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 | Kit Overview
The Analog Devices EVAL-AD5111SDZEVAL-AD5111SDZ evaluation board for evaluating the AD5111AD5111 a single-channel, 128-position, nonvolatile memory digital potentiometer. The AD5111 supports single-supply 2.3 V to 5.5 V operation, making the device suited for battery-powered applications and many other applications, offering guaranteed low resistor tolerance errors of ±8% and high bandwidth while allowing up to ±6 mA current density in the A, B, and W pins.
A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The EVAL-AD5111SDZEVAL-AD5111SDZ can operate in single-supply mode and incorporates an internal power supply from the USB.
The AD5111AD5111 provides a nonvolatile solution for 128-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistor tolerance, low nominal temperature coefficient, and high bandwidth simplify open-loop applications, as well as tolerance matching applications. The new low wiper resistance feature minimizes the wiper resistance in the extremes of the resistor array to only 45 Ω typical. A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz.
This evaluation board requires an SDP Controller board (EVAL-SDP-CS1ZEVAL-SDP-CS1Z ) for connection to the PC. The SDP controller board connects to the PC via USB 2.0. The evaluation board will connect to the SDP controller board. The evaluation board cannot be connected directly to the PC. The evaluation software running on the PC will communicate with the evaluation board through the SDP Controller board.
Key Applications: Mechanical potentiometer replacement, Portable electronics level adjustment, Audio volume control, Low resolution DAC, LCD panel brightness and contrast control, Programmable voltage to current conversion, Programmable filters, delays, time constants, Feedback resistor programmable power supply, Sensor calibration | |||||||||||
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Development Tools
SDP Controller board (EVAL-SDP-CS1ZEVAL-SDP-CS1Z) Features:
- USB to Serial Engine
- 1 xsmall footprint 120 Pin Connector
- Configurable interface ( SPI, I2C, GPIO)
- USB 2.0 interface to the PC
Technical Documents
Learning Center
Design Elements
| Type | Description |
|---|---|
| CAD Model | ADI: CAD Model for AD5111BCPZ10-RL7 |
| Simulation Model | ADI: IBIS Model for AD5111 |
| Reference Design | ADI: Reference Design for AD5111 FMC-SDP Interposer and Evaluation Board / Xilinx KC705 |
| Application Library | ADI: Application Library for BeMicro FPGA Project for AD5111 with Nios driver |
Video
Kit Features
Key Features for EVAL-AD5111SDZEVAL-AD5111SDZ are as below:
- Full-featured evaluation board for the AD5111
- Several test circuits
- Various ac/dc input signals
- PC control via a separately purchased system demonstration platform (SDP)
- PC control software
Features for AD5111AD5111 are as below:
- Nominal resistor tolerance error: ±8% maximum
- Wiper current: ±6 mA
- Rheostat mode temperature coefficient: 35 ppm/°C
- Low power consumption: 2.5 μA max @ 2.7 V and 125°C
- Wide bandwidth: 4 MHz (5 kΩ option)
- Power-on EEPROM refresh time < 50 μs
- 50-year typical data retention at 125°C
- 1 million write cycles
- 2.3 V to 5.5 V supply operation
- Chip select enable multiple device operation
Kit Contents
The Analog Devices EVAL-AD5111SDZEVAL-AD5111SDZ kit is supplied with below contents:
- EVAL-AD511xSDZ evaluation board
- CD that includes
- Self-installing software that allows users to control the board and exercise all functions of the device
- Electronic version of the AD5111 data sheet
- Electronic version of the UG-323 user guide