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SM5819HQF

6-channel DSD-PCM Converter

Nippon Precision Circuits  

SM5819HQF

AC Electrical Characteristics

VDDH = 3.0 to 3.6V, VDDL = 2.3 to 2.7V, VSS = 0V, TOPR = –40 to 85°C, fs = 44.1kHz unless otherwise noted.

When DSBCK and PLRCK clocks are supplied by external clock input, their frequencies are related to the

MCK input frequency by the following frequency divider ratios.

(DSBCK) cycle

= 8 × MCK cycle (64fs)

(PLRCK) cycle [4fs mode] = 128 × MCK cycle (4fs)

(PLRCK) cycle [2fs mode] = 256 × MCK cycle (2fs)

(PLRCK) cycle [fs mode] = 512 × MCK cycle (fs)

System clock

I MCK pin

Parameter

"H"-level pulsewidth

"L"-level pulsewidth

Pulse cycle

Rise/fall time

Rating

Symbol

Unit

min

typ

max

t MCWH

13

–

–

ns

t MCWL

13

–

–

ns

t MCY

40

44.29 (1/512fs)

–

ns

tr , tf

–

–

10

ns

MCK

tMCWH

tMCY

tMCWL

tr

tf

0.9VDDH

0.5VDDH

0.1VDDH

External system clock

I EXIMCK pin

Parameter

"H"-level pulsewidth

"L"-level pulsewidth

Pulse cycle

Rise/fall time

Rating

Symbol

Unit

min

typ

max

t ECWH

13

–

–

ns

t ECWL

13

–

–

ns

t ECY

40

–

–

ns

ter , tef

–

–

10

ns

EXIMCK

tECWH

tECY

tECWL

ter

tef

0.9VDDH

0.5VDDH

0.1VDDH

NIPPON PRECISION CIRCUITS INC.—6

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