Overview
The AD5200BRMZ50 is a digital potentiometer produced by Analog Devices Inc. This device is part of the AD5200 series, which includes programmable resistor devices that can be digitally controlled through a 3-wire SPI serial interface. The AD5200BRMZ50 specifically offers a 50 kΩ end-to-end terminal resistance with 256 programmable positions. It is designed to replace mechanical potentiometers and provide precise, digitally controlled resistance adjustments in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| End-to-End Terminal Resistance | 50 kΩ |
| Number of Programmable Positions | 256 |
| Interface | 3-wire SPI compatible serial data input |
| Supply Voltage Range | +2.7 V to +5.5 V (single-supply), ±2.7 V (dual-supply) |
| Temperature Coefficient | 500 ppm/°C |
| Differential Nonlinearity (DNL) | ±1/4 LSB |
| Integral Nonlinearity (INL) | ±2 LSB |
| Shutdown Supply Current | 0.01 to 5 µA |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | 10-Lead MSOP |
Key Features
- Digital control through a 3-wire SPI serial interface.
- 256 programmable positions with 50 kΩ end-to-end terminal resistance.
- Power ON mid-scale preset, with the wiper set to the midscale position.
- Shutdown feature that puts the resistor in an end-to-end open-circuit condition and shorts the wiper to the B terminal, achieving a microwatt power shutdown state.
- Compact 10-Lead MSOP package, ideal for space-constrained applications.
- Guaranteed operation over the extended industrial temperature range of –40°C to +85°C.
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 end-to-end terminal resistance of the AD5200BRMZ50?
The end-to-end terminal resistance of the AD5200BRMZ50 is 50 kΩ.
- How many programmable positions does the AD5200BRMZ50 have?
The AD5200BRMZ50 has 256 programmable positions.
- What type of interface does the AD5200BRMZ50 use?
The AD5200BRMZ50 uses a 3-wire SPI compatible serial data input interface.
- What is the supply voltage range for the AD5200BRMZ50?
The supply voltage range for the AD5200BRMZ50 is +2.7 V to +5.5 V (single-supply) and ±2.7 V (dual-supply).
- What is the temperature coefficient of the AD5200BRMZ50?
The temperature coefficient of the AD5200BRMZ50 is 500 ppm/°C.
- How does the shutdown feature work on the AD5200BRMZ50?
The shutdown feature puts the resistor in an end-to-end open-circuit condition and shorts the wiper to the B terminal, achieving a microwatt power shutdown state.
- What is the operating temperature range of the AD5200BRMZ50?
The operating temperature range of the AD5200BRMZ50 is –40°C to +85°C.
- What package type is the AD5200BRMZ50 available in?
The AD5200BRMZ50 is available in a 10-Lead MSOP package.
- Can the AD5200BRMZ50 replace mechanical potentiometers?
- What are some common applications of the AD5200BRMZ50?
