English
Language : 

MAX5825A Datasheet, PDF (1/18 Pages) –
19-6304; Rev 0; 5/12
MAX5825A Evaluation Kit
Evaluates: MAX5823/MAX5824/
MAX5825A / MAX5825B
General Description
The MAX5825A evaluation kit (EV kit) demonstrates
the MAX5825A 12-bit, 8-channel, low-power DAC with
selectable internal references and buffered voltage out-
put. The IC comes in a 20-pin TSSOP package. The EV
kit provides control to change the DAC’s outputs, power
operations, references, and watchdog timer settings.
The IC features a watchdog function that can be enabled
to monitor the I/O interface for activity and integrity.
The EV kit includes a USB-to-I2C 400kHz interface circuit.
The EV kit features Windows XPM-, Windows VistaM-, and
WindowsM 7-compatible software that provides a simple
graphical user interface (GUI) for exercising the IC’s
features.
The EV kit comes with the MAX5825AAUP+ installed,
which is the 12-bit I2C version. Contact the factory for
samples of the pin-compatible MAX5823AUP+ (8-bit),
MAX5824AUP+ (10-bit), and MAX5825BAUP+ (12-bit)
versions.
Ordering Information appears at end of data sheet.
Features
S Wide Input Supply Range: 2.7V to 5.5V
S Independent Voltage for Digital I/O: 1.8V to 5.5V
S Demonstrates 4.4Fs (typ) Settling Time of
Buffered Output
S Precision Selectable Internal References
Supporting 2.048V, 2.500V, and 4.096V
S Demonstrates User-Supplied External Reference
S Three Selectable Power-Down Impedance
 1kI, 100kI, or High Impedance
S Power-Up Reset to Midscale or Zero
S Supports Entire Family of Octal SPI/I2C DACs
S Windows XP-, Windows Vista-, and Windows
7-Compatible Software
S USB-Powered (Cable Included)
S Demonstrates Configurable Interface Watchdog
Timer
S Fully Assembled and Tested with Proven PCB
Layout
Figure 1. MAX5825A EV Kit
Windows, Windows XP, and Windows Vista are registered
trademarks of Microsoft Corp.
__________________________________________________________________ Maxim Integrated Products  1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.