TDA7429L Datasheet, PDF (5/16 Pages) STMicroelectronics – 3 BAND EQUALIZER AUDIO PROCESSOR WITH SUBWOOFER CONTROL

TDA7429L
Table 4. Electrical Characteristics
(refer to the test circuit T_amb = 25°C, V_S = 9V, R_L = 10KΩ,V_in = 1V_rms; R_G = 600Ω, all controls flat
(G = 0dB), L+R CTRL = +4dB, MODE = OFF; f = 1KHz unless otherwise specified).
Symbol
Parameter
Test Conditio n
Min. Typ. Max. Unit
CONTROL L+R
C_RANGE Control Range
- 11
+4
dB
S_STEP Step Resolution
0.5
1
1.5
dB
SPEAKER & AUX ATTENUATORS
C_RANGE Control Range
79
dB
S_STEP Step Resolution
-0.5
1
1.5
dB
E_A Attenuation set error
A_v = 0 to -20dB
-1.5
0
1.5
dB
A_v = -20 to -79dB
-3
0
2
dB
V_DC DC Steps
adjacent att. steps
-3
0
3
mV
A_MUTE Output Mute Condition
+70 100
dB
R_VEA Input Impedance
21
30
39
KΩ
AUDIO OUTPUTS
N_O(OFF) Output Noise (OFF)
Output Mute, Flat
BW = 20Hz to 20KHz
4
µV_rms
5
µV_rms
d
Distorsion
A_v = 0 ; V_in = 1V_rms
0.01 0.1
%
S_C Channel Separation
70
90
dB
V_OCL Clipping Level
d = 0.3%
2
2.5
Vrms
R_OUT Output Resistance
20
40
70
Ω
V_OUT DC Voltage Level
3.8
V
MONITOR OUTPUTS
d
Distorsion
A_v = 0 ; V_in = 1V_rms
0.01 0.1
%
S_C Channel Separation
70
90
dB
V_OCL Clipping Level
d = 0.3%
2
2.5
Vrms
R_OUT Output Resistance
20
50
70
Ω
V_OUT DC Voltage Level
4.5
V
BUS INPUTS
V_IL Input Low Voltage
1
V
V_IH Input High Voltage
3
V
I_IN Input Current
-5
+5
mA
V_O Output Voltage SDA
Acknowledge
I_O = 1.6mA
0.4
V
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