Overview
The OP2177AR is a precision operational amplifier produced by Analog Devices Inc. It is part of the OPx177 family, known for its high precision, low noise, and low input bias current characteristics. This amplifier is ideal for precision analog signal processing applications, offering high accuracy and stability. It features low offset voltage and drift, high input impedance, and low noise, making it suitable for demanding circuit designs such as audio signal processing and high-fidelity audio applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 Channel |
| GBP - Gain Bandwidth Product | 1.3 MHz |
| SR - Slew Rate | 700 mV/us |
| CMRR - Common Mode Rejection Ratio | 118 dB |
| Output Current per Channel | 10 mA |
| Vos - Input Offset Voltage | 25 μV |
| en - Input Voltage Noise Density | 7.9 nV/sqrt Hz |
| Supply Voltage - Max | ±15 V |
| Supply Voltage - Min | ±2.5 V |
| Operating Supply Current | 500 μA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-8 |
Key Features
- Low offset voltage: 60 μV maximum
- Very low offset voltage drift: 0.7 μV/°C maximum
- Low input bias current: 2 nA maximum
- Low noise: 8 nV/√Hz typical
- High CMRR, PSRR, and AVO: > 120 dB minimum
- Low supply current: 400 μA to 500 μA per amplifier
- Dual supply operation: ±2.5 V to ±15 V
- No phase reversal inputs, internally protected beyond supply voltage
- Unity gain stable, no shutdown feature
Applications
- Wireless base station control circuits
- Optical network control circuits
- Instrumentation sensors and controls (thermocouples, RTDs, strain bridges)
- Shunt current measurements
- Precision filters
- Line-powered and portable instrumentation and controls
- Audio signal processing and high-fidelity audio applications
Q & A
- Q: What is the typical offset voltage of the OP2177AR?
A: The OP2177AR features a low offset voltage typically in the range of a few microvolts, specifically 25 μV.
- Q: Is the OP2177AR suitable for audio signal processing applications?
A: Yes, the OP2177AR's low noise and high precision characteristics make it suitable for audio signal processing and high-fidelity audio applications.
- Q: What is the operating temperature range of the OP2177AR?
A: The OP2177AR operates within a temperature range of -40°C to +125°C.
- Q: What is the supply voltage range for the OP2177AR?
A: The OP2177AR can operate with a dual supply voltage range of ±2.5 V to ±15 V.
- Q: What is the input bias current of the OP2177AR?
A: The input bias current of the OP2177AR is 2 nA maximum.
- Q: What is the slew rate of the OP2177AR?
A: The slew rate of the OP2177AR is 700 mV/us.
- Q: What is the gain bandwidth product (GBP) of the OP2177AR?
A: The GBP of the OP2177AR is 1.3 MHz.
- Q: Is the OP2177AR unity gain stable?
A: Yes, the OP2177AR is unity gain stable.
- Q: What is the common-mode rejection ratio (CMRR) of the OP2177AR?
A: The CMRR of the OP2177AR is 118 dB minimum.
- Q: What is the package type of the OP2177AR?
A: The OP2177AR comes in an 8-lead SOIC package).
