Overview
The AD822BRZ-REEL7, produced by Analog Devices Inc., is a dual precision, low power FET input operational amplifier. This device is designed to operate from a single supply of 5 V to 30 V or from dual supplies of ±2.5 V to ±15 V. It features true single-supply capability, allowing it to accommodate input signals below ground in single-supply mode. The AD822 is known for its high precision, low power consumption, and robust performance characteristics, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 5 | - | 30 | V |
| Dual Supply Voltage Range | ±2.5 | - | ±15 | V |
| Input Voltage Range | -0.2 | - | +4 | V |
| Common-Mode Rejection Ratio (CMRR) | 66 | 80 | - | dB |
| Input Impedance (Differential) | 10^13 || 0.5 | - | - | Ω || pF |
| Input Bias Current | 2 | 25 | - | pA |
| Offset Voltage | 0.4 | 1.5 | - | mV |
| Offset Voltage Drift | 2 | - | - | µV/°C |
| Unity-Gain Bandwidth | - | 1.8M | - | Hz |
| Slew Rate | - | 3 | - | V/µs |
| Supply Current per Amplifier | - | 900µ | - | A |
Key Features
- True single-supply capability with input voltage range extending below the negative rail.
- Low power consumption with a supply current of 900 µA per amplifier.
- High precision with an offset voltage of 1.5 mV maximum and an offset voltage drift of 2 µV/°C.
- Low input bias currents below 25 pA.
- High common-mode rejection ratio (CMRR) of up to 80 dB.
- High unity-gain bandwidth of 1.8 MHz and a slew rate of 3 V/µs.
- Available in various package types including PDIP, MSOP, and SOIC_N.
Applications
- Industrial control systems requiring high precision and low power consumption.
- Medical devices where low noise and high accuracy are crucial.
- Aerospace and defense applications needing robust and reliable operational amplifiers.
- Automotive systems that require operation over a wide temperature range.
- Test and measurement equipment where precision and stability are essential.
Q & A
- What is the supply voltage range for the AD822BRZ-REEL7?
The AD822BRZ-REEL7 can operate from a single supply of 5 V to 30 V or from dual supplies of ±2.5 V to ±15 V.
- What is the input voltage range for the AD822BRZ-REEL7?
The input voltage range extends below the negative rail, allowing for input signals below ground in single-supply mode, and up to +4 V.
- What is the typical unity-gain bandwidth of the AD822BRZ-REEL7?
The typical unity-gain bandwidth is 1.8 MHz.
- What is the slew rate of the AD822BRZ-REEL7?
The slew rate is 3 V/µs.
- What is the maximum offset voltage of the AD822BRZ-REEL7?
The maximum offset voltage is 1.5 mV).
- What is the typical supply current per amplifier for the AD822BRZ-REEL7?
The typical supply current per amplifier is 900 µA).
- What are the available package types for the AD822BRZ-REEL7?
The AD822 is available in PDIP, MSOP, and SOIC_N package types).
- What is the common-mode rejection ratio (CMRR) of the AD822BRZ-REEL7?
The CMRR is up to 80 dB).
- What are some typical applications for the AD822BRZ-REEL7?
Typical applications include industrial control systems, medical devices, aerospace and defense, automotive systems, and test and measurement equipment).
- What is the temperature range for the AD822BRZ-REEL7?
The AD822 is rated over the industrial temperature range of −40°C to +85°C).
