7545A

更新时间： 2024-11-23 21:53:19

品牌	Logo	应用领域
麦斯威 - MAXWELL		转换器数模转换器
页数	文件大小	规格书
9页	98K
描述
12-Bit Buffered Multiplying Digital to Analog Converter

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7545A 数据手册

7545A

12-Bit Buffered Multiplying

Digital to Analog Converter

R _FB

OUT1

12-BIT MULTIPYING

DAC

V_REF

AGND

V _DD

INPUT DATA LATCHES

DGND

DB11-DBO

FEATURES:

DESCRIPTION:

• RAD-PAK® patented shielding against natural space radia-

tion

• Total dose hardness:

Maxwell Technologies’ 7545A is a 12-bit CMOS-buffered mul-

tiplying DAC with internal data latches, which features a

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.

- > 100 krad (Si), depending upon space mission

• Excellent single event effects

- SEL : > 120 MeV/mg/cm²

- SEU_TH: > 120 MeV/mg/cm²using all 1’s

• Package:

- 20 pin R^AD-PAK® Flat Pack

- 20 pin R^AD-PAK® DIP

• Low gain temperature coefficient:

- 5 ppm/^°C typ.

• Fast interface timing

• Single +5 V to +15 V supply

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.

02.05.02 Rev 4

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...9

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