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OP177: Ultraprecision Operational Amplifier Data Sheet (Rev. H)10/10/2002PDF342 K
Alternative Parts
Overview
Features and Benefits
- Ultralow offset voltage
- TA = 25°C, 25 μV maximum
- Outstanding offset voltage drift 0.3 μV/°C maximum
- Excellent open-loop gain and gain linearity
- 12 V/μV typical
- CMRR: 130 dB minimum
- PSRR: 115 dB minimum
- Low supply current 2.0 mA maximum
- Fits industry-standard precision operational amplifier sockets
Product Details
The OP177 features one of the highest precision performance of any operational amplifier currently available. Offset voltage of the OP177 is only 25 μV maximum at room temperature. The ultralow VOS of the OP177 combines with the exceptional offset voltage drift (TCVOS) of 0.3 μV/°C maximum to eliminate the need for external VOS adjustment and increases system accuracy over temperature.
The OP177 open-loop gain of 12 V/μV is maintained over the full ±10 V output range. CMRR of 130 dB minimum, PSRR of 120 dB minimum, and maximum supply current of 2 mA are just a few examples of the excellent performance of this operational amplifier. The combination of outstanding specifications of the OP177 ensures accurate performance in high closed-loop gain applications.
This low noise, bipolar input operational amplifier is also a cost effective alternative to chopper-stabilized amplifiers. The OP177 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 OP177 is offered in the −40°C to +85°C extended industrial temperature ranges. This product is available in 8-lead PDIP, as well as the space saving 8-lead SOIC.
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Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
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FAQs7/26/2017
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Difference Amplifier Forms Heart of Precision Current Source9/1/2009 Analog Dialogue
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High-Voltage Monitor Features High Accuracy8/19/2002
Tools & Simulations
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Models for the following parts are available in LTspice:
OP177A
Design Resources
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| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| OP177FPZ | Material Declaration | Reliability Data | 8-Lead PDIP | |
| OP177FSZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| OP177FSZ-REEL | Material Declaration | Reliability Data | 8-Lead SOIC | |
| OP177FSZ-REEL7 | Material Declaration | Reliability Data | 8-Lead SOIC | |
| OP177GPZ | Material Declaration | Reliability Data | 8-Lead PDIP | |
| OP177GSZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| OP177GSZ-REEL | Material Declaration | Reliability Data | 8-Lead SOIC | |
| OP177GSZ-REEL7 | Material Declaration | Reliability Data | 8-Lead SOIC | |
| Wafer Fabrication Data |
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.