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7545A fiches techniques PDF

Maxwell Technologies - 12-Bit Buffered Multiplying Digital to Analog Converter

Numéro de référence 7545A
Description 12-Bit Buffered Multiplying Digital to Analog Converter
Fabricant Maxwell Technologies 
Logo Maxwell Technologies 





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7545A fiche technique
7545A
12-Bit Buffered Multiplying
Digital to Analog Converter
R FB
R
12-BIT MULTIPYING
OUT1
V REF DAC AGND
12
WR
CS
INPUT DATA LATCHES
V DD
DGND
12
DB11-DBO
FEATURES:
• RAD-PAK® patented shielding against natural space radia-
tion
• Total dose hardness:
- > 100 krad (Si), depending upon space mission
• Excellent single event effects
- SELTH: > 120 MeV/mg/cm2
- SEUTH: > 120 MeV/mg/cm2 using all 1’s
• Package:
- 20 pin RAD-PAK® Flat Pack
- 20 pin RAD-PAK® DIP
• Low gain temperature coefficient:
- 5 ppm/°C typ.
• Fast interface timing
• Single +5 V to +15 V supply
DESCRIPTION:
Maxwell Technologies’ 7545A is a 12-bit CMOS-buffered mul-
tiplying DAC with internal data latches, which features a
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greater than 100 krad (Si) total dose tolerance, depending
upon space mission. The 7545A features a WR pulse width of
100 ns which allows interfacing to a much wider range of fast
8-bit and 16-bit microprocessors. It is loaded by a single 12-bit
wide word under the control of the CS and WR inputs; tying
these control inputs low makes the input latches transparent
allowing unbuffered operation of the DAC. The 7545A is par-
ticularly suitable for single supply operations and applications
with wide temperature variations.
Maxwell Technologies' patented RAD-PAK® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, RAD-PAK provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
02.05.02 REV 4
(858) 503-3300- Fax: (858) 503-3301- www.maxwell.com
All data sheets are subject to change without notice 1
©2001 Maxwell Technologies
All rights reserved.
datasheet pdf - http://www.DataSheet4U.net/

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