Overview
The ADA4522-2ARMZ is a dual-channel, precision operational amplifier manufactured by Analog Devices Inc. This device is part of the ADA4522 series, which includes single, dual, and quad-channel zero-drift op amps. The ADA4522-2ARMZ is designed for high accuracy and stability, making it suitable for precision instrumentation, medical, and automotive applications. It features low offset voltage, low input bias current, and low noise performance, ensuring faithful amplification of even the smallest input signals without distortion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 Channel |
| GBP - Gain Bandwidth Product | 2.7 MHz |
| SR - Slew Rate | 1.8 V/us |
| Vos - Input Offset Voltage | 700 nV |
| Current - Input Bias | 50 pA |
| Max Supply Voltage | 55 V |
| Supply Voltage - Min | 4.5 V |
| Current @ Pmpp | 830 uA |
| Load Current | 14 mA |
| CMRR - Common Mode Rejection Ratio | 130 dB |
| Input Voltage Noise Density | 5.8 nV/sqrt Hz |
| Mounting Style | SMD/SMT |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +125 |
Key Features
- Fast Settling Time: Ensures rapid response to input changes.
- Low Distortion and Noise: Provides high fidelity amplification of input signals.
- Economical and Efficient Design: Optimized for low power consumption.
- Wide Range of Operating Temperatures: Fully specified over the extended industrial temperature range of -40°C to +125°C.
- High Common Mode Rejection Ratio (CMRR): 130 dB, ensuring high immunity to common-mode noise.
- Integrated EMI Filters: Enhances immunity to electromagnetic interference (EMI).
- Rail-to-Rail Output: Allows the output to swing from the negative to the positive supply rail.
- Zero Drift: Maintains accuracy over time, temperature, and voltage fluctuations.
Applications
- Precision Instrumentation: Suitable for applications requiring high accuracy and resolution, such as test and measurement equipment and data acquisition systems.
- Industrial Control Systems: Used in process control and industrial automation.
- Medical Devices: Ideal for medical equipment that requires precise signal conditioning.
- Automotive Electronics: Used in various automotive applications due to its wide temperature range and high reliability.
- LCR Meter Front-End: Suitable for precision measurement in LCR meters.
- Shunt Current Sensing: Used in current sensing applications with high accuracy requirements.
- Load Cell/Strain Gage Sensor Signal Conditioning: Amplifies low-level signals from load cells and strain gages with high gain and accuracy.
Q & A
- What is the ADA4522-2ARMZ operational amplifier?
The ADA4522-2ARMZ is a dual-channel, precision operational amplifier designed for high accuracy and stability in various applications, including precision instrumentation, medical, and automotive electronics.
- What are the key features of the ADA4522-2ARMZ?
Key features include low offset voltage, low input bias current, low noise performance, high common-mode rejection ratio, and a wide range of operating temperatures.
- What is the maximum supply voltage for the ADA4522-2ARMZ?
The maximum supply voltage is 55 V, with a minimum supply voltage of 4.5 V.
- What is the operating temperature range of the ADA4522-2ARMZ?
The device operates over an extended industrial temperature range of -40°C to +125°C.
- What is the gain bandwidth product (GBP) of the ADA4522-2ARMZ?
The GBP is 2.7 MHz.
- Can the ADA4522-2ARMZ drive capacitive loads?
The ADA4522-2ARMZ can safely drive capacitive loads of up to 250 pF. Driving larger capacitive loads may cause excessive overshoot and ringing.
- What is the common-mode rejection ratio (CMRR) of the ADA4522-2ARMZ?
The CMRR is 130 dB.
- Does the ADA4522-2ARMZ have integrated EMI filters?
Yes, the ADA4522-2ARMZ has integrated EMI filters at its input stage to enhance immunity to electromagnetic interference.
- What are some common applications of the ADA4522-2ARMZ?
Common applications include precision instrumentation, industrial control systems, medical devices, automotive electronics, LCR meter front-end, and shunt current sensing.
- What is the MSL rating for the ADA4522-2ARMZ?
The MSL (Moisture Sensitivity Level) rating for the ADA4522-2ARMZ is 1.
