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DAC7612U fiches techniques PDF

Burr-Brown Corporation - Dual/ 12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER

Numéro de référence DAC7612U
Description Dual/ 12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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DAC7612U fiche technique
®
DAC7612
DAC7612
Dual, 12-Bit Serial Input
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q LOW POWER: 3.7mW
q FAST SETTLING: 7µs to 1 LSB
q 1mV LSB WITH 4.095V FULL-SCALE
RANGE
q COMPLETE WITH REFERENCE
q 12-BIT LINEARITY AND MONOTONICITY
OVER INDUSTRIAL TEMP RANGE
q 3-WIRE INTERFACE: Up to 20MHz Clock
q SMALL PACKAGE: 8-Lead SOIC
APPLICATIONS
q PROCESS CONTROL
q DATA ACQUISITION SYSTEMS
q CLOSED-LOOP SERVO-CONTROL
q PC PERIPHERALS
q PORTABLE INSTRUMENTATION
DESCRIPTION
The DAC7612 is a dual, 12-bit digital-to-analog con-
verter (DAC) with guaranteed 12-bit monotonicity
performance over the industrial temperature range. It
requires a single +5V supply and contains an input
shift register, latch, 2.435V reference, a dual DAC, and
high speed rail-to-rail output amplifiers. For a full-
scale step, each output will settle to 1 LSB within 7µs
while only consuming 3.7mW.
The synchronous serial interface is compatible with a
wide variety of DSPs and microcontrollers. Clock
(CLK), Serial Data In (SDI), Chip Select (CS) and
Load DACs (LOADDACS) comprise the serial inter-
face.
The DAC7612 is available in an 8-lead SOIC package
and is fully specified over the industrial temperature
range of –40°C to +85°C.
VDD
LOADDACS
CS
CLK
SDI
12-Bit DAC A
12
DAC Register A
12
14-Bit Serial Shift Register
12
DAC Register B
12
12-Bit DAC B
Ref
VOUTA
VOUTB
DAC7612
GND
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation
PDS-1501A
Printed in U.S.A. June, 1999

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