INA148 Texas instruments

INA148

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INA148

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Описание

The INA148 is a precision, low-power, unity-gain difference amplifier with a high common-mode input voltage range. It consists of a monolithic precision bipolar op amp with a thin-film resistor network. The on-chip resistors are laser trimmed for an accurate 1V/V differential gain and high common-mode rejection. Excellent temperature tracking of the resistor network maintains high gain accuracy and common-mode rejection over temperature. The INA148 will operate on single or dual supplies. The INA148 is available in a small SO-8 surface-mount package and it is specified for the 40°C to +85°C extended industrial temperature range.

LOW NONLINEARITY: 0.002% max
HIGH COMMON-MODE VOLTAGE:
- +75V at V_S = +5V
- ±200V at V_S = ±15V
FIXED DIFFERENTIAL GAIN = 1V/V
LOW QUIESCENT CURRENT: 260µA
WIDE SUPPLY RANGE:
- Single Supply: 2.7V to 36V
- Dual Supplies: ±1.35V to ±18V
LOW GAIN ERROR: 0.075% max
HIGH CMR: 86dB
SO-8 PACKAGE

Number of channels	1
Vs (min) (V)	2.7
Vs (max) (V)	36
CMRR (min) (dB)	70
Common-mode input low (min) (V)	-200
Common-mode input high (max) (V)	200
Input offset (±) (max) (V)	0.005
Iq (typ) (mA)	0.6
Slew rate (typ) (V/µs)	1
Voltage gain (min) (V/V)	1
Voltage gain (max) (V/V)	1
Small-signal bandwidth (typ) (Hz)	100000
Rating	Catalog
Operating temperature range (°C)	-55 to 125
Gain drift (max) (ppm/°C)	3
Gain error (±) (max) (%)	0.075