8408

更新时间： 2024-11-22 21:53:19

品牌	Logo	应用领域
麦斯威 - MAXWELL		转换器
页数	文件大小	规格书
20页	472K
描述
Quad 8-Bit Multiplying CMOS D/A Converter with Memory

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8408 数据手册

8408

Quad 8-Bit Multiplying CMOS

D/A Converter with Memory

Logic Diagram

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.

FEATURES:

•

RAD-PAK® patented shielding against natural

space radiation

Total dose hardness:

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.

- equal to 100 krad (Si), depending upon orbit

and space mission

Package:

- 28 pin R^AD-PAK® Flat Pack

Single Supply Ooperation (+5V)

Four 8 Bit DACs in one 28 Pin Package

D/As Matched to within 1%

TTL/CMOS Compatable

•

Four-Quadrant Multiplication

Maxwell Technologies' patented R^AD-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, R^AD-PAK provides greater than 100

krad (Si) radiation dose tolerance. This product is available

with screening up to Class S.

DESCRIPTION:

Maxwell Technologies’ 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

(858) 503-3300- Fax: (858) 503-3301- www.maxwell.com

12 3 4 5 6 7...20

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