OP177:  Ultra-Precision Operational Amplifier

The OP-177 features the highest precision performance of any op amp currently available. Offset voltage of the OP-177 is only 10µV typical, 25µV MAX over room temp. The ultra-low VOS of the OP-177 ...More

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OP177:  Ultra-Precision Operational Amplifier

Product Description

The OP-177 features the highest precision performance of any op amp currently available. Offset voltage of the OP-177 is only 10µV typical, 25µV MAX over room temp. The ultra-low VOS of the OP-177 combines with its exceptional offset voltage drift (TCVOS) of 0.1µV/°C typical, 0.3µV/°C MAX, to eliminate the need for external VOS adjustment and increases system accuracy over temperature.

The OP-177's open-loop gain of 12V/µV typical is maintained over the full ±10V output range. CMRR of 130dB MIN, PSRR of 115dB MIN, and maximum supply current of 2mA are just a few examples of the excellent performance of this operational amplifier. The OP-177's combination of outstanding specifications insures accurate performance in high closed-loop gain applications. This low noise bipolar input op amp is also a cost effective alternative to chopper stabilized amplifiers. The OP-177 provides chopper-type performance without the usual problems of high noise, low-frequency chopper spikes, large physical size limited common-mode input voltage range, and bulky external storage capacitors.

The OP-177 is offered at -40°C to +85°C extended industrial temperature ranges. This product is available in 8-pin epoxy DIP's, as well as the space saving 8-pin Small Outline (SO).

Features

  • Ultralow Offset Voltage:TA = 25°C: 25 µV Max
  • Outstanding Offset Voltage Drift:0.3 µV/°C Max
  • Excellent Open-Loop Gain and Gain Linearity: 12 V/µV Typ
  • CMRR: 130 dB Min
  • PSRR: 115 dB Min
  • Low Supply Current: 2.0 mA Max
  • Fits Industry Standard Precision Op Amp
    Sockets (OP07/OP77)

Verified Circuits Using This Part

Verified Circuits are designed for ease of use and proven to work by ADI applications engineers. To learn more about Verified Circuits from ADI, please visit Verified Circuits Home.

Circuit Diagram

Diagrams

OP177 Diagram
Functional Block Diagram for OP177

Specifications

-3dB Bandwidth 0.6MHz
Slew Rate 0.3V/µs
Vos 10µV
Ib 1.2nA
Input Noise (nV/rtHz) 11nV/rtHz
Vcc-Vee Supply (V) 6 to 36
Iq per Amplifier (max) 2mA
# OpAmps per Pkg 1
Operating Temp Range -40 to +85
Packages DIP,SOIC

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Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
OP177 600KHz 300mV/µs 10µV 1.2nA 11nV/rtHz 1 -40 to +85
AD8675 10MHz 2.5V/µs 10µV 500pA 2.8nV/rtHz 1 -40 to +125
OP07 600KHz 300mV/µs 30µV 1nA 9.6nV/rtHz 1 -40 to +85
AD8510 8MHz 20V/µs 80µV 21pA 7.6nV/rtHz 1 -40 to +85
AD8067 54MHz 640V/µs 200µV 600fA 6.6nV/rtHz 1 -40 to +85
AD8033 80MHz 80V/µs 1mV 1.5pA 11nV/rtHz 1 -40 to +85
AD8065