Overview
The OP777ARZ-REEL7, produced by Analog Devices Inc., is a precision micropower single-supply operational amplifier. This device is part of the OP777 series, which includes single, dual, and quad rail-to-rail output amplifiers. The OP777ARZ-REEL7 is specifically designed for single-supply operation, offering improved performance over traditional industry-standard amplifiers like the OP07, especially in terms of micropower consumption and rail-to-rail output ranges. It is available in an 8-lead SOIC package and is suitable for a wide range of applications, including line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters.
Key Specifications
| Parameter | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 30 | 160 | 300 | μV |
| Input Bias Current | IB | 5 | - | 10 | nA |
| Input Offset Current | IOS | 0.1 | - | 2 | nA |
| Input Voltage Range | - | -15 | 14 | V | |
| Common-Mode Rejection Ratio | CMRR | 110 | - | 120 | dB |
| Large Signal Voltage Gain | AVO | 1000 | - | 2500 | V/mV |
| Output Voltage High | VOH | 4.88 | - | 4.91 | V |
| Output Voltage Low | VOL | 126 | - | 140 | mV |
| Supply Current per Amplifier | ISY | 220 | - | 320 | μA |
| Operating Temperature Range | - | -40 | - | 85 | °C |
Key Features
- Micropower Operation: The OP777ARZ-REEL7 operates with a supply current of less than 300 μA per amplifier at 5 V, making it suitable for battery-powered and low-power applications.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output ranges, ensuring that the output voltage can swing close to the supply rails.
- High Input Impedance: Protected by 500 Ω series resistors, the inputs can handle signal levels several volts above the positive supply without phase reversal.
- Stable with Capacitive Loads: The amplifier is stable with capacitive loads of over 500 pF, which is beneficial for applications requiring filtering or buffering.
- Extended Industrial Temperature Range: Specified over the extended industrial temperature range of –40°C to +85°C, making it suitable for a wide range of environmental conditions).
Applications
- Line-Powered and Portable Instrumentation: Ideal for both line-powered and portable instrumentation due to its low power consumption and single-supply operation).
- Remote Sensor Signal Conditioning: Suitable for conditioning signals from remote sensors, ensuring accurate and reliable signal transmission).
- Precision Filters: Can be used in precision filter circuits due to its high accuracy and stability).
- General Purpose Amplification: Applicable in various general-purpose amplification tasks requiring high precision and low power consumption).
Q & A
- What is the typical supply current of the OP777ARZ-REEL7?
The typical supply current of the OP777ARZ-REEL7 is less than 300 μA per amplifier at 5 V).
- What is the input voltage range of the OP777ARZ-REEL7?
The input voltage range is from –15 V to +14 V).
- Is the OP777ARZ-REEL7 stable with capacitive loads?
Yes, the amplifier is stable with capacitive loads of over 500 pF).
- What is the operating temperature range of the OP777ARZ-REEL7?
The operating temperature range is from –40°C to +85°C).
- What are the common applications of the OP777ARZ-REEL7?
Common applications include line-powered and portable instrumentation, remote sensor signal conditioning, and precision filters).
- What package types are available for the OP777ARZ-REEL7?
The OP777ARZ-REEL7 is available in an 8-lead SOIC package).
- How does the OP777ARZ-REEL7 handle overvoltage at the inputs?
The inputs are protected by 500 Ω series resistors, allowing input signal levels several volts above the positive supply without phase reversal).
- What is the common-mode rejection ratio (CMRR) of the OP777ARZ-REEL7?
The CMRR is 110 dB to 120 dB).
- What is the large signal voltage gain of the OP777ARZ-REEL7?
The large signal voltage gain is 1000 V/mV to 2500 V/mV).
- Is the OP777ARZ-REEL7 suitable for high-precision applications?
Yes, it is suitable for high-precision applications due to its low offset voltage and high CMRR).
