Overview
The AD524AR-16-REEL, produced by Analog Devices Inc., is a precision monolithic instrumentation amplifier designed for data acquisition applications that require high accuracy under worst-case operating conditions. This amplifier is renowned for its outstanding combination of high linearity, high common-mode rejection, low offset voltage drift, and low noise, making it suitable for various data acquisition systems. The AD524 is available in several package options, including 16-lead ceramic DIP, 16-lead SOIC wide, and 20-terminal leadless chip carrier, and it is also available in tape and reel format in accordance with EIA-481A standards.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Temperature Range (Specified Performance) | -25 | +85 | °C | |
| Storage Temperature Range | -65 | +150 | °C | |
| Power Supply Range | ±6 | ±18 | V | |
| Quiescent Current | 3.5 | 5.0 | mA | |
| Offset Voltage | 50 | µV | ||
| Offset Voltage Drift | 0.5 | µV/°C | ||
| Common-Mode Rejection Ratio (CMRR) at G=1000 | 120 | dB | ||
| Gain Bandwidth Product | 25 | MHz | ||
| Settling Time (0.01% of 20V step, G=100) | 15 | µs | ||
| Input Noise (0.1 Hz to 10 Hz) | 0.3 | µV p-p | ||
| Nonlinearity (G=1) | 0.003% |
Key Features
- Pin programmable gains of 1, 10, 100, and 1000, and single resistor-programmable for any gain between 1 and 1000.
- No external components required for fixed gains; internally compensated.
- Input and output offset nulling terminals for high precision applications and to minimize offset voltage changes in gain ranging applications.
- Input protection for both power-on and power-off fault conditions.
- Superior dynamic performance with a gain bandwidth product of 25 MHz and a settling time of 15 µs to 0.01% of a 20 V step (G = 100).
Applications
The AD524 is suitable for various data acquisition systems that require high accuracy and precision. It is particularly useful in applications such as medical instrumentation, industrial control systems, and any scenario where high linearity, low noise, and high common-mode rejection are critical. The amplifier's ability to operate over a wide temperature range and its robust input protection make it versatile for use in harsh environments.
Q & A
- What is the AD524AR-16-REEL used for? The AD524AR-16-REEL is a precision monolithic instrumentation amplifier used in data acquisition applications requiring high accuracy and precision.
- What are the available package options for the AD524? The AD524 is available in 16-lead ceramic DIP, 16-lead SOIC wide, and 20-terminal leadless chip carrier packages.
- What are the programmable gain options for the AD524? The AD524 has pin programmable gains of 1, 10, 100, and 1000, and it can be programmed for any gain between 1 and 1000 using a single resistor.
- Does the AD524 require external components for operation? No, the AD524 does not require any external components for fixed gains; it is internally compensated.
- What is the common-mode rejection ratio (CMRR) of the AD524 at G=1000? The CMRR of the AD524 at G=1000 is 120 dB.
- What is the gain bandwidth product of the AD524? The gain bandwidth product of the AD524 is 25 MHz.
- How long does the AD524 take to settle to 0.01% of a 20V step at G=100? The AD524 settles to 0.01% of a 20V step in 15 µs at G=100.
- Is the AD524 protected against power-on and power-off fault conditions? Yes, the AD524 has input protection for both power-on and power-off fault conditions.
- What is the temperature range for the specified performance of the AD524? The specified performance temperature range for the AD524 is -25°C to +85°C, with some grades extending to -55°C to +125°C.
- What is the quiescent current of the AD524? The quiescent current of the AD524 is typically 5.0 mA.
