ad624 Datasheet - Analogdevices
The AD624 is a high accuracy, low noise, instrumentation amplifier with a gain range of 1 to 1000.
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📝 Component Overview
The AD624 is a high accuracy, low noise, instrumentation amplifier with a gain range of 1 to 1000. It is designed for a wide range of applications, including medical equipment, industrial control systems, and test and measurement instruments. The AD624 has a high common-mode rejection ratio (CMRR) and a low offset voltage, making it suitable for use in applications where high accuracy and stability are required.
Key Features and Benefits
- High accuracy: ±0.25% max nonlinearity
- Low noise: 15 nV/√Hz typ
- High CMRR: 100 dB min
- Low offset voltage: ±100 μV max
- Gain range: 1 to 1000
- High input impedance: 10 GΩ min
- Low power consumption: 1.5 mA max
Typical Applications
- Medical equipment
- Industrial control systems
- Test and measurement instruments
- Data acquisition systems
- Audio equipment
- Industrial automation
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Supply Voltage | ±18V |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -65°C to +150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Nonlinearity | G = 1 to 100, VCM = 0V | ±0.25% | ±0.1% | ±0.25% | % |
| Noise | G = 1, BW = 10 Hz to 10 kHz | 10 nV/√Hz | 15 nV/√Hz | 20 nV/√Hz | nV/√Hz |
Package Information
- DIP-16: 16-lead dual in-line package
- SOIC-16: 16-lead small outline integrated circuit package
Pin Configuration
- Pin 1: V+ - Positive supply voltage
- Pin 2: V- - Negative supply voltage
🔧 Application Guidelines
Design Considerations
The AD624 is a high accuracy, low noise instrumentation amplifier that requires careful design consideration to achieve optimal performance. The user should ensure that the input signals are within the specified range and that the gain is set correctly to avoid saturation.
Installation Guidelines
The AD624 should be mounted on a printed circuit board (PCB) with a ground plane to minimize noise and electromagnetic interference (EMI). The user should also ensure that the power supply is clean and stable to prevent noise and voltage fluctuations.
Operational Notes
The AD624 is a sensitive device that requires careful handling to prevent damage. The user should avoid touching the device or exposing it to static electricity, and should ensure that the device is properly grounded during operation.