MAS9181C datasheet(1/9 Pages) MAS

部件名	MAS9181C

功能描述	OCTAL 8 BIT TRIMMER IC

PDF	9 Pages

Scroll/Zoom	100%

制造商	MAS [Micro Analog systems]

网页	http://www.mas-oy.com

标志

1 / 9 page

DA9181.006

13 October, 1999

1

MAS9181B/C

OCTAL 8-BIT TRIMMER IC

· Eight discrete DACs

· I

2C-bus slave receiver

· Voltage output

DESCRIPTION

The MAS9181 comprises eight digital to analog

converters (DACs) each controlled by a two-wire I2C

bus. The DACs are individually programmed using an 8-

bit word to select an output from one of 256 voltage

steps. The maximum output voltage of all DACs is set

by Vmax and the resolution is Vmax/256. At power-on all

outputs are set to their lowest value. The I2C-bus slave

receiver has 3 programmable address pins (2 for

MAS9181 CS).

FEATURES

APPLICATION

· Rail to rail output stages

· Octal 8-bit DACs on a single monolithic chip

· Power supply range from +5 V to +12 V

· -20

°C to +85°C temperature range

· 16-pin PDIL and SO package

· Power-up reset

· Trimmer replacement

· AGC/AFT or TVs and VCRs

· Graphic equalizers

· High resolution monitors

BLOCK DIAGRAM

Reference

Voltage

Generator

8-BIT DAC

DAC7

8-BIT DAC

DAC6

DAC5

DAC4

DAC3

DAC2

DAC1

DAC0

VDD

A0

SDA

SCL

A1

A2

Vmax

GND

I C Bus

Slave

Receiver

2

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