1402 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

1402

Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

Linear Technology 

WU

W

TI I G DIAGRA S

LTC1402

SCK

t4

CONV

INTERNAL

S/H STATUS

t6

SAMPLE

DOUT

t2

t3

t7

1

2

34

5

6

7

8

9 10 11 12 13 14 15 16 1

2

t5

t0

HOLD

SAMPLE

t8a

t8

DOUT REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION

Hi-Z

Hi-Z

REF D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

REFRDY BIT + 12-BIT DATA WORD

tCONV

tTHROUGHPUT

HOLD

REF

1402 TD01

SCK

CONV

NAP

SLEEP

VREF

REFRDY

Nap Mode and Sleep Mode Waveforms

t1

t1

t12

t11

NOTE: NAP AND SLEEP ARE INTERNAL SIGNALS. REFRDY APPEARS AS A BIT IN THE DOUT WORD.

1402 TD02

SCK

DOUT

SCK to DOUT Delay

VIH

SCK

VIH

t8

t10

t9

VOH

DOUT

VOL

90%

10%

1402 TD03

9

Share Link: