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TDA7407_07 Datasheet, PDF (11/46 Pages) STMicroelectronics – Advanced car signal processor
TDA7407
Audio processor part
2.1.7
Mute functions
● Direct mute
● Digitally controlled softmute with 4 programmable mute time.
2.2
Electrical characteristics
.
Table 5.
Symbol
Audio processor electrical characteristics
(VS = 9V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise
specified)
Parameter
Test condition
Min. Typ. Max. Unit
Input selector
Rin Input resistance
VCL Clipping level
SIN Input separation
GIN MIN Min. input gain
GIN MAX Max. input gain
GSTEP Step resolution
VDC DC steps
Differential CD stereo input
Rin Input resistance
CMRR
Common mode rejection
ratio
eN
Output noise @ speaker
outputs
Differential phone input
Rin Input resistance
CMRR
Common mode rejection
ratio
Volume control
GMAX
AMAX
ASTEP
Max gain
Max attenuation
Step resolution
EA Attenuation set error
ET Tracking error
all inputs except phone
Adjacent gain step
GMIN to GMAX
70 100 130 KΩ
2.2 2.6
80 100
VRMS
dB
-1
0
1 dB
13 15 17 dB
0.5 1 1.5 dB
-5 0.5 5 mV
-10 5 10 mV
Differential
Common mode
VCM = 1VRMS @ 1KHz
VCM = 1VRMS @ 10KHz
20Hz to 20KHz flat; all stages
0dB
70 100 130 KΩ
70 100 130 KΩ
45 70
dB
45 60
dB
6 15 mV
Differential
VCM = 1VRMS @ 1KHz
VCM = 1VRMS @ 10KHz
G = -20 to 20dB
G = -60 to 20dB
40 56
KΩ
40 70
dB
40 60
dB
13 15 17 dB
70 79
dB
0.5 1 1.5 dB
-1.25 0 1.25 dB
-4
0
3 dB
2 dB
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