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8408 Datasheet

  • 8408

  • Quad 8-Bit Multiplying CMOS D/A Converter with Memory

  • 472.88KB

  • 20页

  • MAXWELL

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Quad 8-Bit Multiplying CMOS
D/A Converter with Memory
8408
Logic Diagram
Memory
F
EATURES
:
鈥?R
AD
-P
AK
庐 patented shielding against natural
鈥?space radiation
鈥?Total dose hardness:
- equal to 100 krad (Si), depending upon orbit
and space mission
鈥?Package:
- 28 pin R
AD
-P
AK
庐 Flat Pack
鈥?Single Supply Ooperation (+5V)
鈥?Four 8 Bit DACs in one 28 Pin Package
鈥?D/As Matched to within 1%
鈥?TTL/CMOS Compatable
鈥?Four-Quadrant Multiplication
own reference input, feedback resistor, and onboard data
latches that feature read/write capability. The readback func-
tion serves as memory for those systems requiring self-diag-
nostics.
A common 8-bit TTL/CMOS compatible input port is used to
load data into any of the four DAC data-latches. Control lines
DS1, DS2 and A/B determine which DAC will accept data.
Data loading is similar to that of a RAMs write cycle. Data can
be read back onto the same bus with control line R/W. The
8408 is a bus compatible with most 8-bit microprocessors,
including the 6800, 8080, 8085, and Z80. The 8408 operates
on a single +5 volt supply and dissipates less than 20 mW.
The 8408 is manufactured using highly stable, thin-film resis-
tors on an advanced oxide-isolated, silicon-gate, CMOS pro-
cess. The improved latch-up resistant design eliminates the
need for external protective Schottky diodes.
Maxwell Technologies' patented R
AD
-P
AK
庐 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, R
AD
-P
AK
provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
D
ESCRIPTION
:
Maxwell Technologies鈥?8408 is a monolithic quad 8-bit multi-
plying digital-to-analog CMOS converter. Each DAC has its
08.20.02 REV 1
All data sheets are subject to change without notice
1
(858) 503-3300- Fax: (858) 503-3301- www.maxwell.com
漏2002 Maxwell Technologies
All rights reserved.

8408 产品属性

  • Keystone Electronics

  • 电路板硬件 - PCB

  • Standoffs, Hex Male/Female Threaded

  • 1.375 in

  • 0.25 in

  • 4-40

  • Male/Female .250 Hex Threaded Standoffs

  • Aluminum

  • Iridite

  • 100

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