OP37 Low Noise, Precision, High Speed Operational Amplifier (AVCL≥5)

The OP37 provides the same high performance as the OP27, but the design is optimized for circuits with gains greater than five. This design change increases slew rate to 17V/µsec and gain-bandwidth product to 63MHz.

The OP37 provides the low offset and drift of the OP07 plus higher speed and lower noise. Offsets down to 25µV and drift of 0.6µV/°C maximum make the OP-37 ideal for precision instrumentation applications. Exceptionally low noise (en=3.5nV/Hz at 10Hz), a low 1/f noise corner frequency of 2.7Hz, and the high gain of 1.8 million, allow accurate high-gain amplification of low-level signals.

The low input bias current of ±10nA and offset current of 7nA are achieved by using a bias-current-cancellation circuit. Over the military temperature range this typically holds IB and IOS to ±20nA and 15nA respectively.

The output stage has good load driving capability. A guaranteed swing of ±10V into 600 Ohm and low output distortion make the OP37 an excellent choice for professional audio applications.

Features and Benefits
  • Low Noise, 80 nV p-p (0.1 Hz to 10 Hz)
    3 nV/vHz @ 1 kHz
  • Low Drift, 0.2 µV/°C
  • High Speed, 17 V/µs Slew Rate
    63 MHz Gain Bandwidth
  • Low Input Offset Voltage, 10 µV
  • Excellent CMRR, 126 dB
    (Common-Voltage @ 11 V)
  • High Open-Loop Gain, 1.8 Million
  • Replaces 725, OP-07,
    SE5534 In Gains > 5
  • Available in Die Form
    • Amplifiers
    OP37 SPICE Macro-Model
    Data Sheets
    Documentnote
    OP37: Low Noise, Precision, High Speed Operational Amplifier (AVCL>5) Data Sheet (Rev. B)PDF 561 kB
    Application Notes
    Documentnote
    AN-356: User's Guide to Applying and Measuring Operational Amplifier SpecificationsPDF 538 kB
    AN-940: Low Noise Amplifier Selection Guide for Optimal Noise Performance (Rev. D)PDF 199 kB
    AN-358: Noise and Operational Amplifier CircuitsPDF 593 kB
    AN-649: Using the Analog Devices Active Filter Design Tool (Rev. 0)PDF 5.3 M
    Frequently Asked Questions
    Documentnote
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    OP37EPZ Production8 ld PDIPOTH 50-25 to 85C3.853.45Y
    OP37EZ ProductionCERDIP GLASS SEALOTH 48-25 to 85C14.6213.89N
    OP37GPZ Production8 ld PDIPOTH 50-40 to 85C1.51.45Y
    OP37GSZ Production8 ld SOICOTH 98-40 to 85C1.271.22Y
    OP37GSZ-REEL Production8 ld SOICREEL 2500-40 to 85C01.22Y
    OP37GSZ-REEL7 Production8 ld SOICREEL 1000-40 to 85C01.22Y
    OP37NBC ProductionCHIPS OR DIEREEL 18025C28.1425.58Y
    Evaluation Boards
    Part NumberDescriptionPriceRoHS
    EVAL-PRAOPAMP-1KSZSingle KS-5 lead SC70 Evaluation Board20.19Y
    EVAL-PRAOPAMP-1RJZSingle RJ-5 lead SOT23 Evaluation Board20.19Y
    EVAL-PRAOPAMP-1RMZSingle RM-8 lead MSOP Evaluation Board20.19Y
    EVAL-PRAOPAMP-1RZSingle R-8 lead SOIC Evaluation Board20.19Y
    OP37: Low Noise, Precision, High Speed Operational Amplifier (AVCL>5) Data Sheet (Rev. B) op37
    OP37 SPICE Macro-Model Rev. A, 1/90 op37
    OP37A SPICE Macro-Model Rev. A, 1/90 op37
    OP37B SPICE Macro-Model Rev. A, 1/91 op37
    OP37C SPICE Macro-Model Rev. A, 1/91 op37
    OP37E SPICE Macro-Model Rev. A, 1/90 op37
    OP37F SPICE Macro-Model Rev. A, 1/91 op37
    OP37G SPICE Macro-Model Rev. A, 1/91 op37
    AN-356: User's Guide to Applying and Measuring Operational Amplifier Specifications ad8350
    AN-940: Low Noise Amplifier Selection Guide for Optimal Noise Performance (Rev. D) ad8628
    AN-940: 低噪声放大器选择指南 (Rev. A) ad8628
    AN-358: Noise and Operational Amplifier Circuits ad8072
    AN-358: 噪声与运算放大器电路 (Rev. 0) ad8072
    AN-356: 用户指南：运算放大器规格参数的应用和测量 (Rev. 0) ad8350
    AN-649: Using the Analog Devices Active Filter Design Tool (Rev. 0) ad8350
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