TDA7439DS_07 Datasheet, PDF (4/23 Pages) STMicroelectronics – Three-band digitally-controlled audio processor

Electrical specifications
2
Electrical specifications
TDA7439DS
Table 2.
Symbol
Absolute maximum ratings
Parameter
Value
Unit
V_S
T_amb
T_stg
Operating supply voltage
Operating ambient temperature
Storage temperature range
10.5
V
0 to 70
°C
-55 to 150
°C
Table 3.
Symbol
Thermal data
Parameter
Value
Unit
R_{th j-pin} Thermal resistance junction-pins
85
°C/W
Table 4.
Symbol
Quick reference data
Parameter
Min. Typ Max Unit
V_S Supply voltage
V_CL Max. input signal handling
THD
S/N
S_C
Total harmonic distortion V = 1 V RMS, f = 1 kHz
Signal to noise ratio V_out = 1 V RMS (mode = OFF)
Channel separation f = 1 kHz
Input gain (in 2 dB steps)
Volume control (in 1 dB steps)
Treble control (in 2 dB steps)
Middle control (in 2 dB steps)
Bass control (in 2 dB steps)
Balance control (in 1 dB steps)
Mute attenuation
7
9 10.2 V
2
V
RMS
0.01 0.1 %
106
dB
90
dB
0
30 dB
-47
0 dB
-14
+14 dB
-14
+14 dB
-14
+14 dB
-79
0 dB
100
dB
Table 5. shows the electrical characteristics. Refer to the test circuit in Figure 3, T_amb =
25° C, V_S = 9 V, R_L= 10 kΩ, generator resistance R_g = 600 Ω, all controls flat (G = 0 dB),
unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Supply
V_S
I_S
SVR
Supply voltage
Supply current
Ripple rejection
Test condition
Min. Typ Max Unit
7
9 10.2 V
4
7 10 mA
60 90
dB
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