SP9841

更新时间： 2024-11-28 09:10:03

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
32页	736K
描述
8-Bit Octal, 2-Quadrant Multiplying, BiCMOS DAC

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SP9841 数据手册

SP9841/42

8-Bit Octal, 2-Quadrant Multiplying, BiCMOS DAC

■ Replaces 8 Potentiometers and 8 Op Amps

■ Operates from Single +5V Supply

■ 6.3 MHz 2-Quadrant Multiplying Gain Band-

width

■ No Signal Inversion

■ Eight Reference Inputs, Eight Voltage

Outputs (SP9841)

■ Four Reference Inputs, Eight Voltage

Outputs (SP9842)

■ 3-Wire Serial Input

■ 0.8MHz Data Update Rate

■ +3.25 Volt Output Swing

■ Midscale Preset

■ Low 65 mW Power Dissipation (8mW/DAC)

DESCRIPTION…

The SP9841 and SP9842 are general purpose octal DACs in a single package. The SP9841

features eight individual reference inputs, while the SP9842 provides four pair of voltage

reference inputs. Both parts feature 6.3MHz bandwidth, two–quadrant multiplication, and a

three–wire serial interface. Other features include midscale preset, no signal inversion and low

power dissipation from a single +5V supply. Devices are available in commercial and industrial

temperature ranges.

V_INA

DAC A

–

_OUTA

Data

Clock

Serial Data Input

Serial Data Output

SERIAL

8 x 8

DAC

SP9842 Block Diagram

Preset

Load

DAC A

DAC B

_INH

–

LOGIC

V_OUTA

DAC H

_OUTH

Decoded

Address

_INA/B

_OUTB

Data

Clock

Serial Data Input

Serial Data Output

–

SERIAL

8 x 8

DAC

SP9841

V_REFLow

Preset

Load

SP9841 Block Diagram

LOGIC

DAC G

V_OUTG

–

Decoded

Address

_ING/H

_OUTH

DAC H

SP9842

–

V_REFLow

267

12 3 4 5 6 7...32

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