OPA4228UA/2K5 by Texas Instruments | General Purpose Amplifiers | Avnet ASIA
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OPA4228UA/2K5

Texas Instruments

OP Amp Quad GP ±18V 14-Pin SOIC T/R

Manufacturer Part #: OPA4228UA/2K5

Alternate Part #: OPA4228UA/2K5


RoHS Compliant

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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.

Key Features

  • Low Noise: 3nV/√Hz
  • Wide Bandwidth:
    • OPA227: 8 MHz, 2.3 V/µs
    • OPA228: 33 MHz, 10 V/µs
  • Settling Time: 5 µs
    (Significant Improvement Over OP-27)
  • High CMRR: 138 dB
  • High Open-loop Gain: 160 dB
  • Low Input Bias Current: 10 nA Maximum
  • Low Offset Voltage: 75 µV Maximum
  • Wide Supply Range: ±2.5 V to ±18 V
  • OPA227 Replaces OP-27, LT1007, MAX427
  • OPA228 Replaces OP-37, LT1037, MAX437
  • Single, Dual, and Quad Versions
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Product Dimensions
    8.75 x 4 x 1.5 mm
    Minimum Dual Supply Voltage
    ±2.5 V
    Maximum Dual Supply Voltage
    ±18 V
    Minimum CMRR
    120 dB
    Number of Channels per Chip
    4
    Typical Input Noise Voltage Density
    3.5@±15V nV/rtHz
    Typical Slew Rate
    11@±15V V/us
    Power Supply Type
    Dual
    Pin Count
    14
    Operating Temperature
    -40 to 85 °C
    Typical NonInverting Input Noise Current Density
    0.4@±15V pA/rtHz
    Maximum Operating Supply Voltage
    ±18 V
    Typical Voltage Gain
    160 dB
    Supplier Package
    SOIC
    Shut Down Support
    No
    Mounting
    Surface Mount
    Type
    General Purpose Amplifier
    Max Processing Temp
    260
    MSL Level
    3
    Technology
    Bipolar
    Typical Gain Bandwidth Product
    8 MHz
    Rail to Rail
    No
    Lead Finish
    Gold
    Typical Dual Supply Voltage
    ±3|±5|±9|±12|±15 V
    Maximum Input Bias Current
    0.01@±15V uA
    Maximum Input Offset Voltage
    0.2@±15V mV

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542330000"
    HTSN:
    8542.33.00.01"
    UNSPSC:
    32101629
    UNSPSC VERSION:
    V15.1101

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