TDA7342_06 Datasheet, PDF (9/20 Pages) STMicroelectronics – Digitally controlled audio processor

TDA7342
Electrical specifications
Table 4.
Symbol
Electrical characteristics (continued)
(V_S = 9V; R_L = 10KΩ; R_g = 50Ω; T_amb = 25°C; all gains = 0dB; f = 1KHz. Refer
to the test circuit, unless otherwise specified.)
Parameter
Test condition
Min. Typ. Max. Unit
Audio output
V_clip Clipping Level
R_L Output Load Resistance
R_O Output Impedance
V_DC DC Voltage Level
General
d = 0.3%
2.1 2.6
Vrms
2
KΩ
30 100 Ω
3.5 3.8 4.1 V
V_CC Supply Voltage
I_CC Supply Current
PSRR
Power Supply Rejection
Ratio
e_NO Output Noise
E_t Total Tracking Error
S/N Signal to Noise Ratio
S_C Channel Separation
d Distortion
Bus inputs
6
5
f = 1KHz
60
B = 20 to 20kHz "A"
weighted
Output muted (B = 20 to
20kHz flat)
All gains 0dB (B = 20 to
20kHz flat)
A_V= 0 to -20dB
A_V= -20 to -60dB
All Gains = 0dB; V_O= 1Vrms
80
V_IN =1V
9 10.2 V
10 15 mA
80
dB
65
dB
2.5
μV
5 15 μV
0
1 dB
0
2 dB
106
dB
100
dB
0.01 0.08 %
V_IL Input Low Voltage
V_lN Input High Voltage
I_lN Input Current
Output Voltage SDA
V_{O Acknowledge}
V_IN = 0.4V
I_O= 1.6mA
1
V
3
V
-5
5 μA
0.4 0.8 V
1. WIN represents the MUTE programming bit pair D6, D5 for the zero crossing window threshold
2. Internal pull-up resistor to Vs/2; LOW = softmute active
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