Overview
The ADA4622-2ARMZ-R7 is a precision operational amplifier produced by Analog Devices Inc. This dual-channel amplifier is part of the next generation of single-supply, rail-to-rail output (RRO) precision amplifiers, offering significant improvements over its predecessors such as the AD820 and AD822. It is designed for low-power applications requiring high input common-mode voltage range and is available in an 8-lead MSOP package.
The ADA4622-2ARMZ-R7 operates over a wide voltage range of 5V to 30V, making it versatile for various applications. It features low bias current, high common-mode rejection ratio (CMRR), and excellent power supply rejection ratio (PSRR), making it suitable for noninverting gain and difference amplifier configurations.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Number of Channels | - | - | 2 | - | - |
| Gain Bandwidth Product | GBP | - | 8 | - | MHz |
| Slew Rate | SR | - | 23 | - | V/µs |
| Common Mode Rejection Ratio | CMRR | 84 | - | - | dB |
| Output Current per Channel | IOUT | - | 20 | - | mA |
| Input Bias Current | Ib | - | 2 | - | pA |
| Input Offset Voltage | Vos | - | 40 | - | µV |
| Supply Voltage - Min | VSY Min | 4.5 | - | - | V |
| Supply Voltage - Max | VSY Max | - | - | 30 | V |
| Operating Supply Current | ISY | - | 665 | - | µA |
| Minimum Operating Temperature | Tmin | -40 | - | - | °C |
| Maximum Operating Temperature | Tmax | - | - | 125 | °C |
| Package / Case | - | - | MSOP-8 | - | - |
Key Features
- Low Bias Current: The ADA4622-2ARMZ-R7 features an extremely low input bias current of 2 pA, making it ideal for applications where minimal current draw is critical.
- High CMRR and PSRR: With a common-mode rejection ratio (CMRR) of 84 dB and a power supply rejection ratio (PSRR) of up to 103 dB, this amplifier provides excellent noise rejection and stability.
- Rail-to-Rail Output: The amplifier offers rail-to-rail output, allowing it to drive loads connected to the supply rails, which is beneficial in single-supply applications.
- Wide Supply Voltage Range: It operates over a wide supply voltage range of 5V to 30V, making it versatile for various power supply configurations.
- High Slew Rate and Gain Bandwidth Product: The slew rate of 23 V/µs and a gain bandwidth product of 8 MHz ensure high-speed performance and stability in dynamic applications.
- Extended Industrial Temperature Range: The amplifier is specified for operation over an extended industrial temperature range of -40°C to +125°C, making it suitable for harsh environments.
Applications
- Industrial Automation: The ADA4622-2ARMZ-R7 is suitable for industrial automation systems where precision and stability are crucial.
- Medical Devices: Its low noise and high accuracy make it a good fit for medical devices that require precise signal processing.
- Aerospace and Defense: The amplifier's ability to operate over a wide temperature range and its robust performance characteristics make it suitable for aerospace and defense applications.
- Instrumentation and Test Equipment: It is used in various instrumentation and test equipment where high precision and low noise are required.
- Automotive Systems: The ADA4622-2ARMZ-R7 can be used in automotive systems that require high reliability and performance over a wide temperature range.
Q & A
- What is the package type of the ADA4622-2ARMZ-R7?
The ADA4622-2ARMZ-R7 is available in an 8-lead MSOP package.
- What is the supply voltage range of the ADA4622-2ARMZ-R7?
The supply voltage range is from 5V to 30V.
- What is the slew rate of the ADA4622-2ARMZ-R7?
The slew rate is 23 V/µs.
- What is the gain bandwidth product of the ADA4622-2ARMZ-R7?
The gain bandwidth product is 8 MHz.
- What is the input bias current of the ADA4622-2ARMZ-R7?
The input bias current is 2 pA.
- What is the common-mode rejection ratio (CMRR) of the ADA4622-2ARMZ-R7?
The CMRR is 84 dB.
- What is the power supply rejection ratio (PSRR) of the ADA4622-2ARMZ-R7?
The PSRR is up to 103 dB.
- What is the operating temperature range of the ADA4622-2ARMZ-R7?
The operating temperature range is from -40°C to +125°C.
- Is the ADA4622-2ARMZ-R7 RoHS compliant?
Yes, the ADA4622-2ARMZ-R7 is RoHS compliant.
- What are some typical applications of the ADA4622-2ARMZ-R7?
Typical applications include industrial automation, medical devices, aerospace and defense, instrumentation and test equipment, and automotive systems.
