參數(shù)資料
型號: TDA7514
廠商: 意法半導(dǎo)體
英文描述: SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
中文描述: 單芯片F(xiàn)M /調(diào)幅調(diào)諧立體聲解碼器和音頻處理器
文件頁數(shù): 24/74頁
文件大?。?/td> 604K
代理商: TDA7514
TDA7514
24/74
LOUDNESS CONTROL
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
A
MAX
Max Attenuation
-21
-19
-17
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
f
PeakLPF
LPF Peak Frequency
f
P1
32.5
Hz
f
P2
40
Hz
f
P3
150
Hz
f
PeakLPF
HPF Peak Frequency
f
P1
4
kHz
f
P2
6
kHz
f
P3
8
kHz
f
P4
10
kHz
VOLUME CONTROL
G
MAX
Max Gain
14
15
16
dB
A
MAX
Max Attenuation
-83
-79
-75
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
E
A
Attenuation Set Error
G = -20 to +15dB
2
dB
G = -79 to -20dB
4
dB
E
T
Tracking Error
2
dB
V
DC
DC Steps
Adjacent Attenuation Steps
0.1
3
mV
From 0dB to G
MIN
0.5
5
mV
SOFT MUTE
A
MUTE
Mute Attenuation
80
dB
T
D
Delay Time
T1
0.48
ms
T2
0.96
ms
T3
20.2
ms
T4
40.4
ms
V
TH Low
Low Threshold for SM Pin
1
V
V
TH High
High Threshold for SM Pin
2.5
V
BASS CONTROL
C
RANGE
Control Range
±
14
±
15
±
16
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
fc
Center Frequency
f
C1
54
60
66
Hz
f
C2
72
80
88
Hz
f
C3
90
100
110
Hz
f
C4
117
130
143
Hz
Q
BASS
Quality Factor
Q
1
0.9
1
1.1
Q
2
1.1
1.25
1.4
Q
3
1.3
1.5
1.7
Table 9. (continued)
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