SAA2502H 데이터 시트보기 (PDF) - Philips Electronics

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SAA2502H

ISO/MPEG Audio Source Decoder

Philips Electronics 

Philips Semiconductors

ISO/MPEG Audio Source Decoder

Preliminary specification

SAA2502

handbook, full pagewidth

Nf

(1)

transferred

input bits

slope = maximum

CDCL frequency

MGE476

jitter limits

slope = CDCL frequency

0

0

slope = input bit rate

(2)

time

Tf

(1) Ideal frame transfer characteristics are restricted to this area.

(2) Ideal frame transfer characteristic (example).

Fig.9 Slave input data transferring speed.

The shaded area in Fig.9 represents the restrictions to the

transfer characteristic of a frame. The characteristic may

not cross the shown upper limit of the shaded area in order

to prevent input buffer underflow and/or overflow.

The slope of the upper limit is determined by the sample

frequency as shown in Table 5.

Table 5 Slope of the upper limit determined by sampling

frequency

SAMPLE FREQUENCY

(kHz)

48

44.1

32

24

22.05

16

MAXIMUM CDCL

FREQUENCY (kbits/s)

768

705.6

512

384

352.8

256

1997 Nov 17

14

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