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DAC7528
CMOS Dual 8-Bit Buffered Multiplying
DIGITAL-TO-ANALOG CONVERTER
FEATURES
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DOUBLE BUFFERED DATA LATCHES
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SINGLE 5V SUPPLY OPERATION
q
鹵
1/2 LSB LINEARITY
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FOUR-QUADRANT MULTIPLICATION
q
DACs MATCHED TO 1%
DESCRIPTION
The DAC7528 contains two, 8-bit multiplying digital-
to-analog converters (DACs). Separate on-chip latches
hold the input data for each DAC to allow easy
interface to microprocessors.
Each DAC operates independently with separate refer-
ence input pins and internal feedback resistors. Excel-
lent converter-to-converter matching is maintained.
The DAC7528 operates from a single +5V power
supply. The inputs are TTL-compatible. Package
options include 20-pin plastic DIP and SOIC.
APPLICATIONS
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DIGITALLY CONTROLLED FILTERS
q
DISK DRIVES
q
AUTO CALIBRATION
q
MOTOR CONTROL SYSTEMS
q
PROGRAMMABLE GAIN/ATTENUATION
q
X-Y GRAPHICS
V
REF A
4
V
DD
17
Data DB0 (LSB) 14
Inputs
DB7 (MSB) 7
Input
Buffer
3 R
FB
A
2 OUT A
Latch
DAC A
1 AGND
DAC A/
DAC B 6
CS 15
WR 16
Control
Logic
Latch
DAC B
DAC7528
19 R
FB B
20 OUT B
DGND 5
18
V
REF B
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400 鈥?Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd. 鈥?Tucson, AZ 85706
Tel: (520) 746-1111 鈥?Twx: 910-952-1111 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏
1993 Burr-Brown Corporation
PDS-1219A
Printed in U.S.A. June, 1994