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DAC7545 Datasheet

  • DAC7545

  • CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTER Micropro...

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DA
C75
45
DAC
7
545
DAC7545
CMOS 12-Bit Multiplying
DIGITAL-TO-ANALOG CONVERTER
Microprocessor Compatible
FEATURES
q
FOUR-QUADRANT MULTIPLICATION
q
LOW GAIN TC: 2ppm/
擄
C typ
q
MONOTONICITY GUARANTEED OVER
TEMPERATURE
q
SINGLE 5V TO 15V SUPPLY
q
TTL/CMOS LOGIC COMPATIBLE
q
LOW OUTPUT LEAKAGE: 10nA max
q
LOW OUTPUT CAPACITANCE: 70pF max
q
DIRECT REPLACEMENT FOR AD7545,
PM-7545
DESCRIPTION
The DAC7545 is a low-cost CMOS, 12-bit four-
quadrant multiplying, digital-to-analog converter with
input data latches. The input data is loaded into the
DAC as a 12-bit data word. The data flows through to
the DAC when both the chip select (CS) and the write
(WR) pins are at a logic low.
Laser-trimmed thin-film resistors and excellent CMOS
voltage switches provide true 12-bit integral and dif-
ferential linearity. The device operates on a single
+5V to +15V supply and is available in 20-pin plastic
DIP or 20-lead plastic SOIC packages. Devices are
specified over the commercial.
The DAC7545 is well suited for battery or other low
power applications because the power dissipation is
less than 0.5mW when used with CMOS logic inputs
and V
DD
= +5V.
R
FB
20
1
V
REF
19
12-Bit
Multiplying DAC
2
OUT 1
AGND
12
WR 17
CS 16
Input
Data Latches
12
DB
11
-DB
0
(Pins 4-15)
18
3
V
DD
DGND
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111
Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏
1987 Burr-Brown Corporation
PDS-747F
1
Printed in U.S.A.
DAC7545
August, 1997

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