3

®

INA148

SPECIFICATIONS: VS = +5V Single Supply

At TA = +25°C, RL = 10kΩ connected to VS/2 and Ref pin connected to VS/2, unless otherwise noted.

INA148UA

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OFFSET VOLTAGE (VO)

RTI(1)(2)

Input Offset Voltage

VOS

VCM = V

S/2

±1

±5mV

Drift

∆V

OS/∆T

At TA = –40°C to +85°C

±10

µV°C

vs Power Supply

PSRR

VS = +2.7V to +36V, VCM = V

S/2

±50

±400

µV/V

INPUT VOLTAGE RANGE

Common-Mode Voltage Range

VCM

(VIN

+ ) – (V

IN

– ) = 0V, V

REF = 0.25V

–4

+75

V

(VIN

+ ) – (V

IN

– ) = 0V, V

REF = VS/2

–47.5

+32.5

V

Common-Mode Rejection

CMRR

VCM = –47.5V to +32.5V, RS = 0Ω

70

86

dB

INPUT IMPEDANCE

Differential

2M

Ω

Common Mode

1M

Ω

NOISE

RTI(1)(3)

Voltage Noise, f = 0.1Hz to 10Hz

en

17

µVp-p

Voltage Noise Density, f = 1kHz

880

nV/

√Hz

GAIN

Initial(1)

1

V/V

Gain Error

VO = +0.5V to +3.5V

±0.01

±0.075

%

vs Temperature

±3

±10

ppm/

°C

Nonlinearity

VO = +0.5V to +3.5V

±0.001

% of FSR

FREQUENCY RESPONSE

Small Signal Bandwidth

100

kHz

Slew Rate

1V/

µs

Settling Time: 0.1%

VS = +5V, 3V Step

21

µs

0.01%

VS = +5V, 3V Step

25

µs

Overload Recovery

50% Input Overload

13

µs

OUTPUT (VO)

Voltage Output

RL = 100kΩ

(V–) + 0.25

(V+) – 1

V

RL = 10kΩ

(V–) + 0.5

(V+) – 1.5

V

Output Current

IO

Short-Circiuit Current

Continuous to Common

±8mA

Capacitive Load

Stable Operation

10

nF

POWER SUPPLY

Operating Range, Single Supply

+2.7

+36

V

Quiescent Current

VIN = 0, IO = 0

260

300

µA

TEMPERATURE RANGE

Specified

–40

85

°C

Operating

–55

125

°C

Storage

–55

125

°C

Thermal Resistance

θ

JA

SO-8 Surface Mount

150

°C/W

NOTES: (1) Overall difference amplifier configuration. Referred to input pins (VIN

+ and V

IN

– ), gain = 1V/V (2) Input offset voltage specification includes effects of

amplifier's input bias and offset currents. (3) Includes effects of input current noise and thermal noise contribution of resistor network.