Overview
The OP777AR is a precision micropower single-supply operational amplifier produced by Analog Devices Inc. This amplifier is part of the OP777, OP727, and OP747 family, which includes single, dual, and quad rail-to-rail output configurations. The OP777AR is designed for high-performance amplification and filtering of low-frequency signals, offering low offset voltage, low input bias current, and micropower operation. It is suitable for a wide range of applications, including data acquisition systems, industrial control systems, and test equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage (VOS) | 30 - 100 | μV |
| Input Bias Current (IB) | 5 - 10 | nA |
| Supply Current per Amplifier (ISY) | 220 - 320 | μA |
| Output Voltage High (VOH) | 4.88 - 4.91 | V |
| Output Voltage Low (VOL) | 126 - 140 | mV |
| Slew Rate (SR) | 0.2 | V/μs |
| Gain Bandwidth Product (GBP) | 0.7 | MHz |
| Power Supply Rejection Ratio (PSRR) | 120 - 130 | dB |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- General Purpose Amplifier with Rail-to-Rail Output
- Single Circuit Design
- Low Offset Voltage: 30 μV Max
- Low Input Bias Current: 5 nA Max
- Micropower Operation: 300 μA Supply Current per Amplifier
- Unity Gain Stable with No Phase Reversal
- Stable with Capacitive Loads of over 500 pF
- High Common-Mode Rejection Ratio (CMRR): 110 dB
- Low Noise Performance: 15 nV/√Hz Voltage Noise Density
Applications
- Data Acquisition Systems
- Industrial Control Systems
- Test Equipment
- Medical Devices
- Automotive Systems
- Current Sensing (Shunt)
- Line or Battery-Powered Instrumentation
- Remote Sensor Signal Conditioning
- Precision Filters
Q & A
- Q: What is the input offset voltage of the OP777AR?
A: The input offset voltage of the OP777AR is 30 μV to 100 μV.
- Q: What is the supply current per amplifier for the OP777AR?
A: The supply current per amplifier for the OP777AR is 220 μA to 320 μA.
- Q: What is the slew rate of the OP777AR?
A: The slew rate of the OP777AR is 0.2 V/μs.
- Q: What is the operating temperature range of the OP777AR?
A: The operating temperature range of the OP777AR is -40°C to +85°C.
- Q: What are the typical applications of the OP777AR?
A: The OP777AR is typically used in data acquisition systems, industrial control systems, test equipment, medical devices, and automotive systems.
- Q: Does the OP777AR support rail-to-rail output?
A: Yes, the OP777AR supports rail-to-rail output.
- Q: What is the common-mode rejection ratio (CMRR) of the OP777AR?
A: The CMRR of the OP777AR is 110 dB.
- Q: How stable is the OP777AR with capacitive loads?
A: The OP777AR is stable with capacitive loads of over 500 pF.
- Q: What is the warranty period for the OP777AR-REEL from Ovaga?
A: Ovaga offers a 1-year warranty for the OP777AR-REEL.
- Q: How can I ensure the authenticity of the OP777AR-REEL from Analog Devices?
A: Ovaga rigorously tests and verifies the credentials of original Analog Devices manufacturers and authorized agents to ensure authenticity.
