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參數(shù)資料
| 型號(hào)： | TDA7431 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP42 |
| 封裝： | 0.600 INCH, SDIP-42 |
| 文件頁(yè)數(shù)： | 18/21頁(yè) |
| 文件大?。?/td> | 431K |
| 代理商： | TDA7431 |
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ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10K
,
Vin = 1Vrms; RG = 600
, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz
unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
7
9
10.2
V
IS
Supply Current
10
18
26
mA
SVR
Ripple Rejection
LCH / RCH out, Mode = OFF
60
80
dB
INPUT STAGE
RIN
Input Resistance
35
50
65
K
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
CRANGE
Control Range
31.5
dB
AVMIN
Min. Attenuation
-1
0
1
dB
AVMAX
Max. Attenuation
31
31.5
32
dB
ASTEP
Step Resolution
0.5
1
dB
VDC
DC Steps
adjacent att. step
-3
0
3
mV
AVO1
Voice Canceler Output 1
LIN = RIN, RIN = ON,
Vmix = 0V FIX, 0dB attenuation
567
dB
AVO2
Voice Canceler Output 2
LIN = RIN = 0V Vmix = 1Vrms FIX,
0dB attenuation
-1
0
1
dB
AVO3
Voice Canceler Output 3
LIN = -RIN, Vmix = 0V FIX,
0dB attenuation
567
dB
RLPV
Low Pass Filter Resistance
22.4
32
41.6
K
RMIX
Input Impedance
70
100
130
K
BASS CONTROL
Gb
Control Range
Max. Boost/cut
+11.5
+14.0
+16.0
dB
BSTEP
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
32
44
56
K
MIDDLE CONTROL
Gm
Control Range
Max. Boost/cut
+11.5
+14.0
+16.0
dB
MSTEP
Step Resolution
1
2
3
dB
RM
Internal Feedback Resistance
17.5
25
32.5
K
TREBLE CONTROL
Gt
Control Range
Max. Boost/cut
+13.0
+14.0
+15.0
dB
TSTEP
Step Resolution
1
2
3
dB
EFFECT CONTROL
CRANGE
Control Range
- 21
- 6
dB
SSTEP
Step Resolution
0.5
1
1.5
dB
TDA7430 - TDA7431
6/21
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