SM5844 datasheet(9/26 Pages) NPC

9 / 26 page

SM5844AF

NIPPON PRECISION CIRCUITS—9

DEEM, DMUTE inputs

DOUT, BCKO, LRCO input/outputs

SLAVE = LOW (outputs), CL = 15 pF

SLAVE = HIGH (inputs), CL = 15 pF

P arameter

Symbol

Rating

Unit

min

typ

m a x

Rise time

–

100

Fall time

–

100

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

LRCO pulse cycle

tLOCY

–

1/fso

–

LRCO LO W -level pulsewidth

tLOCL

–

1/2fso

–

LRCO HIGH-level pulsewidth

tLOCH

–

1/2fso

–

B C K O pulse cycle

tBOCY

OCKSL = LOW

–

1/64fso

–

OCKSL = HIGH

–

1/48fso

–

B C K O L OW -level pulsewidth

tBOW L

OCKSL = LOW

–

1/128fso

–

OCKSL = HIGH

–

1/96fso

–

B C K O HIGH-level pulsewidth

tBOW H

OCKSL = LOW

–

1/128fso

–

OCKSL = HIGH

–

1/96fso

–

OCLK to BCKO delay time

(OCKSL = LOW )

tsbH1

From OCLK fall to BCKO

rise

1 0–7 0

tsbL1

From OCLK fall to BCKO

fall

1 0–7 0

OCLK to BCKO delay time

(OCKSL = HIGH)

tsbH2

From OCLK fall to BCKO

rise

1 5–8 0

tsbL2

From OCLK fall to BCKO

fall

1 5–8 0

B C K O to DOUT and LRCO delay

time

tbdH1

From BCKO fall to DOUT

rise

0–

2 0

tbdL1

From BCKO fall to DOUT

fall

0–

2 0

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

B C K O to DOUT delay time

tbdH2

From BCKO fall to DOUT

rise

–

100

tbdL2

From BCKO fall to DOUT

fall

–

100

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