LTC4261 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC4261

Wide Range I²C Power Monitor

Linear Technology 

BLOCK DIAGRAM

LTC2945

VDD

SENSE+ SENSE–

ADR1

ADR0

DECODER

ALERT

VSTBY

5.7V

INTVCC

6.3V

20X

VSTBY

GEN

735k

VSTBY

735k

MUX

15k 15k

VREF = 2.048V

12-BIT ADC

I 2C

SDAO/SDAO

(LTC2945 / LTC2945-1)

LOGIC

12

REGISTERS

SDAI

6.4V

SCL

6.4V

ADIN

GND

2945 BD

TIMING DIAGRAM

SDA

SCL

tHD,STA

REPEATED START

CONDITION

tSU,DAT

tHD,DATO

tHD,DATI

tSU,STA

tSP

tHD,STA

tSP

tSU,STO

tBUF

2945 TD

REPEATED START

CONDITION

STOP

CONDITION

START

CONDITION

2945f

9

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