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7545A Schematic ( PDF Datasheet ) - Maxwell Technologies

Teilenummer 7545A
Beschreibung 12-Bit Buffered Multiplying Digital to Analog Converter
Hersteller Maxwell Technologies
Logo Maxwell Technologies Logo 




Gesamt 9 Seiten
7545A Datasheet, Funktion
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
http://www.DataSheet4U.net/
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/






7545A Datasheet, Funktion
12-Bit Buffered Multiplying
Digital to Analog Converter
7545A
SYMBOL
A
b
b2
c
D
E
eA
eA/2
e
L
Q
S1
S2
N
20 PIN RAD-PAK® DUAL IN LINE PACKAGE
DIMENSIONh t t p : / / w w w
MIN
--
0.014
0.045
0.008
--
0.220
0.125
0.015
0.005
0.005
NOM
0.202
0.018
0.050
0.010
1.000
0.290
0.300 BSC
0.150 BSC
0.100 BSC
0.145
0.045
0.025
--
20
MAX
0.230
0.026
0.065
0.018
1.060
0.310
0.155
0.070
--
--
D20-01
Note: All dimensions in inches
02.05.02 REV 4
All data sheets are subject to change without notice 6
©2001 Maxwell Technologies
All rights reserved.
.D
da

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