Overview
The OP1177AR-REEL, produced by Analog Devices Inc., is a high-precision, low-noise operational amplifier. It is part of the OPx177 family, which represents the fourth generation of Analog Devices' industry-standard OP07 amplifier family. This amplifier is known for its extremely low offset voltage, low input bias current, and low noise, making it ideal for precision applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 15 | - | 60 | μV |
| Input Bias Current | IB | -2 | 0.5 | 2 | nA |
| Input Offset Current | IOS | -1 | 0.2 | 1 | nA |
| Input Voltage Range | - | -3.5 | - | 3.5 | V |
| Common-Mode Rejection Ratio | CMRR | 120 | 126 | - | dB |
| Large Signal Voltage Gain | AVO | 1000 | 2000 | - | V/mV |
| Offset Voltage Drift | ΔVOS/ΔT | 0.2 | 0.7 | - | μV/°C |
| Output Voltage High | VOH | - | - | 4.1 | V |
| Output Voltage Low | VOL | -4.1 | - | - | V |
| Output Current | IOUT | - | - | ±10 | mA |
| Power Supply Rejection Ratio | PSRR | 120 | 130 | - | dB |
| Supply Current per Amplifier | ISY | 400 | 500 | - | μA |
| Slew Rate | SR | - | - | 0.7 | V/μs |
| Gain Bandwidth Product | GBP | - | - | 1.3 | MHz |
| Voltage Noise Density | en | - | - | 8.5 | nV/√Hz |
Key Features
- High precision with very low offset voltage (maximum 60 μV) and low offset voltage drift (maximum 0.7 μV/°C).
- Low input bias current (maximum 2 nA) and low input offset current (maximum 1 nA).
- Low noise performance with a voltage noise density of 8.5 nV/√Hz.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) greater than 120 dB.
- Low supply current per amplifier (400 μA to 500 μA).
- Dual supply operation with a range of ±2.5 V to ±15 V.
- Unity-gain stable and no phase reversal.
- Internally protected inputs beyond supply voltage.
Applications
- Wireless base station control circuits.
- Optical network control circuits.
- Instrumentation and sensors.
- Thermocouples and resistor thermal detectors (RTDs).
- Strain bridges and shunt current measurements.
- Precision filters.
- Line-powered and portable instrumentation.
Q & A
- What is the maximum offset voltage of the OP1177AR-REEL? The maximum offset voltage is 60 μV.
- What is the input bias current of the OP1177AR-REEL? The input bias current is a maximum of 2 nA.
- What is the common-mode rejection ratio (CMRR) of the OP1177AR-REEL? The CMRR is greater than 120 dB.
- What is the power supply rejection ratio (PSRR) of the OP1177AR-REEL? The PSRR is greater than 120 dB.
- What is the slew rate of the OP1177AR-REEL? The slew rate is 0.7 V/μs.
- What is the gain bandwidth product (GBP) of the OP1177AR-REEL? The GBP is 1.3 MHz.
- What are the typical applications of the OP1177AR-REEL? Typical applications include wireless base station control circuits, optical network control circuits, instrumentation, and precision filters.
- What is the operating temperature range of the OP1177AR-REEL? The operating temperature range is from -40°C to +125°C.
- What are the package options for the OP1177AR-REEL? The OP1177AR-REEL is available in 8-Lead SOIC and 8-Lead MSOP packages.
- Is the OP1177AR-REEL unity-gain stable? Yes, the OP1177AR-REEL is unity-gain stable and does not exhibit phase reversal.
