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Home » NEWEST Products » New by Manufacturer » Texas Instruments » OPA1641 / OPA1642 / OPA1644 Audio Op Amps - TI
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Texas Instruments OPA1641 / OPA1642 / OPA1644 Audio Op Amps

TI OPA1641 / OPA1642 / OPA1644 Audio Op Amps

Texas Instruments OPA1641, OPA1642 and OPA1644 SoundPlus™ JFET-input, ultralow distortion, low-noise op amps are fully specified for audio applications. TI OPA1641, OPA1642, and OPA1644 op amps offer superior sound quality and rail-to-rail output swing that allows for increased headroom, making these devices ideal for any audio circuit. The TI OPA1641, OPA1642, and OPA1644 op amps operate over a very wide supply voltage range of ±2.25V to ±18V. The OPA1641, OPA1642, and OPA1644 are utility-gain stable and provide excellent dynamic behavior over a wide range of load conditions. These TI op amps are ideal for professional audio equipment, analog and digital mixing consoles, broadcast studio equipment, high-end AV receivers, and high-end Blu-Ray™ players.

  • Superior sound quality
  • True jfet input op amp with low input bias current
  • Low noise: 5.1nv/√hz at 1khz
  • Ultralow distortion: 0.00005% at 1khz
  • High slew rate: 20v/µs
  • Unity gain stable
  • No phase reversal
  • Low quiescent current: 1.8ma per channel
  • Rail-to-rail output
  • Wide supply range: ±2.25v to ±18v
  • Single, dual, and quad versions available
  • Professional audio equipment
  • Analog and digital mixing consoles
  • Broadcast studio equipment
  • High-end a/v receivers
  • High-end blu-ray™ players
Part Number Channels
OPA1641 1
OPA1642 2
OPA1644 4

Functional Block Diagram

Functional Block Diagram

TI Video: OPA1641/42/44 High-Performance Audio Op Amps

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  • Texas Instruments