OPA1678IDGKT Part Information

Details for OPA1678IDGKT by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Operational Amplifiers - Op Amps

Part Description

The OPA1678 (dual-channel) and OPA1679 (quadchannel) operational amplifiers offer higher systemlevel performance over legacy op amps commonly used in audio circuitry. The OPA167x amplifiers achieve a low 4.5-nV/√Hz noise density and low distortion of 0.0001% at 1 kHz which improves audio signal fidelity. They also offer rail-to-rail output swing to within 800 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. The OPA1678 and OPA1679 operate over a very wide supply range of ±2.25 V to ±18 V or (4.5 V to 36 V) on only 2 mA of supply current to accommodate the power supply constraints of many types of audio products. These op amps are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions allowing them to be used in many audio circuits. The OPA167x amplifiers use completely independent internal circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. The OPA167x temperature ranges are specified from –40°C to +85°C. SoundPlus™

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Part Features

  • Dual-Channel and Quad-Channel Versions
  • High Common-Mode Rejection: 110 dB
  • High Open-Loop Gain: 114dB
  • Low Distortion: 0.0001% at 1 kHz
  • Low Input Bias Current: 10 pA (Typical)
  • Low Noise: 4.5 nV/u221aHz at 1 kHz
  • Low Quiescent Current: 2 mA Per Channel
  • Rail-to-Rail Output
  • Slew Rate: 9 V/u03bcs
  • Small Package Sizes:
  • Unity-Gain Stable
  • Wide Gain Bandwidth: 16 MHz (G = 1)
  • Wide Supply Range: u00b12.25 V to u00b118 V, or 4.5 V to 36 V

Part Specifications

No. of Amplifiers 2 Amplifier
Bandwidth 16MHz
Slew Rate 9V/µs
Supply Voltage Range 4.5V to 36V ± 2.25V to ± 18V
Amplifier Case Style VSSOP
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range OPA167x Series
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • OP-AMP, 16MHZ, 9V/US, VSSOP-8; No. of Amplifiers:2 Amplifier; Bandwidth:16MHz; Slew Rate:9V/µs; Supply Voltage Range:4.5V to 36V, ± 2.25V to ± 18V; Amplifier Case Style:VSSOP; No. of Pins:8Pins; Operating Temperature Min:-40°C; RoHS Compliant: Yes | Newark Electronics
  • Low distortion (-120 dB), low noise (4.5nV/rtHz), dual audio op amp | Texas Instruments

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