PCM4222_07 datasheet(6/40 Pages) BURR-BROWN

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ELECTRICAL CHARACTERISTICS: AUDIO INTERFACE TIMING

PCM4222

SBAS399A – OCTOBER 2006 – REVISED MARCH 2007

All specifications are at TA = +25°C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.

PCM4222

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

AUDIO SERIAL PORT (PCM OUTPUT)

LRCK period, tLRCKP

All data formats

4.62

125

µs

LRCK high/low time, tLRCKHL

0.45

× t

LRCKP

0.55

× t

LRCKP

µs

Left-Justified and I2S data formats

LRCK high/low time, tLRCKHL

TDM data formats

0.45

× t

LRCKP

0.55

× t

LRCKP

µs

BCK period, tBCKP

Left-Justified and I2S data formats

Normal sampling

tLRCKP/128

Double Speed sampling

tLRCKP/64

Quad Speed sampling

tLRCKP/64

BCK period, tBCKP

TDM data formats

Normal sampling

tLRCKP/256

Double Speed sampling

tLRCKP/128

Quad Speed sampling

tLRCKP/64

BCK high/low time, tBCKHL

All data formats

0.45

× t

BCKP

0.55

× t

BCKP

Data output delay, tDO

All data formats

DSD OUTPUT

DSDCLK period, tDSDCLKP

64x output rate

289

1954

128x output rate

144.5

977

DSDCLK high/low time, tDSDCLKHL

0.45

× t

DSDCLKP

0.55

× t

DSDCLKP

Data output delay, tDSDO

MULTI-BIT MODULATOR OUTPUT

MCKI period, tMCKIP

72.3

488.3

MCKI high/low time, tMCKIHL

0.45

× t

MCKIP

0.55

× t

MCKIP

WCKO period, tWCKOP

144.5

977

WCKO high/low time, tWCKOHL

0.45

× t

WCKOP

0.55

× t

WCKOP

Data output delay, tMODO

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