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. The INA592 is available in 8-pin VSSOP surface-mount package and is specified for operation over the extended industrial temperature range, –40°C to +125°C.
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|Part number||Order||Number of channels (#)||Vs (Min) (V)||Vs (Max) (V)||CMRR (Min) (dB)||Common mode input low (Min) (V)||Common mode input high (Max) (V)||Input offset (+/-) (Max) (uV)||Iq (Typ) (mA)||Small signal bandwidth (Typ) (MHz)||Slew rate (Typ) (V/us)||Gain (Min) (V/V)||Gain (Max) (V/V)||Gain error (+/-) (Max) (%)||Rating||Operating temperature range (C)||Input offset drift (+/-) (Max) (uV/C)||Gain drift (Max) (ppm/C)|
||1||4.5||36||88||-54.3||54||40||1.1||2||18||0.5||2||0.03||Catalog||-40 to 125||1.5||1|
||1||2.7||36||76||-15||28||250||0.16||0.3||0.1||1||1||0.075||Catalog||-40 to 85||5||1|
||1||4.5||36||88||-54.3||54||200||1.1||2||18||0.5||2||0.03||Catalog||-40 to 125||5||1|