參數(shù)資料
型號(hào)： STV0056AF
廠商： 意法半導(dǎo)體
英文描述： Satellite Sound and Video Processor(衛(wèi)星探測(cè)和視頻處理器)
中文描述： 衛(wèi)星聲音和視頻處理器（衛(wèi)星探測(cè)和視頻處理器）
文件頁(yè)數(shù)： 12/27頁(yè)
文件大?。?/td> 224K
代理商： STV0056AF
DC ANDAC ELECTRICAL CHARACTERISTICS
(continued)
(V
CC
= 12V,V
DD
= 5V,T
amb
= 25
o
C unless otherwise specified)
Symbol
AUDIO OUTPUT (Pins VOL OUT R, VOL OUT L)
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DCOL
AOLN
DC Output Level
Audio Output Level
with Reg 00= 1A
4.8
1.9
V
FM input as for APA50
No de-emphasis, No pre-emphasis
No noise reduction
FM input as for APA50
50
μ
s de-emphasis, 27k
//2.7nF load
No pre-emphasis, No noise reduction
FM input as for APA50
75
μ
s de-emphasis, 27k
//2.7nF load
No pre-emphasis, No noise reduction
FM input as for APA50
J17 de-emphasis, 36k
4.7k
8.2nF load
No pre-emphasis, No noise reduction
1V
PP
- 1kHz from S2 RTN Pins
1.5
2.34
V
PP
AOL50
Audio Output Level
with Reg 00= 1A
2.0
3.3
4.0
V
PP
AOL75
Audio Output Level
with Reg 00= 1A
2.0
3.3
4.0
V
PP
AOL17
Audio Output Level
with Reg 00= 1A
2.0
3.2
4.0
V
PP
AMA1
Audio Output Attenuation
with Mute-on. Reg 00 = 00.
Max Attenuation before Mute.
Reg 00 = 01.
Audio Gain. Reg 00 = 1F.
Attenuation of each of the 31
steps
THD with Reg 00 = 1A
THD with Reg 00 = 1A
THD with Reg 00 = 1A
60
65
dB
MXAT
1kHz, from S2 RTN Pins
32.75
dB
MXAG
ASTP
1kHz, from S2 RTN Pins
1kHz
5
6
7
dB
dB
1.25
THDA1
THDA2
THDFM
1V
PP
-1kHz from S2 RTN Pins
2V
PP
-1kHz from S2 RTN Pins
FM input as for APA50
75
μ
s de-emphasis, ANRS ON
1V
PP
-1kHz on S2 RTN Pins
0.15
0.3
0.3
%
%
%
1
1
ACS
ACSFM
Audio Channel Separation
Audio Channel Separationat 1kHz - 0.5 V
- 50kHz deviationFM input on
one channel
- 0.5V
no deviation FM input on the
other channel
- Reg 05 = 36
- 75
μ
s de-emphasis, no ANRS
Signal to Noise Ratio
FM input as for APA50,
75
μ
s de-emphasis,
no ANRS, Unweighted
SNFMNR Signal to Noise Ratio
60
74
60
dB
dB
SNFM
56
dB
FM input as for APA50
75
μ
s de-emphasis,
ANRS ON, Unweighted
Low impedance mode
High impedance mode
69
dB
Z
OUT L
Z
OUT H
AUXILIARY AUDIO OUTPUT (PinsS2 OUT R, S2 OUT L, S3 OUT R, S3 OUT L)
DCOLAO DC output level
AOLNS
Audio Output Level
on S2 and S3
Audio Output Impedance
30
18
44
55
k
Aux. input pins open circuit
FM input as for APA50
No de-emphasis, No pre-emphasis
No noise reduction
FM input as for APA50
50
μ
s de-emphasis, 27k
//2.7nF load
No pre-emphasis, No noise reduction
FM input as for APA50
75
μ
s de-emphasis, 27k
//2.7nF load
No pre-emphasis, No noise reduction
FM input as for APA50
J17 de-emphasis, 36k
4.7k
8.2nF load
No pre-emphasis, No noise reduction
1kHz
4.8
2
V
1.55
2.42
V
PP
AOL50S
Audio Output Level
on S2 and S3
2.0
3.4
4.0
V
PP
AOL75S
Audio Output Level
on S2 and S3
2.0
3.4
4.0
V
PP
AOL17S
Audio Output Level
on S2 and S3
2.0
3.3
4.0
V
PP
AGAO
S2 to S3 Audio Gain
and S3to S2 Audio Gain
THD on S2, Input in S3
-1
0
+1
dB
THDA02
2V
PP
- 1kHz from Aux input pins
0.04
0.2
%
0
STV0056AF
12/27
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