Datasheet

INA126, INA2126
3
SBOS062A
www.ti.com
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= ±15V, R
L
= 25kΩ, unless otherwise noted.
INA126P, U, E INA126PA, UA, EA
INA2126P, U, E INA2126PA, UA, EA
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
INPUT
Offset Voltage, RTI ±100 ±250 ±150 ±500 µV
vs Temperature ±0.5 ±3 ✻ ±5 µV/°C
vs Power Supply (PSRR) V
S
= ±1.35V to ±18V 5 15 ✻ 50 µV/V
Input Impedance 10
9
|| 4 ✻ Ω || pF
Safe Input Voltage R
S
= 0 (V–)–0.5 (V+)+0.5 ✻✻V
R
S
= 1kΩ (V–)–10 (V+)+10 ✻✻V
Common-Mode Voltage Range V
O
= 0V ±11.25 ±11.5 ✻✻ V
Channel Separation (dual) G = 5, dc 130 dB
Common-Mode Rejection R
S
= 0, V
CM
= ±11.25V 83 94 74 90 dB
INA2126U (dual SO-16) 80 94 dB
INPUT BIAS CURRENT –10 –25 ✻ –50 nA
vs Temperature ±30 ✻ pA/°C
Offset Current ±0.5 ±2 ✻ ±5nA
vs Temperature ±10 ✻ pA/°C
GAIN G = 5 to 10k ✻ V/V
Gain Equation G = 5 + 80kΩ/R
G
✻ V/V
Gain Error V
O
= ±14V, G = 5 ±0.02 ±0.1 ✻ ±0.18 %
vs Temperature G = 5 ±2 ±10 ✻✻ppm/°C
Gain Error V
O
= ±12V, G = 100 ±0.2 ±0.5 ✻ ±1%
vs Temperature G = 100 ±25 ±100 ✻✻ppm/°C
Nonlinearity G = 100, V
O
= ±14V ±0.002 ±0.012 ✻✻ %
NOISE
Voltage Noise, f = 1kHz 35 ✻ nV/√Hz
f = 100Hz 35 ✻ nV/√Hz
f = 10Hz 45 ✻ nV/√Hz
f
B
= 0.1Hz to 10Hz 0.7 ✻ µV
PP
Current Noise, f = 1kHz 60 ✻ fA/√Hz
f
B
= 0.1Hz to 10Hz 2 ✻ pA
PP
OUTPUT
Voltage, Positive R
L
= 25kΩ (V+)–0.9 (V+)–0.75 ✻✻ V
Negative R
L
= 25kΩ (V–)+0.95 (V–)+0.8 ✻✻ V
Short-Circuit Current Short-Circuit to Ground +10/–5 ✻ mA
Capacitive Load Drive 1000 ✻ pF
FREQUENCY RESPONSE
Bandwidth, –3dB G = 5 200 ✻ kHz
G = 100 9 ✻ kHz
G = 500 1.8 ✻ kHz
Slew Rate V
O
= ±10V, G = 5 0.4 ✻ V/µs
Settling Time, 0.01% 10V Step, G = 5 30 ✻ µs
10V Step, G = 100 160 ✻ µs
10V Step, G = 500 1500 ✻ µs
Overload Recovery 50% Input Overload 4 ✻ µs
POWER SUPPLY
Voltage Range ±1.35 ±15 ±18 ✻✻✻ V
Current (per channel) I
O
= 0 ±175 ±200 ✻✻ µA
TEMPERATURE RANGE
Specification Range –40 +85 ✻✻°C
Operation Range –55 +125 ✻✻°C
Storage Range –55 +125 ✻✻°C
Thermal Resistance,
θ
JA
8-Pin DIP 100 ✻ °C/W
SO-8 Surface-Mount 150 ✻ °C/W
MSOP-8 Surface-Mount 200 ✻ °C/W
16-Pin DIP (dual) 80 ✻ °C/W
SO-16 (dual) 100 ✻ °C/W
SSOP-16 (dual) 100 ✻ °C/W
✻ Specification same as INA126P, INA126U, INA126E; INA2126P, INA2126U, INA2126E.