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AN9827.2

Intersil
Part Number AN9827.2
Manufacturer Intersil
Description Manual
Published Sep 1, 2006
Detailed Description www.DataSheet4U.com HI5728EVAL1 User’s Manual TM Application Note February 2000 AN9827.2 Description The HI5728EVAL...
Datasheet PDF File AN9827.2 PDF File

AN9827.2
AN9827.2

Overview
www.
DataSheet4U.
com HI5728EVAL1 User’s Manual TM Application Note February 2000 AN9827.
2 Description The HI5728EVAL1 evaluation board provides a quick and easy method for evaluating the HI5728, 125MSPS Dual High Speed DAC.
Each converter outputs a current into a load resistor to form a voltage which can be measured by using the included SMA connectors.
The amount of current out of the DAC is determined by an external resistor and either an internal or external reference voltage.
The evaluation board also includes a VME digital interface that is compatible with the HSP-EVAL board, so DDS (Direct Digital Synthesis) can be performed with minimal setup time.
A transformer is included to take advantage of differential signal drive.
Features • HI5728, 125MSPS CMOS DAC • Simple and Easy to Use • Standard VME/DSP Interface, HSP-EVAL Compatible • SMA Outputs with Transformer Option • Easily Selectable Internal or External Reference Applications • I and Q Signal Generation • Modulated Carrier Generation • General DAC Performance Evaluation Ordering Information PART NUMBER HI5728EVAL1 TEMP.
RANGE (oC) 25 PACKAGE Evaluation Platform CLOCK SPEED 125MHz • Amplitude Modulation Via External Reference Functional Block Diagram DataShee DataShee P1 DataSheet4U.
com RSET POT R68 DVDD AVDD I-CHANNEL 10 BITS VME 64 or 96-PIN CONNECTOR U1 Q-CHANNEL 10 BITS IOUTA IOUTB T1 XFMR IOUT SMA5 HI5728 CLOCK ICLK SMA8 QCLK SMA9 REF SELECT AVDD J1 SLEEP DAC ICLK QCLK QOUTB QOUTA XFMR T2 QOUT SMA6 J2 EXTERNAL REFERENCE (OPTIONAL) SMA7 J3 DataSheet4U.
com 3-1 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation.
| Copyright © Intersil Corporation 2000 DataSheet 4 U .
com www.
DataSheet4U.
com Application Note 9827 Functional Description Overview The evaluation board is configured to be interfaced using a VME connector.
The data input lines are tied together using small, zero ohm resistors on the back side of the board (QD0 is tied to ID0, co...


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