LTC1598 Ver la hoja de datos (PDF) - Linear Technology

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LTC1598

4- and 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Converters

Linear Technology 

TEST CIRCUITS

Voltage Waveforms for DOUT Delay Times, tdDO

CSMUX

= CSADC

= CS

CLK

DIN

EN D2 D1 DO

DOUT

MPU

TRANSMIT

WORD

MPU

RECEIVED

WORD

0 0 0 0 EN D2 D1 D0

BYTE 1

??????? ?

BYTE 1

DON‘T CARE

B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2

X X XX XX X X

BYTE 2

? ? 0 B11 B10 B9 B8 B7

BYTE 2

XXXXXX XX

BYTE 3

B6 B5 B4 B3 B2 B1 B0 B1

BYTE 3

1594/98 TA03

LTC1594/LTC1598

Voltage Waveforms for ten

LTC1594/LTC1598

CSADC

CLK

DOUT

1

2

VOL

ten

B11

1594/98 TC06

Load Circuit for tdis and ten

TEST POINT

DOUT

3k

100pF

VCC tdis WAVEFORM 2, ten

tdis WAVEFORM 1

1594/98 TC04

Voltage Waveforms for tdis

CSADC = CSMUX = CS

VIH

DOUT

WAVEFORM 1

(SEE NOTE 1)

90%

tdis

DOUT

WAVEFORM 2

(SEE NOTE 2)

10%

NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH

THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL.

NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH

THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL.

1594/98 TC05

15948fb

9

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