ad5232 Datasheet - Analogdevices
The AD5232 is a dual-channel, 256-position digital potentiometer designed to provide a compact, low-cost solution for applications that require electronic...
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📝 Component Overview
The AD5232 is a dual-channel, 256-position digital potentiometer designed to provide a compact, low-cost solution for applications that require electronic adjustment of analog signals. It operates from a single supply of 2.7 V to 5.5 V and is guaranteed to operate over the extended industrial temperature range of -40°C to +125°C. Each channel of the AD5232 contains a 256-position potentiometer, and each potentiometer has an associated volatile Wiper Register (WR) that can be written to and read back. The AD5232 supports a dual-supply operation, making it an excellent choice for applications where a bipolar supply is required.
Key Features and Benefits
- Dual-channel, 256-position digital potentiometer
- Compact, low-cost solution for electronic adjustment of analog signals
- Operates from a single supply of 2.7 V to 5.5 V
- Guaranteed to operate over the extended industrial temperature range of -40°C to +125°C
- Supports dual-supply operation for bipolar supply requirements
- Volatile Wiper Register (WR) for each channel
- Suitable for a wide range of applications including audio equipment, industrial control systems, and medical devices
Typical Applications
- Audio equipment
- Industrial control systems
- Medical devices
- Automotive systems
- Aerospace applications
- Test and measurement equipment
- Data acquisition systems
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Supply Voltage | 5.5 V |
| Operating Temperature | -40°C to +125°C |
| Storage Temperature | -65°C to +150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resistance | At 25°C | 9.5 kΩ | 10 kΩ | 10.5 kΩ | kΩ |
| Temperature Coefficient | Over the operating temperature range | -500 | -300 | -100 | ppm/°C |
Package Information
- TSSOP-14: Thin Shrink Small Outline Package, 14 leads
Pin Configuration
- Pin 1: VDD - Positive supply voltage
- Pin 2: VSS - Ground
🔧 Application Guidelines
Design Considerations
When designing with the AD5232, it is essential to consider the operating temperature range, supply voltage, and resistance tolerance to ensure optimal performance. Additionally, the dual-supply operation capability should be considered for applications requiring bipolar supply.
Installation Guidelines
The AD5232 should be handled with care to prevent damage to the package and the internal circuitry. It is recommended to follow standard IC handling and installation procedures to ensure reliable operation.
Operational Notes
The AD5232 is a volatile device, meaning that the wiper position is lost when power is removed. If non-volatile memory is required, an external device such as an EEPROM should be used to store the wiper position.