Overview
The ADA4523-1BRZ from Analog Devices Inc. is a high-voltage, low-noise, zero-drift operational amplifier designed to offer precise DC performance across a wide supply range of 4.5 V to 36 V. This op-amp is distinguished by its low offset voltage, low noise, and high immunity to electromagnetic interference (EMI), making it suitable for high dynamic range test, measurement, and instrumentation systems.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Supply Voltage Range | - | - | 4.5 V | - | 36 V | V |
| Offset Voltage | Vos | At 5 V | - | ±4 µV | - | µV |
| Offset Voltage Drift | TCVos | At 5 V | - | 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 | - | nV/√Hz |
| Power Supply Rejection Ratio (PSRR) | PSRR | VS = 4.5 V to 36 V | 140 dB | 168 dB | - | dB |
| Common-Mode Rejection Ratio (CMRR) | CMRR | - | - | 160 dB | - | dB |
| Gain Bandwidth Product | GBP | - | - | 5 MHz | - | MHz |
| Slew Rate (Rising/Falling) | SRRISE/SRFALL | AV = −1, RL = 10 kΩ | 1.85 V/µs / 1.8 V/µs | - | V/µs | |
| Supply Current per Amplifier | IS | - | 4.5 mA | 4.8 mA | - | mA |
| Operating Temperature | - | - | -40°C | - | 125°C | °C |
| Package | - | - | - | - | 8-SOIC | - |
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 low input noise voltage of 88 nV p-p from 0.1 Hz to 10 Hz.
- Zero Drift: Self-calibrating circuitry ensures low offset voltage drift with temperature (0.01 µV/°C) and zero drift over time.
- High Immunity to EMI: On-chip filtering provides high immunity to electromagnetic interference.
- High PSRR and CMRR: Offers 168 dB PSRR and 160 dB CMRR, ensuring high dynamic range performance.
- Rail-to-Rail Output: Supports rail-to-rail output, enhancing the operational range.
- High Slew Rate: Slew rate of 1.85 V/µs (rising) and 1.8 V/µs (falling).
Applications
- Test and Measurement Systems: Ideal for high dynamic range test and measurement applications due to its low noise and high precision.
- Instrumentation Systems: Suitable for instrumentation systems requiring high accuracy and stability.
- Industrial Automation: Can be used in industrial automation where precise signal processing is necessary.
- Medical Devices: Applicable in medical devices that require low noise and high precision amplification.
Q & A
- What is the supply voltage range of the ADA4523-1?
The ADA4523-1 operates from a supply voltage range of 4.5 V to 36 V.
- What is the typical offset voltage of the ADA4523-1?
The typical offset voltage is ±4 µV at 5 V.
- What is the offset voltage drift of the ADA4523-1?
The offset voltage drift is 0.01 µV/°C maximum at 5 V.
- What is the input noise voltage of the ADA4523-1?
The input noise voltage is 88 nV p-p from 0.1 Hz to 10 Hz typical.
- What is the power supply rejection ratio (PSRR) of the ADA4523-1?
The PSRR is 168 dB typical.
- What is the common-mode rejection ratio (CMRR) of the ADA4523-1?
The CMRR is 160 dB.
- What is the gain bandwidth product of the ADA4523-1?
The gain bandwidth product is 5 MHz.
- What is the slew rate of the ADA4523-1?
The slew rate is 1.85 V/µs (rising) and 1.8 V/µs (falling).
- What is the operating temperature range of the ADA4523-1?
The operating temperature range is -40°C to 125°C.
- In what package is the ADA4523-1 available?
The ADA4523-1 is available in an 8-SOIC package.
