Overview
The AD5207BRUZ100, produced by Analog Devices Inc., is a dual-channel, 256-position digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, offering the same electronic adjustment capabilities as a traditional potentiometer or variable resistor. Each channel of the AD5207 contains a fixed resistor with a wiper contact that can be programmed to tap the fixed resistor value at a specific point determined by a digital code loaded into the SPI-compatible serial-input register. This device is suitable for various applications requiring precise and programmable resistance adjustments.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Number of Positions | 256 |
| End-to-End Terminal Resistances | 10 kΩ, 50 kΩ, 100 kΩ |
| Supply Voltage | +2.7 to +5.5 V (single supply), ±3 V (dual supply) |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 14-Lead TSSOP |
| Channel-to-Channel Matching Tolerance | ±1% |
| Temperature Coefficient | 500 ppm/°C |
| Digital Interface | 3-Wire SPI Compatible |
Key Features
- Dual-channel, 256-position digital potentiometer with programmable resistance values.
- Available in 10 kΩ, 50 kΩ, and 100 kΩ end-to-end terminal resistances.
- Operates over a wide temperature range of -40°C to +125°C.
- 3-Wire SPI compatible serial data input and output.
- Power shutdown feature with minimal leakage current.
- Internal reset block forces the wiper to the midscale position during power-up.
- Suitable for PCMCIA applications due to its thin TSSOP-14 package.
Applications
- Mechanical potentiometer replacement.
- Stereo channel audio level control.
- Instrumentation: gain and offset adjustment.
- Programmable voltage-to-current conversion.
- Programmable filters, delays, and time constants.
- Line impedance matching.
- Automotive electronics adjustment.
Q & A
- What is the AD5207BRUZ100 used for? The AD5207BRUZ100 is used as a digital potentiometer, replacing traditional potentiometers in various applications requiring programmable resistance adjustments.
- How many channels does the AD5207BRUZ100 have? The AD5207BRUZ100 has two channels.
- What are the available end-to-end terminal resistances for the AD5207BRUZ100? The available resistances are 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating temperature range of the AD5207BRUZ100? The operating temperature range is -40°C to +125°C.
- What type of digital interface does the AD5207BRUZ100 use? The AD5207BRUZ100 uses a 3-Wire SPI compatible serial data input and output.
- Does the AD5207BRUZ100 have a power shutdown feature? Yes, the AD5207BRUZ100 has a power shutdown feature that minimizes leakage current and maintains previous latch settings during shutdown.
- What package type is the AD5207BRUZ100 available in? The AD5207BRUZ100 is available in a 14-Lead TSSOP package.
- Is the AD5207BRUZ100 suitable for PCMCIA applications? Yes, the thin TSSOP-14 package makes it suitable for PCMCIA applications.
- How does the AD5207BRUZ100 handle channel-to-channel matching? The AD5207BRUZ100 has a ±1% channel-to-channel matching tolerance.
- What is the temperature coefficient of the AD5207BRUZ100? The temperature coefficient is 500 ppm/°C.
