Overview
The ADA4522-2ARMZ-R7 is a dual-channel, zero-drift operational amplifier produced by Analog Devices Inc. This device is designed for high precision and low noise applications, featuring ground sensing inputs and rail-to-rail outputs. It operates over a wide voltage range of 4.5 V to 55 V, making it versatile for various supply configurations including single-ended and dual supplies. The ADA4522-2ARMZ-R7 is optimized for total accuracy over time, temperature, and voltage conditions, making it suitable for amplifying very small input signals and accurately reproducing larger signals in a wide variety of applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADA4522-2ARMZ-R7 |
| Package / Case | MSOP-8 |
| Amplifier Type | Zero Drift Amplifier |
| Output Type | Rail-to-Rail |
| Number of Channels | 2 |
| GBP - Gain Bandwidth Product | 2.7 MHz |
| SR - Slew Rate | 1.8 V/us |
| Vos - Input Offset Voltage | 1.5 µV |
| Ib - Input Bias Current | 50 pA |
| Supply Voltage - Max | 55 V |
| Supply Voltage - Min | 4.5 V |
| Operating Supply Current | 830 µA (per channel) |
| Output Current per Channel | 14 mA |
| CMRR - Common Mode Rejection Ratio | 130 dB |
| en - Input Voltage Noise Density | 5.8 nV/sqrt Hz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
Key Features
- Zero-drift architecture for high accuracy over time, temperature, and voltage conditions.
- Low noise and low input bias current.
- Rail-to-rail output and ground sensing inputs.
- High immunity to electromagnetic interference (EMI) due to on-chip filtering.
- Wide operating voltage range from 4.5 V to 55 V, suitable for various supply configurations.
- High open-loop gain and very low DC and AC errors.
- Compact MSOP-8 package for surface mount applications.
Applications
- Amplifying very small input signals and accurately reproducing larger signals.
- Instrumentation amplifiers, such as in load cell and strain gauge applications.
- Low-side current sensing circuits.
- Difference amplifiers with high gain requirements.
- Medical and industrial applications requiring high precision and low noise.
- General-purpose amplification in various electronic systems.
Q & A
- What is the ADA4522-2ARMZ-R7?
The ADA4522-2ARMZ-R7 is a dual-channel, zero-drift operational amplifier produced by Analog Devices Inc.
- What is the operating voltage range of the ADA4522-2ARMZ-R7?
The device operates over a voltage range of 4.5 V to 55 V.
- What is the gain bandwidth product of the ADA4522-2ARMZ-R7?
The gain bandwidth product is 2.7 MHz.
- What is the input offset voltage of the ADA4522-2ARMZ-R7?
The input offset voltage is 1.5 µV.
- What is the slew rate of the ADA4522-2ARMZ-R7?
The slew rate is 1.8 V/us.
- What is the common mode rejection ratio (CMRR) of the ADA4522-2ARMZ-R7?
The CMRR is 130 dB.
- What are the typical applications of the ADA4522-2ARMZ-R7?
Typical applications include instrumentation amplifiers, low-side current sensing, difference amplifiers, and medical and industrial applications requiring high precision and low noise.
- What package type is the ADA4522-2ARMZ-R7 available in?
The device is available in an MSOP-8 package.
- What is the operating temperature range of the ADA4522-2ARMZ-R7?
The device operates over a temperature range of -40°C to +125°C.
- Does the ADA4522-2ARMZ-R7 have EMI protection?
Yes, the device features on-chip filtering to achieve high immunity to electromagnetic interference (EMI).
