Overview
The AD524AD is a precision monolithic instrumentation amplifier designed by Analog Devices Inc. It is tailored for data acquisition applications that demand high accuracy under various operating conditions. The AD524AD boasts an outstanding combination of high linearity, high common-mode rejection ratio (CMRR), low offset voltage drift, and low noise, making it suitable for a wide range of data acquisition systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Gain Range | 1 | - | 1000 | - |
| Input Offset Voltage | - | - | 250 | µV |
| Input Offset Voltage Drift | - | - | 0.5 | µV/°C |
| CMRR | - | - | 120 | dB (G = 1000) |
| Gain Bandwidth Product | - | - | 25 | MHz |
| Slew Rate | - | - | 5 | V/µs |
| Supply Voltage | ±6 | - | ±18 | V |
| Operating Temperature | -25 | - | 85 | °C |
| Package Type | - | - | 16-lead ceramic DIP, 16-lead SOIC | - |
Key Features
- Low Noise: 0.3 µV p-p from 0.1 Hz to 10 Hz.
- Low Nonlinearity: 0.003% at a gain of 1.
- High CMRR: 120 dB at a gain of 1000.
- Low Offset Voltage and Drift: 50 µV and 0.5 µV/°C respectively.
- Pin Programmable Gains: Gains of 1, 10, 100, and 1000 without external components; single resistor programmable for other gains.
- Input Protection: Fully protected for both power-on and power-off fault conditions.
- Superior Dynamic Performance: Gain bandwidth product of 25 MHz, full power response of 75 kHz, and settling time of 15 µs to 0.01% for a 20 V step (G = 100).
- Multiple Package Options: Available in 16-lead ceramic DIP, 16-lead SOIC, and 20-terminal leadless chip carrier.
Applications
The AD524AD is ideal for various data acquisition systems that require high accuracy and precision. Some of the key applications include:
- Data acquisition systems in industrial, medical, and scientific instruments.
- High-speed data acquisition systems requiring fast settling times and high gain bandwidth products.
- Applications needing high linearity and low noise, such as in precision measurement and control systems.
- Military and aerospace applications due to its compliance with MIL-STD-883B and availability in military-grade packages.
Q & A
- What is the gain range of the AD524AD?
The AD524AD has a gain range of 1 to 1000, which can be set using pin programmable gains or a single external resistor for other gain settings.
- What is the input offset voltage of the AD524AD?
The input offset voltage is typically 50 µV.
- What is the CMRR of the AD524AD at a gain of 1000?
The CMRR is 120 dB at a gain of 1000.
- What is the slew rate of the AD524AD?
The slew rate is 5 V/µs.
- What are the available package types for the AD524AD?
The AD524AD is available in 16-lead ceramic DIP, 16-lead SOIC, and 20-terminal leadless chip carrier packages.
- Does the AD524AD require external components for fixed gains?
No, the AD524AD does not require any external components for fixed gains of 1, 10, 100, and 1000.
- What is the operating temperature range for the AD524AD?
The operating temperature range is from -25°C to +85°C for the A, B, and C grades, and from -55°C to +125°C for the S grade.
- Is the AD524AD input protected?
Yes, the AD524AD input is fully protected for both power-on and power-off fault conditions.
- What is the gain bandwidth product of the AD524AD?
The gain bandwidth product is 25 MHz.
- How long does the AD524AD take to settle to 0.01% of a 20 V step?
The settling time is 15 µs to 0.01% for a 20 V step at a gain of 100.
