OPA1644AID Part Information

Details for OPA1644AID by Texas Instruments

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

Part Description

The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Features include 5.1-nV/√Hz noise, low THD+N (0.00005%), a low input bias current of 2 pA, and low quiescent current of 1.8 mA per channel. These devices operate over a very wide supply voltage range of ±2.25 V to ±18 V. The OPA1641, OPA1642, and OPA1644 series of operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. The OPA1641, OPA1642, and OPA1644 specified from –40°C to +85°C. SoundPlus™ are

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Part Features

  • High Slew Rate: 20 V/u03bcs
  • Low Noise: 5.1 nV/u221aHz at 1 kHz
  • Low Quiescent Current: 1.8 mA per Channel
  • No Phase Reversal
  • Rail-to-rail Output
  • Single, Dual, and Quad Versions Available
  • Superior Sound Quality
  • True JFET Input Operational Amplifier With Low Input Bias Current
  • Ultralow Distortion: 0.00005% at 1 kHz
  • Unity Gain Stable
  • Wide Supply Range: u00b12.25 V to u00b118 V

Part Specifications

No. of Amplifiers 4 Amplifier, 4Amplifiers
Bandwidth 11MHz
Slew Rate 20V/µs
Supply Voltage Range ± 2.25V to ± 18V
Amplifier Case Style SOIC
No. of Pins 14Pins
Operating Temperature Min -55°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Amplifer Supply Voltage ± 2.25V to ± 18V
Base Number 1644
Op Amp Type Precision
Operating Temperature Range -55°C to +125°C
RoHS Compliant

Alternative Part Descriptions

  • IC, OP AMP, JFET, 11MHZ, 14SOIC; No. of Amplifiers:4 Amplifier; Bandwidth:11MHz; Slew Rate:20V/µs; Supply Voltage Range:± 2.25V to ± 18V; Amplifier Case Style:SOIC; No. of Pins:14Pins; Operating Temperature Min:-55°C; Operating RoHS Compliant: Yes | Newark Electronics
  • OPA1641/1642/1644 SoundPLUS™ High-Performance, JFET-Input Audio OpAmps | Texas Instruments
  • Operational Amplifier [Texas Instruments] OPA1644AID Operational Amplifier | Distrelec

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