1.1[(V+) –1] ✻✻ V
Negative V
O
= 0V 1.1[(V–)+1.5] 1.1[(V–) +1] ✻✻ V
Common-Mode Rejection Ratio V
CM
= –14.85V to 14.85V, R
S
= 0Ω 86 96 80 ✻ dB
OUTPUT VOLTAGE NOISE
(3)
RTI
f = 0.1Hz to 10Hz 1 ✻ µVp-p
f = 10Hz 45 ✻ nV/√Hz
f = 100Hz 30 ✻ nV/√Hz
f = 1kHz 27 ✻ nV/√Hz
GAIN
Initial 10 ✻ V/V
Error V
O
= –14V to +13.5V ±0.01 ±0.05 ✻ ±0.1 %
vs Temperature ±1 ±10 ✻✻ppm/°C
Nonlinearity V
O
= –14V to +13.5V ±0.0001 ±0.001 ✻ ±0.002 % of FS
OUTPUT
Voltage Output Gain Error < 0.1%
Positive R
L
= 10kΩ to Ground (V+) –1.5 (V+) –1.3 ✻✻ V
Negative R
L
= 10kΩ to Ground (V–) +1 (V–) +0.8 ✻✻ V
Positive R
L
= 100kΩ to Ground (V+) –0.8 ✻ V
Negative R
L
= 100kΩ to Ground (V–) +0.3 ✻ V
Current Limit Continuous-to-Common –25, +32 ✻ mA
Capacitive Load (stable operation) 1000 ✻ pF
FREQUENCY RESPONSE
Small-Signal Bandwidth –3dB 0.15 ✻ MHz
Slew Rate 5 ✻ V/µs
Settling Time: 0.1% V
O
= 10V Step, C
L
= 100pF 6 ✻ µs
0.01% V
O
= 10V Step, C
L
= 100pF 9 ✻ µs
Overload Recovery Time 50% Overdrive 6 ✻ µs
POWER SUPPLY
Rated Voltage ±15 ✻ V
Operating Voltage Range
Dual Supplies ±2.25 ±18 ✻✻V
Single Supply +4.5 +36 ✻✻V
Quiescent Current (per amplifier) I
O
= 0 ±0.95 ±1.2 ✻✻ mA
TEMPERATURE RANGE
Specification –40 +85 ✻✻°C
Operation –55 +125 ✻✻°C
Storage –55 +125 ✻✻°C
Thermal Resistance
θ
JA
SO-8 Surface Mount 150 ✻ °C/W
SO-14 Surface Mount 100 ✻ °C/W
✻ Specifications the same as INA143U, INA2143U.
NOTES: (1) Includes the effects of amplifier’s input bias and offset currents. (2) Internal resistors are ratio matched but have ±20% absolute value. (3) Includes
effects of amplifier’s input current noise and thermal noise contribution of resistor network.