SM5849 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM5849

Asynchronous Sample Rate Converter

Nippon Precision Circuits  

SM5849AF

Serial outputs (DOUT, BCKO, LRCO)

SLAVE = LOW, CL = 15pF

Parameter

LRCO pulse cycle

L R C O L OW -level pulsewidth

LRCO HIGH-level pulsewidth

BCKO pulse cycle

B C KO LOW -level pulsewidth

BCKO HIGH-level pulsewidth

BCKO to DOUT and LRCO delay

time

Symbol

Condition

Rating

Unit

min

typ

max

tL O C Y

tL O W L

tL O W H

tB O C Y

OCKSL = LOW

OCKSL = HIGH

–

1/fso

–

ns

–

1/2fso

–

ns

–

1/2fso

–

ns

–

1/64fso

–

ns

–

1/48fso

–

tB O W L

OCKSL = LOW

OCKSL = HIGH

–

1/128fso

–

ns

–

1/96fso

–

tB O W H

OCKSL = LOW

OCKSL = HIGH

–

1/128fso

–

ns

–

1/96fso

–

tB D H 1

B C K O fall to DOUT, LRCO rise

–5

–

20

ns

tB D L 1

B C K O fall to DOUT, LRCO fall

–5

–

20

ns

SLAVE = HIGH, CL = 15pF

Parameter

BCKO to DOUT delay time

Symbol

tB D H 2

tB D L 2

Condition

B C KO fall to DOUT rise

B C KO fall to DOUT fall

Rating

Unit

min

typ

max

0

–

50

ns

0

–

50

ns

BCKO

DOUT

LRCO

tBOCY

tBOWL

tBOWH

t BDH1, tBDL1

tBDH2, tBDL2

t BDH

t BDL

tLOWH

tLOCY

tLOWL

0.5VDD

0.5VDD

0.5VDD

NIPPON PRECISION CIRCUITS—12

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