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Amplificadores operacionales (op amps)
Amplificadores operacionales de precisión (Vos <1 mV)

OPA637

NO RECOMENDADO PARA NUEVOS DISEÑOS

Amplificadores operacionales de precisión de alta velocidad Difet®

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OPA637 no se recomienda para nuevos diseños
Este producto sigue estando disponible para los clientes existentes. Los nuevos diseños deben considerar un producto alternativo.
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Reemplazo con funcionalidad mejorada del dispositivo comparado
OPA828 ACTIVO Amplificador operacional RRO JFET de alta velocidad (45 MHz y 150 V/μs), 36 V y bajo nivel de ruido Wider bandwidth, higher slew rate rail-to-rail output precision JFET op amp
Pin por pin con la misma funcionalidad que el dispositivo comparado
OPA627 ACTIVO Amplificador operacional de 55 V/µS, alta velocidad y precisión de deriva máxima de 0.8 µV/˚C Unity-gain stable precision amplifier (16 MHz)

OPA637

NO RECOMENDADO PARA NUEVOS DISEÑOS
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Detalles del producto

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 9 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (µV/°C) 0.4 Input bias current (max) (pA) 5 GBW (typ) (MHz) 80 Features Decompensated Slew rate (typ) (V/µs) 135 Rail-to-rail No Iq per channel (typ) (mA) 7 Vn at 1 kHz (typ) (nV√Hz) 5.2 CMRR (typ) (dB) 110 Rating Catalog Operating temperature range (°C) -25 to 85 Iout (typ) (A) 0.045 Architecture FET, Voltage FB Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 2.7 Output swing headroom (to positive supply) (typ) (V) -2.7 THD + N at 1 kHz (typ) (%) 0.00003
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 9 Vos (offset voltage at 25°C) (max) (mV) 0.1 Offset drift (typ) (µV/°C) 0.4 Input bias current (max) (pA) 5 GBW (typ) (MHz) 80 Features Decompensated Slew rate (typ) (V/µs) 135 Rail-to-rail No Iq per channel (typ) (mA) 7 Vn at 1 kHz (typ) (nV√Hz) 5.2 CMRR (typ) (dB) 110 Rating Catalog Operating temperature range (°C) -25 to 85 Iout (typ) (A) 0.045 Architecture FET, Voltage FB Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 2.7 Output swing headroom (to positive supply) (typ) (V) -2.7 THD + N at 1 kHz (typ) (%) 0.00003
SOIC (D) 8 29.4 mm² 4.9 x 6 TO-CAN (LMC) 8 80.2816 mm² 8.96 x 8.96
  • Very low noise: 4.5nV/√Hz at 10kHz
  • Fast settling time:
    • OPA627: 550ns to 0.01%
    • OPA637: 450ns to 0.01%
  • Low VOS: 100µV maximum
  • Low drift: 0.8µV/°C maximum
  • Low IB: 5pA maximum
  • Gain options:
    • OPA627: Unity-gain stable
    • OPA637: Stable in gain ≥ 5
  • Very low noise: 4.5nV/√Hz at 10kHz
  • Fast settling time:
    • OPA627: 550ns to 0.01%
    • OPA637: 450ns to 0.01%
  • Low VOS: 100µV maximum
  • Low drift: 0.8µV/°C maximum
  • Low IB: 5pA maximum
  • Gain options:
    • OPA627: Unity-gain stable
    • OPA637: Stable in gain ≥ 5

The OPA627 and OPA637 (OPA6x7) operational amplifiers (op amps) provide a new level of performance in a precision FET operational amplifier. When compared to the popular OPA111 op amp, the OPA6x7 have lower noise, lower offset voltage, and higher speed. The OPA6x7 are useful in a broad range of precision and high-speed analog circuitry.

The OPA6x7 is fabricated on a high-speed, dielectrically-isolated, complementary NPN/PNP process. The OPA6x7 operate over a wide power-supply voltage range of ±4.5V to ±18V. Laser-trimmed input circuitry provides high accuracy and low-noise performance comparable with the best bipolar-input op amps.

High-frequency complementary transistors allow increased circuit bandwidth, attaining dynamic performance not possible with previous precision FET op amps. The OPA627 is unity-gain stable. The OPA637 is stable in gains ≥ 5.

State-of-the-art, precision FET transistors achieve extremely low input bias currents without compromising input voltage noise performance. Low input bias current is maintained over a wide input common-mode voltage range with unique cascode circuitry.

The OPA6x7 are available in SOIC-8 and TO-99 packages. Industrial temperature range models are available.

The OPA627 and OPA637 (OPA6x7) operational amplifiers (op amps) provide a new level of performance in a precision FET operational amplifier. When compared to the popular OPA111 op amp, the OPA6x7 have lower noise, lower offset voltage, and higher speed. The OPA6x7 are useful in a broad range of precision and high-speed analog circuitry.

The OPA6x7 is fabricated on a high-speed, dielectrically-isolated, complementary NPN/PNP process. The OPA6x7 operate over a wide power-supply voltage range of ±4.5V to ±18V. Laser-trimmed input circuitry provides high accuracy and low-noise performance comparable with the best bipolar-input op amps.

High-frequency complementary transistors allow increased circuit bandwidth, attaining dynamic performance not possible with previous precision FET op amps. The OPA627 is unity-gain stable. The OPA637 is stable in gains ≥ 5.

State-of-the-art, precision FET transistors achieve extremely low input bias currents without compromising input voltage noise performance. Low input bias current is maintained over a wide input common-mode voltage range with unique cascode circuitry.

The OPA6x7 are available in SOIC-8 and TO-99 packages. Industrial temperature range models are available.
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Documentación técnica

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* Data sheet OPA6x7 Precision, High-Speed JFET Operational Amplifiers datasheet (Rev. C) PDF | HTML 13 ene 2025

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje