MAS3507D Micronas Intermetall, MAS3507D Datasheet - Page 53

• Manufacturer Part Number: MAS3507D
• Description: Mpeg 1/2 Layer 2/3 Audio Decoder
• Manufacturer: Micronas Intermetall

PRELIMINARY DATA SHEET
4.2.4.4. Firmware Characteristics
at T
cycle = 50 %
4.2.4.4.1. Input Timing Parameters of the MultimediaMode
PI19
Fig. 4–19: Demand mode
T
ing edge of the demand signal at the pin PI19.
T
ing edge of the demand signal at the pin PI19.
Micronas
sdstart
sdstop
Symbol
Synchronization Times
t
Ranges
PLLRange
Symbol
T
T
T
T
T
mpgsync
sdstart
sdstart
sdstar
sdstar
sdstop
A
= 30 to 85 °C, V
refers to the maximal response time for a serial data source to stop data transmission with respect to the fall-
refers to the maximal response time for a serial data source to start data transmission with respect to the ris-
H
L
Parameter
Synchronization on MPEG Bit Streams
Tracking range of sampling clock
recovery PLL
Parameter
Reaction time for data source
Reaction time for data source
Reaction time for data source
Reaction time for data source
Reaction time for data source
SUP
= 2.5 to 3.6 V, typ. values at T
T
sdstart
Pin Name
PI19
Min.
200
Min.
3.1
4.2
23.1
34.8
Typ.
12...36
A
= 27°C, V
Typ.
T
sdstop
Max.
72
200
SUP
Max.
5.7
9.2
25.6
38.4
1.3
= 2.7 V, CLK
Unit
ms
ppm
Unit
ms
ms
ms
ms
ms
Test Conditions
f
Broadcast mode
s
Test Conditions
f
320...64 kbit/s
f
320...32 kbit/s
f
64...16 kbit/s
f
64...8 kbit/s
MAS 3507D
F
s
s
s
s
= 32 kHz, MPEG 2.5
= 48 kHz,
= 24 kHz,
= 12 kHz,
= 8 kHz,
= 14.725 MHz, duty
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