TDA7430 Datasheet, PDF (6/21 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER

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
V_S
IS
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT STAGE
R_IN
Input Resistance
V_CL
Clipping Level
C_RANGE Control Range
A_VMIN
Min. Attenuation
A_VMAX
Max. Attenuation
A_STEP
Step Resolution
V_DC
DC Steps
A_VO1
Voice Canceler Output 1
A_VO2
Voice Canceler Output 2
A_VO3
Voice Canceler Output 3
R_LPV
R_MIX
Low Pass Filter Resistance
Input Impedance
BASS CONTROL
Gb
Control Range
B_STEP
Step Resolution
R_B
Internal Feedback Resistance
MIDDLE CONTROL
Gm
Control Range
M_STEP
R_M
Step Resolution
Internal Feedback Resistance
TREBLE CONTROL
Gt
Control Range
T_STEP
Step Resolution
EFFECT CONTROL
C_RANGE Control Range
S_STEP
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
L_IN = R_IN, R_IN = ON,
V_mix = 0V FIX, 0dB attenuation
L_IN = R_IN = 0V V_mix = 1V_rms FIX,
0dB attenuation
L_IN = -R_IN, V_mix = 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
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