MAS3549F datasheet(76/92 Pages) MICRONAS

76 / 92 page

MAS 35x9F

DATA SHEET

June 30, 2004; 6251-505-1DS

Micronas

4.6.2.4. S/PDIF Input Characteristics

at T = TA, VSUPD, VSUPA = 2.2 ... 3.6 V, fCrystal = 18.432 MHz, Typ. values for TA =25 °C in P(L/M)QFP package.

Fig. 4–26: Timing of the S/PDIF input

Symbol

Parameter

Pin Name

Limit Values

Unit

Test Conditions

Min.

Typ.

Max.

Signal amplitude

SPDI1, SPDI2,

SPDIR

200

500

1000

mVpp

fs1

Bi-phase frequency

SPDI1, SPDI2,

SPDIR

2.048

MHz

±1000 ppm, f

s = 48 kHz

fs2

Bi-phase frequency

SPDI1, SPDI2,

SPDIR

2.822

MHz

±1000 ppm,

fs = 44.1 kHz

fs3

Bi-phase frequency

SPDI1, SPDI2,

SPDIR

3.072

MHz

±1000 ppm, f

s = 32 kHz

Bi-phase period

SPDI1, SPDI2,

SPDIR

326

at fs = 48 kHz, (highest

sampling rate)

Rise time

SPDI1, SPDI2,

SPDIR

065

at fs = 48 kHz, (highest

sampling rate)

Fall time

SPDI1, SPDI2,

SPDIR

065

at fs = 48 kHz, (highest

sampling rate)

Duty cycle

SPDI

at bit value=1 and

fs =48kHz

tH1,L1

SPDI

163

minimum/maximum pulse

duration with a level

above 90 % or below

10 % and at fs =48kHz

tH0,L0

SPDI

163

244

minimum/maximum pulse

duration with a level

above 90 % or below

10 % and at fs =48kHz

Bit value = 1

Bit value = 0

tH1

tL1

tH0

tL0

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