7431 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
比赛名单
7431
STMicroelectronics
7431 Datasheet PDF : 21 Pages
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TDA7430 - TDA7431
ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ,
Vin = 1Vrms; RG = 600Ω, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz
unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min. Typ. Max. Unit
VS
IS
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT STAGE
RIN
Input Resistance
VCL
Clipping Level
CRANGE Control Range
AVMIN
Min. Attenuation
AVMAX
Max. Attenuation
ASTEP
Step Resolution
VDC
DC Steps
AVO1
Voice Canceler Output 1
AVO2
Voice Canceler Output 2
AVO3
Voice Canceler Output 3
RLPV
RMIX
Low Pass Filter Resistance
Input Impedance
BASS CONTROL
Gb
Control Range
BSTEP
Step Resolution
RB
Internal Feedback Resistance
MIDDLE CONTROL
Gm
Control Range
MSTEP
RM
Step Resolution
Internal Feedback Resistance
TREBLE CONTROL
Gt
Control Range
TSTEP
Step Resolution
EFFECT CONTROL
CRANGE Control Range
SSTEP
Step Resolution
LCH / RCH out, Mode = OFF
7
9
10.2
V
10
18
26
mA
60
80
dB
35
THD = 0.3%
2
-1
31
adjacent att. step
LIN = RIN, RIN = ON,
Vmix = 0V FIX, 0dB attenuation
LIN = RIN = 0V Vmix = 1Vrms FIX,
0dB attenuation
LIN = -RIN, Vmix = 0V FIX,
0dB attenuation
-3
5
-1
5
22.4
70
50
2.5
31.5
0
31.5
0.5
0
6
0
6
32
100
65
KΩ
Vrms
dB
1
dB
32
dB
1
dB
3
mV
7
dB
1
dB
7
dB
41.6 KΩ
130 KΩ
Max. Boost/cut
+11.5 +14.0 +16.0 dB
1
2
3
dB
32
44
56
KΩ
Max. Boost/cut
+11.5 +14.0 +16.0 dB
1
2
3
dB
17.5
25
32.5 KΩ
Max. Boost/cut
+13.0 +14.0 +15.0 dB
1
2
3
dB
- 21
-6
dB
0.5
1
1.5
dB
6/21
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