INA137PA Datasheet

Linear - Audio Processing


The INA137( INA137PA ) and INA2137 are differential line receivers consisting of high performance op amps with on-chip precision resistors. They are fully specified for high performance audio applications and have excellent ac specifications, including low distortion (0.0005% at 1kHz) and high slew rate (14V/µs), assuring good dynamic response. In addition, wide output voltage swing and high output drive capability allow use in a wide variety of demanding applications. The dual version features completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded. The INA137 and INA2137 on-chip resistors are laser trimmed for accurate gain and optimum common-mode rejection. Furthermore, excellent TCR tracking of the resistors maintains gain accuracy and common-mode rejection over temperature. Operation is guaranteed from ±4V to ±18V (8V to 36V total supply). INA137PA Features • SINGLE AND DUAL VERSIONS• LOW DISTORTION: 0.0005% at f = 1kHz• HIGH SLEW RATE: 14V/µs• FAST SETTLING TIME: 3µs to 0.01%• WIDE SUPPLY RANGE: ±4V to ±18V• LOW QUIESCENT CURRENT: 2.9mA max• HIGH CMRR: 90dB• FIXED GAIN = ±6dB INA137PA Applications • AUDIO DIFFERENTIAL LINE RECEIVER• G = 1/2 OR G = 2 AMPLIFIER• INSTRUMENTATION BUILDING BLOCK• CURRENT SHUNT MONITOR• VOLTAGE-CONTROLLED CURRENT SOURCE• GROUND LOOP ELIMINATOR


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