参数资料
型号: MAS3587F
厂商: Electronic Theatre Controls, Inc.
元件分类: 通用总线功能
英文描述: MPEG Layer 3 Audio Encoder/Decoder
中文描述: MPEG层3音频编码器/解码器
文件页数: 68/83页
文件大小: 734K
代理商: MAS3587F
MAS 3587F
ADVANCE INFORMATION
68
Micronas
4.6.3.4. S/PDIF Input Characteristics
at T
A
= T
A2
, V
SUPD
, V
SUPA
= 2.5 ... 3.6 V, f
Crystal
= 18.432 MHz, Typ. values for T
A
= 25
°
C.
Fig. 4
24:
Timing of the S/PDIF input
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
V
S
Signal amplitude
SPDI1, SPDI2,
SPDIR
200
500
1000
mV
pp
f
s1
Bi-phase frequency
SPDI1, SPDI2,
SPDIR
2.048
MHz
±
1000 ppm, f
s
= 48 kHz
f
s2
Bi-phase frequency
SPDI1, SPDI2,
SPDIR
2.822
MHz
±
1000 ppm,
f
s
= 44.1 kHz
f
s3
Bi-phase frequency
SPDI1, SPDI2,
SPDIR
3.072
MHz
±
1000 ppm, f
s
= 32 kHz
t
P
Bi-phase period
SPDI1, SPDI2,
SPDIR
326
ns
at f
s
= 48 kHz, (highest
sampling rate)
t
R
Rise time
SPDI1, SPDI2,
SPDIR
0
65
ns
at f
s
= 48 kHz, (highest
sampling rate)
t
F
Fall time
SPDI1, SPDI2,
SPDIR
0
65
ns
at f
s
= 48 kHz, (highest
sampling rate)
Duty cycle
SPDI
40
50
60
%
at bit value=1 and
f
s
= 48 kHz
t
H1,L1
SPDI
81
163
ns
minimum/maximum pulse
duration with a level above
90 % or below 10 % and
at f
s
= 48 kHz
t
H0,L0
SPDI
163
244
ns
minimum/maximum pulse
duration with a level above
90 % or below 10 % and
at f
s
= 48 kHz
t
P
t
R
t
F
Bit value = 1
Bit value = 0
t
H1
t
L1
t
H0
t
L0
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