2

®

INA143, INA2143

INA143U

INA143UA

INA2143U

INA2143UA

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

RTI

±100

±250

T

±500

µV

vs Temperature

±1

±3

See Typical Curve

µV/°C

vs Power Supply

±5

±20

T

±30

µV/V

vs Time

0.2

T

µV/√mo

Channel Separation (dual)

dc

140

dB

Differential

20

T

k

Ω

Common-Mode

55

T

k

Ω

INPUT VOLTAGE RANGE

RTI

Common-Mode Voltage Range

Positive

1.1[(V+)– 1.5] 1.1[(V+) –1]

TT

V

Negative

1.1[(V–) +1.5] 1.1[(V–) + 1]

TT

V

Common-Mode Rejection Ratio

86

96

80

T

dB

RTI

f = 0.1Hz to 10Hz

1

T

µVp-p

f = 10Hz

45

T

nV/

√Hz

f = 100Hz

30

T

nV/

√Hz

f = 1kHz

27

T

nV/

√Hz

GAIN

Initial

10

T

V/V

Error

±0.01

±0.05

T

±0.1

%

vs Temperature

±1

±10

TT

ppm/

°C

Nonlinearity

±0.0001

±0.001

T

±0.002

% of FS

OUTPUT

Voltage Output

Gain Error < 0.1%

Positive

(V+) –1.5

(V+) –1.3

TT

V

Negative

(V–) +1

(V–) +0.8

TT

V

Positive

(V+) –0.8

T

V

Negative

(V–) +0.3

T

V

Current Limit

Continuous-to-Common

–25, +32

T

mA

Capacitive Load (stable operation)

1000

T

pF

FREQUENCY RESPONSE

Small-Signal Bandwidth

–3dB

0.15

T

MHz

Slew Rate

5

T

V/

µs

Settling Time: 0.1%

6

T

µs

0.01%

9

T

µs

Overload Recovery Time

50% Overdrive

6

T

µs

POWER SUPPLY

Rated Voltage

±15

T

V

Operating Voltage Range

Dual Supplies

±2.25

±18

TT

V

Single Supply

+4.5

+36

TT

V

Quiescent Current (per amplifier)

±0.95

±1.2

TT

mA

TEMPERATURE RANGE

Specification

–40

+85

TT

°C

Operation

–55

+125

TT

°C

Storage

–55

+125

TT

°C

Thermal Resistance

θ

JA

SO-8 Surface Mount

150

T

°C/W

SO-14 Surface Mount

100

T

°C/W

T 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.