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參數(shù)資料
| 型號(hào)： | 7431 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER |
| 中文描述： | 數(shù)控式環(huán)繞聲矩陣和消音器的音頻處理器 |
| 文件頁數(shù)： | 8/21頁 |
| 文件大?。?/td> | 168K |
| 代理商： | 7431 |
ELECTRICALCHARACTERISTICS
(continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SURROUND SOUND MATRIXPHASE
R
PS10
Phase Shifter 1: D1 = 0, D0 = 0
R
PS11
Phase Shifter 1: D1 = 0, D0 = 1
R
PS12
Phase Shifter 1: D1 = 1, D0 = 0
R
PS13
Phase Shifter 1: D1 = 1, D0 = 1
R
PS20
Phase Shifter 2: D3 = 0, D2 = 0
R
PS21
Phase Shifter 2: D3 = 0, D2 = 1
R
PS22
Phase Shifter 2: D3 = 1, D2 = 0
R
PS23
Phase Shifter 2: D3 = 1, D2 = 1
R
PS30
Phase Shifter 3: D5 = 0, D4 = 0
R
PS31
Phase Shifter 3: D5 = 0, D4 = 1
R
PS32
Phase Shifter 3: D5 = 1, D4 = 0
R
PS33
Phase Shifter 3: D5 = 1, D4 = 1
R
PS40
Phase Shifter 4: D7 = 0, D6 = 0
R
PS41
Phase Shifter 4: D7 = 0, D6 = 1
R
PS42
Phase Shifter 4: D7 = 1, D6 = 0
R
PS43
Phase Shifter 4: D7 = 1, D6 = 1
8.3
10
12.6
26.4
4
4.8
6
12.9
8.5
10.2
12.7
27.4
8.5
10.2
12.7
27.4
11.8
14.1
17.9
37.3
5.6
6.8
8.4
18.3
12.1
14.5
18.1
39.1
12.1
14.5
18.1
39.1
15.2
18.3
23.3
48.85
7.2
8.7
10.9
23.7
15.6
18.7
23.3
50.75
15.6
18.7
23.3
50.75
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
SPEAKER & RECORDATTENUATORS
C
range
Control Range
S
STEP
Step Resolution
E
A
Attenuation set error
79
1
0
0
0
100
30
dB
dB
dB
dB
mV
dB
K
-0.5
-1.5
-3
-3
+70
21
1.5
1.5
2
3
Av = 0 to -20dB
Av = -20 to -79dB
adjacent att. steps
V
DC
A
MUTE
R
VEA
DC Steps
Output Mute Condition
Input Impedance
39
AUDIOOUTPUTS
N
O(OFF)
Output Noise (OFF)
Output Mute, Flat
B
W
= 20Hz to 20KHz
Mode =Movie ,
B
W
= 20Hz to 20KHz
Mode = Music ,
B
W
= 20Hz to 20KHz,
Mode = Simulated,
B
W
= 20Hz to 20KHz
Av = 0 ; V
in
= 1Vrms
4
5
μ
Vrms
μ
Vrms
μ
Vrms
N
O(MOV)
Output Noise (Movie)
30
N
O(MUS)
Output Noise (Music)
30
mVrms
N
O(MON)
Output Noise (Simulated)
30
μ
Vrms
d
Distorsion
Channel Separation
Clipping Level
Output Resistance
DC Voltage Level
0.01
90
2.5
40
3.8
0.1
%
dB
Vrms
V
S
C
V
OCL
R
OUT
V
OUT
70
2
10
d = 0.3%
70
BUS INPUTS
V
IL
V
IH
I
IN
V
O
Input Low Voltage
Input High Voltage
Input Current
Output Voltage SDA
Acknowledge
1
V
V
μ
A
V
3
-5
+5
0.4
I
O
= 1.6mA
TDA7430 - TDA7431
8/21
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