LTC2414IGN datasheet(14/48 Pages) LINER

14 / 48 page

LTC2414/LTC2418

241418fa

APPLICATIO S I FOR ATIO

Figure 3a. Input/Output Data Timing

SDO

Hi-Z

SIG

DMY

BIT29

MSB

B22

CONVERSON RESULT

BIT28

BIT27

BIT26

BIT25

BIT24

LSB

BIT6

SGL

BIT5

BIT3

BIT2

BIT1

PARITY

BIT0

ODD/

SIGN

BIT4

BIT30

SCK

SDI

SLEEP

DATA INPUT/OUTPUT

BIT31

EOC

SGL

DON’T CARE

CONVERSION

241418 F03a

ODD/

SIGN

ADDRESS CORRESPONDING TO RESULT

ADDRESS

N – 1

CONVERSION RESULT

N – 1

ADDRESS

N + 1

ADDRESS

N + 2

OUTPUT

N – 1

OUTPUT

N + 1

SDO

SCK

SDI

OPERATION

Hi-Z

DON’T CARE

CONVERSION N

241418 F03b

CONVERSION N + 1

DON’T CARE

Hi-Z

CONVERSION RESULT

N + 1

ADDRESS

N + 1

Figure 3b. Typical Operation Sequence

Table 1. Channel Selection for the LTC2414 (Bit A2 Should Always Be 0)

MUX ADDRESS

CHANNEL SELECTION

ODD/

SGL

SIGN

A2 A1 A0

01234567

COM

000

IN+

IN–

001

IN+

IN–

010

IN+

IN–

011

IN+

IN–

000

IN–

IN+

001

IN–

IN+

010

IN–

IN+

011

IN–

IN+

000

IN+

IN–

001

IN+

IN–

010

IN+

IN–

011

IN+

IN–

000

IN+

IN–

001

IN+

IN–

010

IN+

IN–

011

IN+

IN–

*Default at power up

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