ad627 Datasheet - Analogdevices
The AD627 is a low noise, high accuracy instrumentation amplifier designed for use in a wide range of applications, including medical instrumentation,...
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📝 Component Overview
The AD627 is a low noise, high accuracy instrumentation amplifier designed for use in a wide range of applications, including medical instrumentation, industrial process control, and audio equipment. It features high common-mode rejection, low offset voltage, and high gain accuracy, making it suitable for precise signal conditioning. The device is available in several packages, including an 8-lead DIP and an 8-lead SOIC, allowing for flexibility in design and layout.
Key Features and Benefits
- Low Noise: 80 nV/√Hz typ at 1 kHz
- High Accuracy: ±0.15% max gain error
- High Common-Mode Rejection: 115 dB typ
- Low Offset Voltage: ±50 μV max
- High Gain Accuracy: ±0.15% max
- Wide Supply Range: ±2.3 V to ±18 V
- Low Power: 1.5 mA max supply current
Typical Applications
- Medical Instrumentation
- Industrial Process Control
- Audio Equipment
- Data Acquisition Systems
- Test and Measurement Equipment
- Aerospace and Defense Systems
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Supply Voltage | ±18 V |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -65°C to +150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VS = ±15 V, TA = 25°C | -50 | 0 | 50 | μV |
| Input Bias Current | VS = ±15 V, TA = 25°C | -10 | 0 | 10 | nA |
Package Information
- 8-lead DIP: Through-hole package with 8 leads
- 8-lead SOIC: Surface-mount package with 8 leads
Pin Configuration
- Pin 1: V+ - Positive supply voltage
- Pin 2: V- - Negative supply voltage
🔧 Application Guidelines
Design Considerations
When designing with the AD627, consider the gain setting resistors, input and output capacitors, and power supply decoupling to optimize performance. The device's high common-mode rejection and low noise make it suitable for applications requiring precise signal conditioning.
Installation Guidelines
The AD627 should be mounted on a printed circuit board with adequate thermal dissipation. The device's lead-free packaging and RoHS compliance make it suitable for use in a wide range of applications, including those requiring environmental sustainability.
Operational Notes
The AD627 is a high-performance instrumentation amplifier that requires careful handling and installation to ensure optimal performance. Avoid overloading the device's inputs, and ensure that the power supply is well-regulated and decoupled.