參數(shù)資料
型號: TDA7405
廠商: 意法半導(dǎo)體
英文描述: EQUALIZER CARRADIO SIGNAL PROCESSOR
中文描述: 均衡器CARRADIO信號處理器
文件頁數(shù): 7/56頁
文件大?。?/td> 815K
代理商: TDA7405
7/56
TDA7405
f
C
Center Frequency
f
C1
54
60
66
Hz
f
C2
63
70
77
Hz
f
C3
72
80
88
Hz
f
C4
81
90
99
Hz
f
C5
90
100
110
Hz
f
C6
117
130
143
Hz
f
C7
135
150
165
Hz
f
C8
180
200
220
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
Q
4
1.8
2
2.2
DC
GAIN
Bass-DC-Gain
DC = off
-1
0
+1
dB
DC = on
4
4.4
6
dB
TREBLE CONTROL
C
RANGE
Control Range
±14
+15
±16
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
f
C
Center Frequency
f
C1
8
10
12
kHz
f
C2
10
12.5
15
kHz
f
C3
12
15
18
kHz
f
C4
14
17.5
21
kHz
PAUSE DETECTOR
4)
V
TH
Zero Crossing Threshold
Window 1
40
mV
Window 2
80
mV
Window 3
160
mV
I
DELAY
Pull-Up Current
15
25
35
μA
V
THP
Pause Threshold
3.0
V
4. If configured as Pause-Output
SPEAKER ATTENUATORS
R
in
Input Impedance
35
50
65
k
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
A
MUTE
Output Mute Attenuation
80
90
dB
E
E
Attenuation Set Error
2
dB
V
DC
DC Steps
Adjacent Attenuation Steps
0.1
5
mV
Table 1. ELECTRICAL CHARACTERISTICS
(continued)
(V
S
=9V; T
amb
=25°C; R
L
=10k
; all gains=0dB; f=1kHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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