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Details for Texas Instruments


High Precision, Low Noise Operational Amplifiers
Buy Directly from Texas Instruments (14826 in Stock)
$1.6100 per unit
Series Information for OPA227PA - Texas Instruments


  • feature
    High CMRR: 138 dB
  • feature
    High Open-loop Gain: 160 dB
  • feature
    Low Input Bias Current: 10 nA Maximum
  • feature
    Low Noise: 3nV/u221aHz
  • feature
    Low Offset Voltage: 75 u00b5V Maximum
  • feature
    OPA227 Replaces OP-27, LT1007, MAX427
  • feature
    OPA228 Replaces OP-37, LT1037, MAX437
  • feature
    Settling Time: 5 u03bcs (Significant Improvement Over OP-27)
  • feature
    Single, Dual, and Quad Versions
  • feature
    Wide Bandwidth: u2013 OPA227: 8 MHz, 2.3 V/u03bcs u2013 OPA228: 33 MHz, 10 V/u03bcs
  • feature
    Wide Supply Range: u00b12.5 V to u00b118 V


The OPAx22x series operational amplifiers combine low noise and wide bandwidth with high precision to make them the ideal choice for applications requiring both AC and precision DC performance. The OPAx227 is unity-gain stable and features high slew rate (2.3V/µs) and wide bandwidth (8MHz). The OPAx228 is optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10V/µs and a bandwidth of 33MHz. The OPAx227 and OPAx228 series operational amplifiers are ideal for professional audio equipment. In addition, low quiescent current and low cost make them ideal for portable applications requiring high precision. The OPAx227 and OPAx228 series operational amplifiers are pin-for-pin replacements for the industry standard OP-27 and OP-37 with substantial improvements across the board. The dual and quad versions are available for space savings and per channel cost reduction. The OPAx227, OPAx228, are available in DIP-8 and SO-8 packages. The OPA4227 and OPA4228 are available in DIP-14 and SO-14 packages with standard pin configurations. Operation is specified from –40°C to 85°C.


No. of Amplifiers:
1 Amplifier
Slew Rate:
Supply Voltage Range:
± 2.5V to ± 18V
Amplifier Case Style:
No. of Pins:
Operating Temperature Min:
Product Range:

Alternate Descriptions

Avnet America

OP Amp Single GP ±18V 8-Pin PDIP Tube

Avnet Europe

OP Amp Single GP ±18V 8-Pin PDIP Tube

Schukat Electronic

Op-Amp LN 8MHz 2,3V/us DIP8

Texas Instruments

High Precision, Low Noise Operational Amplifiers

Texas Instruments product



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