OPA591

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OPA591 单通道、低功耗精密 85V 运算放大器

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Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 85 Iout (typ) (A) 0.03 GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 100 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (V/°C) 0.0000005 Iq per channel (typ) (mA) 0.425 Rating Catalog Operating temperature range (°C) -40 to 125 Input bias current (max) (pA) 15 CMRR (typ) (dB) 140 Rail-to-rail In, Out
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 85 Iout (typ) (A) 0.03 GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 100 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (V/°C) 0.0000005 Iq per channel (typ) (mA) 0.425 Rating Catalog Operating temperature range (°C) -40 to 125 Input bias current (max) (pA) 15 CMRR (typ) (dB) 140 Rail-to-rail In, Out
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Wide supply voltage range: 8V to 85V
  • Low offset voltage: 100µV, max
  • Low offset drift: 2µV/°C, max
  • High CMRR: 130dB, min
  • High PSRR: 120dB, min
  • Low input bias current: 15pA, max
  • Low noise: 12.9nV/√Hz at 1kHz
  • Wide bandwidth: 3.75MHz at 40dB
  • High slew rate: 100V/µs
  • Low quiescent current: 420µA
  • Rail-to-rail output
  • Unity gain stable
  • Mux-friendly inputs
  • Thermal shutdown protection
  • Small package options:
    • Single: SOT23
    • Dual: VSSOP, SOIC
  • Wide supply voltage range: 8V to 85V
  • Low offset voltage: 100µV, max
  • Low offset drift: 2µV/°C, max
  • High CMRR: 130dB, min
  • High PSRR: 120dB, min
  • Low input bias current: 15pA, max
  • Low noise: 12.9nV/√Hz at 1kHz
  • Wide bandwidth: 3.75MHz at 40dB
  • High slew rate: 100V/µs
  • Low quiescent current: 420µA
  • Rail-to-rail output
  • Unity gain stable
  • Mux-friendly inputs
  • Thermal shutdown protection
  • Small package options:
    • Single: SOT23
    • Dual: VSSOP, SOIC

The OPAx591 is a family of high precision, 85V CMOS power amplifiers available in small, industry standard packages.

These devices are laser trimmed to provide excellent dc performance, including 100µV max offset, 2µV/°C max offset drift. The high power supply and common-mode rejection help these op amps maintain high dc performance across different operating conditions. Degradation of precision is minimal because of the very low input bias current across the entire operating voltage range.

The OPAx591 also excels in ac performance despite the low quiescent current consumption. Proprietary design techniques provide 100V/µs slew rate and MUX-friendly inputs to enable fast settling of large signals. The low broadband noise help maintain signal fidelity across a wide frequency spectrum.

The combination of high precision, low noise, low power, and small packages make the OPAx591 a great choice for high voltage, space constrained systems where power consumption and, or thermal management is critical. Such systems include automated test equipment requiring high voltage and precision, power supplies requiring current or voltage sensing, and piezo actuator driving for haptic feedback systems.

This family of amplifiers operates over the extended industrial temperature range of –40°C to +125°C.

The OPAx591 is a family of high precision, 85V CMOS power amplifiers available in small, industry standard packages.

These devices are laser trimmed to provide excellent dc performance, including 100µV max offset, 2µV/°C max offset drift. The high power supply and common-mode rejection help these op amps maintain high dc performance across different operating conditions. Degradation of precision is minimal because of the very low input bias current across the entire operating voltage range.

The OPAx591 also excels in ac performance despite the low quiescent current consumption. Proprietary design techniques provide 100V/µs slew rate and MUX-friendly inputs to enable fast settling of large signals. The low broadband noise help maintain signal fidelity across a wide frequency spectrum.

The combination of high precision, low noise, low power, and small packages make the OPAx591 a great choice for high voltage, space constrained systems where power consumption and, or thermal management is critical. Such systems include automated test equipment requiring high voltage and precision, power supplies requiring current or voltage sensing, and piezo actuator driving for haptic feedback systems.

This family of amplifiers operates over the extended industrial temperature range of –40°C to +125°C.

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* 数据表 OPAx591 85V, Precision (100µV), Low-Power (420μA), High-Slew Rate (100V/μs) Op Amps With MUX-Friendly Inputs 数据表 PDF | HTML 2026年 2月 25日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日
应用手册 高速数据转换 英语版 2008年 10月 16日

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