English
Language : 

TDA7342_06 Datasheet, PDF (6/20 Pages) STMicroelectronics – Digitally controlled audio processor
Electrical specifications
2
Electrical specifications
TDA7342
2.1
Absolute maximum ratings
Table 1. Absolute maximum ratings
Symbol
Parameter
VS
Tamb
Tstg
Operating supply voltage
Operating ambient temperature
Storage temperature range
Table 2.
Symbol
Thermal data
Parameter
Rth j-amb Thermal resistance junction-pins
Table 3.
Symbol
Quick reference data
Parameter
VS
VCL
THD
S/N
SC
Supply voltage
Max. input signal handling
Total harmonic distortion V = 1Vrms f = 1KHz
Signal to noise ratio
Channel separation
Volume control 0.3dB step
Treble control 2dB step
Bass control 2dB step
Fader and balance control 1.25dB step
Input gain 3.75dB step
Mute attenuation
Value
Unit
10.5
V
-40 to 85
°C
-55 to 150
°C
Value
150
Unit
°C/W
Min. Typ. Max. Unit
6
9 10.2 V
2.1 2.6
Vrms
0.01 0.08 %
106
dB
100
dB
-59.7
20 dB
-14
+14 dB
-10
+18 dB
-38.75
0
dB
0
11.25 dB
100
dB
Table 4.
Symbol
Electrical characteristics
(VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer
to the test circuit, unless otherwise specified.)
Parameter
Test condition
Min. Typ. Max. Unit
Input selector
RI
VCL
SI
RL
GI MIN
GI MAX
Input resistance
Clipping level
Input separation
Output load resistance
Minimum input gain
Maximum input gain
d ≤ 0.3%
70 100 130 KΩ
2.1 2.6
80 100
VRMS
dB
2
KΩ
-0.75 0 0.75 dB
10.25 11.25 12.25 dB
6/20