TDA7430 查看數據表（PDF） - STMicroelectronics
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TDA7430 Datasheet PDF : 23 Pages
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TDA7430 - TDA7431
Table 5. Electrical Characteristcs (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
Parameter
Test Condition
Min. Typ. Max. Unit
SUPPLY
VS Supply Voltage
IS
Supply Current
SVR Ripple Rejection
INPUT STAGE
RIN Input Resistance
VCL Clipping Level
CRANGE Control Range
AVMIN Min. Attenuation
AVMAX Max. Attenuation
ASTEP
VDC
Step Resolution
DC Steps
AVO1 Voice Canceler Output 1
AVO2 Voice Canceler Output 2
AVO3 Voice Canceler Output 3
RLPV Low Pass Filter Resistance
RMIX Input Impedance
BASS CONTROL
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
1
32
1
3
7
1
7
41.6
130
KΩ
Vrms
dB
dB
dB
dB
mV
dB
dB
dB
KΩ
KΩ
Gb Control Range
BSTEP Step Resolution
RB Internal Feedback Resistance
MIDDLE CONTROL
Gm Control Range
MSTEP Step Resolution
RM Internal Feedback Resistance
TREBLE CONTROL
Gt Control Range
TSTEP Step Resolution
Max. Boost/cut
Max. Boost/cut
Max. Boost/cut
±11.5 ±14.0 ±16.0 dB
1
2
3
dB
32
44
56
KΩ
±11.5 ±14.0 ±16.0 dB
1
2
3
dB
17.5
25
32.5
KΩ
±13.0 ±14.0 ±15.0 dB
1
2
3
dB
6/23
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