Overview
The AD5204BRZ10, produced by Analog Devices Inc., is a 4-channel, 256-position digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, offering the same electronic adjustment capabilities as a mechanical potentiometer or variable resistor. It is designed for applications requiring precise and programmable resistance adjustments.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Number of Positions | 256 |
| Terminal Resistance | 10 kΩ, 50 kΩ, 100 kΩ |
| Supply Voltage | +2.7 V to +5.5 V (single-supply), ±2.7 V (dual-supply) |
| Interface | 3-wire SPI-compatible serial data input |
| Temperature Range | −40°C to +85°C |
| Package Type | 24-Lead SOIC (Wide) |
| Temperature Coefficient | 700 ppm/°C |
Key Features
- Multiple independently programmable channels
- Potentiometer replacement
- Power-on midscale preset
- Optional reset (PR) pin to force wipers to the midscale position
- Serial data output pin for daisy chaining (AD5204 only)
- Linear resistance taper
- Low power consumption
Applications
- Mechanical potentiometer replacement
- Instrumentation: gain, offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, time constants
- Line impedance matching
Q & A
- What is the AD5204BRZ10 used for? The AD5204BRZ10 is used as a digital potentiometer, replacing mechanical potentiometers in various applications.
- How many channels does the AD5204BRZ10 have? The AD5204BRZ10 has 4 channels.
- What are the available terminal resistances for the AD5204BRZ10? The terminal resistances available are 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating supply voltage range for the AD5204BRZ10? The operating supply voltage range is +2.7 V to +5.5 V for single-supply and ±2.7 V for dual-supply.
- What interface does the AD5204BRZ10 use for data input? The AD5204BRZ10 uses a 3-wire SPI-compatible serial data input interface.
- What is the temperature range for the AD5204BRZ10? The AD5204BRZ10 operates over the extended industrial temperature range of −40°C to +85°C.
- What package types are available for the AD5204BRZ10? The AD5204BRZ10 is available in a 24-Lead SOIC (Wide) package.
- How does the AD5204BRZ10 handle power-on conditions? The AD5204BRZ10 has a power-on midscale preset feature.
- Can the AD5204BRZ10 be reset to a default position? Yes, an optional reset (PR) pin can force all wipers to the midscale position.
- Is the AD5204BRZ10 suitable for daisy chaining? Yes, the AD5204BRZ10 has a serial data output pin that allows for simple daisy chaining.
