Overview
The ADA4523-1BRMZ is a high-voltage, low-noise, zero-drift operational amplifier (op amp) produced by Analog Devices Inc. This device is designed to offer precision DC performance over a wide supply range, making it suitable for various high-precision applications. The ADA4523-1BRMZ features self-calibrating circuitry that ensures low offset voltage and drift, as well as high immunity to electromagnetic interference (EMI).
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | VS | 4.5 | - | 36 | V |
| Offset Voltage | VOS | - | - | ±4 µV | µV |
| Offset Voltage Drift | TCVOS | - | - | 0.01 µV/°C | µV/°C |
| Input Noise Voltage (0.1 Hz to 10 Hz) | en | - | - | 88 nV p-p | nV p-p |
| Spectral Density Voltage at 1 kHz | en | - | 4.2 | - | nV/√Hz |
| Power Supply Rejection Ratio (PSRR) | PSRR | 140 | 168 | - | dB |
| Common-Mode Rejection Ratio (CMRR) | CMRR | - | 160 | - | dB |
| Gain Bandwidth Product | GBP | - | 5 | - | MHz |
| Slew Rate (Rising/Falling) | SRRISE/SRFALL | 1.85/1.8 | - | - | V/µs |
| Internal Chopping Frequency | fC | - | 330 | - | kHz |
| Supply Current per Amplifier | IS | 4.5 | 4.8 | - | mA |
Key Features
- Wide Supply Range: Operates from 4.5 V to 36 V, making it versatile for various applications.
- Low Noise and Offset: Features a low offset voltage of ±4 µV and an offset voltage drift of 0.01 µV/°C, ensuring high precision.
- High Immunity to EMI: On-chip filtering provides high immunity to electromagnetic interference.
- High PSRR and CMRR: Offers a power supply rejection ratio (PSRR) of 168 dB and a common-mode rejection ratio (CMRR) of 160 dB, enhancing the signal integrity.
- High Dynamic Range: Suitable for high dynamic range test, measurement, and instrumentation systems due to its low noise and high rejection ratios.
Applications
- High-Precision Instrumentation: Ideal for applications requiring precise DC performance, such as in test and measurement equipment.
- Medical Devices: Suitable for medical devices that require low noise and high accuracy, such as in medical imaging and diagnostic equipment.
- Industrial Automation: Used in industrial automation systems where high precision and reliability are crucial.
- Aerospace and Defense: Applicable in aerospace and defense systems that demand high performance and reliability under various environmental conditions.
Q & A
- What is the supply voltage range of the ADA4523-1BRMZ?
The ADA4523-1BRMZ operates from 4.5 V to 36 V.
- What is the offset voltage of the ADA4523-1BRMZ?
The offset voltage is ±4 µV maximum at 5 V.
- What is the offset voltage drift of the ADA4523-1BRMZ?
The offset voltage drift is 0.01 µV/°C maximum at 5 V.
- What is the input noise voltage of the ADA4523-1BRMZ from 0.1 Hz to 10 Hz?
The input noise voltage is 88 nV p-p typical from 0.1 Hz to 10 Hz.
- What is the spectral density voltage at 1 kHz for the ADA4523-1BRMZ?
The spectral density voltage at 1 kHz is 4.2 nV/√Hz typical.
- What are the PSRR and CMRR values for the ADA4523-1BRMZ?
The PSRR is 168 dB and the CMRR is 160 dB.
- What is the gain bandwidth product of the ADA4523-1BRMZ?
The gain bandwidth product is 5 MHz.
- What is the slew rate of the ADA4523-1BRMZ?
The slew rate is 1.85 V/µs rising and 1.8 V/µs falling.
- What is the internal chopping frequency of the ADA4523-1BRMZ?
The internal chopping frequency is 330 kHz.
- What are typical applications for the ADA4523-1BRMZ?
Typical applications include high-precision instrumentation, medical devices, industrial automation, and aerospace and defense systems.
