OPAx376 Operational Amplifiers

By Texas Instruments 85

OPAx376 Operational Amplifiers

Texas Instruments' OPA376 family represents a generation of low-noise operational amplifiers with e-trim, offering outstanding dc precision and ac performance. Rail-to-rail input and output, low offset (25 µV maximum), low noise (7.5 nV/√Hz), quiescent current of 950 µA (maximum), and a 5.5 MHz bandwidth make this part very attractive for a variety of precision and portable applications. In addition, this device has a reasonably wide supply range with excellent PSRR, making it attractive for applications that run directly from batteries without regulation.

The OPA376 (single version) is available in MicroSIZE SC70-5, SOT-23-5, and SOIC-8 packages. The OPA2376 (dual) is offered in the DSBGA-8, VSSOP-8, and SOIC-8 packages. The OPA4376 (quad) is offered in a TSSOP-14 package. All versions are specified for operation from -40°C to +125°C.

Features Applications
  • Low noise: 7.5 nV/√Hz at 1 kHz
  • 0.1 Hz to 10 Hz noise: 0.8 µVPP
  • Quiescent current: 760 µA (typical)
  • Low offset voltage: 5 µV (typ)
  • Gain bandwidth product: 5.5 MHz
  • Rail-to-rail input and output
  • Single-supply operation
  • Supply voltage: 2.2 V to 5.5 V
  • Space-saving packages:
    • SC70, SOT-23, DSBGA, VSSOP, TSSOP
  • ADC buffers
  • Audio equipment
  • Medical instrumentation
  • Handheld test equipment
  • Active filtering
  • Sensor signal conditioning

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