INA592 Texas instruments

INA592

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INA592

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Описание

The INA592 device is a low-power, wide bandwidth difference amplifier consisting of a precision operational amplifier (op amp) and a precision resistor network. Excellent tracking of resistors (TCR) maintains gain accuracy and common-mode rejection over temperature. Unique features such as low offset 40 µV (maximum), low offset drift (2 µV/°C maximum) high slew rate (18 V/µs), and high capacitive load drive of up to 500 pF make the INA592 a robust, high-performance difference amplifier for high-voltage industrial applications. The common-mode range of the internal op amp extends to the negative supply, enabling the device to operate in single-supply applications. The device operates on single (4.5 V to 36 V) or dual supplies (±2.25 V to ±18 V).The difference amplifier is the foundation of many commonly used circuits. The INA592 provides this circuit function without using an expensive precision resistor network.

G = 1/2 amplifier
G = 2 amplifier
Low offset voltage: 40 µV (maximum)
Low offset voltage drift: ±2 µV/°C (maximum)
Low noise: 18 nV/√Hz at 1 kHz
Low gain error: ±0.03% (maximum)
High common-mode rejection: 88 dB (minimum)
Wide bandwidth: 2 MHz GBW
Low quiescent current: 1.1 mA per amplifier
High slew rate: 18 V/µs
High capacitive load drive capability: 500 pF
Wide supply range:
- Single supply: 4.5 V to 36 V
- Dual supply: ±2.25 V to ±18 V
Specified temperature range: –40°C to +125°C
Packages: 8-Pin MSOP and SOIC, 10-pin VSON

Number of channels	1
Vs (min) (V)	4.5
Vs (max) (V)	36
CMRR (min) (dB)	88
Common-mode input low (min) (V)	-54.3
Common-mode input high (max) (V)	54
Input offset (±) (max) (V)	0.00004
Iq (typ) (mA)	1.1
Slew rate (typ) (V/µs)	18
Voltage gain (min) (V/V)	0.5
Voltage gain (max) (V/V)	2
Small-signal bandwidth (typ) (Hz)	2000000
Rating	Catalog
Operating temperature range (°C)	-40 to 125
Gain drift (max) (ppm/°C)	1
Gain error (±) (max) (%)	0.03