1418IG Просмотр технического описания (PDF) - Linear Technology

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1418IG

Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O

Linear Technology 

LTC1418

APPLICATIONS INFORMATION

24

CONVST

CONVST

26

BUSY

23

RD

17

SCLK

LTC1418

19

DOUT

20

EXT/INT

CS

25

INT

C0

SCK

μP OR DSP

MISO

1418 F24a

CS = EXT/INT = 0

t5

CONVST

t6

BUSY

HOLD

RD

SCLK

DOUT

(SAMPLE N)

Hi-Z

tCONV

t13

t9

t8

SAMPLE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

t10

D13 12 11 10 9 8 7 6 5 4 3 2 1 0

DATA N

FILL

ZEROS

t11

Hi-Z

1418 F24b

SCLK

DOUT

tLSCLK

VIL

t14

t15

D13

tHSCLK

D12

VOH

D11

VOL

CAPTURE ON CAPTURE ON

RISING CLOCK FALLING CLOCK

Figure 24. Internal Conversion Clock Selected. Data Transferred After Conversion Using an External SCLK. BUSY↑

Indicates End of Conversion

For more information www.linear.com/LTC1418

1418fa

25

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