Overview
The AD5204BRUZ10 from Analog Devices Inc. is a 4-channel, 256-position digital potentiometer. This component is designed to perform the same electronic adjustment functions as a mechanical potentiometer or variable resistor. It features a 24-pin TSSOP package and operates within a single-supply voltage range of +2.7 V to +5.5 V or dual-supply operation of ±2.7 V. The device is part of the AD5204/AD5206 series, which offers multiple independently programmable channels, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD5204BRUZ10 |
| Package | 24-TSSOP (0.173, 4.40mm Width) |
| Number of Pins | 24 |
| Resistance | 10 kΩ, 50 kΩ, 100 kΩ |
| Number of Positions | 256 |
| Tolerance | ±30% |
| Temperature Coefficient | 700 ppm/°C |
| Memory Type | Volatile |
| Interface | 3-wire SPI-compatible serial data input |
| Supply Voltage | +2.7 V to +5.5 V (single-supply), ±2.7 V (dual-supply) |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- 4-channel, 256-position digital potentiometer
- Multiple independently programmable channels
- Terminal resistance of 10 kΩ, 50 kΩ, or 100 kΩ
- 3-wire SPI-compatible serial data input
- Power-on midscale preset
- Optional reset (PR) pin to force wipers to the midscale position
- Serial data output pin for daisy chaining (AD5204 only)
- Volatile memory, requiring periodic updates to maintain settings
Applications
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, and time constants
- Line impedance matching
Q & A
- What is the AD5204BRUZ10 used for?
The AD5204BRUZ10 is used as a digital potentiometer, replacing mechanical potentiometers in various applications such as gain and offset adjustment, programmable voltage-to-current conversion, and line impedance matching.
- How many channels does the AD5204BRUZ10 have?
The AD5204BRUZ10 has 4 independently programmable channels.
- What are the available resistance values for the AD5204BRUZ10?
The available resistance values are 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the interface type of the AD5204BRUZ10?
The interface is 3-wire SPI-compatible serial data input.
- What is the operating temperature range of the AD5204BRUZ10?
The operating temperature range is −40°C to +85°C.
- Does the AD5204BRUZ10 have non-volatile memory?
No, the AD5204BRUZ10 has volatile memory, requiring periodic updates to maintain settings.
- What package types are available for the AD5204BRUZ10?
The AD5204BRUZ10 is available in a 24-lead TSSOP package.
- Can the AD5204BRUZ10 be daisy-chained?
- What is the power-on default state of the AD5204BRUZ10?
The power-on default state is midscale preset.
- Is there an optional reset pin on the AD5204BRUZ10?
