DAC121S101EVAL datasheet(2/19 Pages) TI

No de pièce	DAC121S101EVAL

Description	12-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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Block Diagram

20114903

Pin Descriptions

TSOT

(SOT-23)

Pin No.

MSOP

Pin No.

Symbol

Description

14

V

OUT

DAC Analog Output Voltage.

2

8

GND

Ground reference for all on-chip circuitry.

31

V

A

Power supply and Reference input. Should be decoupled

to GND.

47

D

IN

Serial Data Input. Data is clocked into the 16-bit shift

register on the falling edges of SCLK after the fall of

SYNC.

5

6

SCLK

Serial Clock Input. Data is clocked into the input shift

register on the falling edges of this pin.

6

5

SYNC

Frame synchronization input for the data input. When this

pin goes low, it enables the input shift register and data

is transferred on the falling edges of SCLK. The DAC is

updated on the 16th clock cycle unless SYNC is brought

high before the 16th clock, in which case the rising edge

of SYNC acts as an interrupt and the write sequence is

ignored by the DAC.

2, 3

NC

No Connect. There is no internal connection to these

pins.

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DAC121S101EVAL Fiches technique(PDF) 2 Page - Texas Instruments

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