TDA7461N Datasheet, PDF (5/31 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7461N
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
BEEP CONTROL
VRMS
Beep Level
fBMIN
Lower Beep Frequency
fBMAX
Higher Beep Frequency
MIXING CONTROL
MLEVEL Mixing Level
VOLUME CONTROL
GMAX
Max Gain
AMAX
Max Attenuation
ASTEP
Step Resolution
EA
Attenuation Set Error
ET
Tracking Error
VDC
DC Steps
LOUDNESS CONTROL
ASTEP
Step Resolution
AMAX
Max. Attenuation
fCMIN
Lower Center Frequency
fCMAX
Higher Center Frequency
SOFT MUTE
AMUTE Mute Attenuation
TD
Delay Time
VTHlow
VTHhigh
RPU
V_PU
Low Threshold for SM Pin¹
High Threshold for SM Pin
Internal Pull-up Resistor
Pull-up Voltage
SOFT STEP
TSW
Switch Time
1) The SM pin is active low (Mute = 0)
Test Condition
Source
Source
Source
Beep/Phone
G = -20 to 20dB
G = -60 to 20dB
Adjacent Attenuation Steps
From 0dB to GMIN
T1
T2
T3
T4
Min. Typ. Max. Unit
250 350 500 mV
570 600 630
Hz
1.15 1.2 1.25 KHz
-1
0
1
dB
-5
-6
-7
dB
-10
-12
-14
dB
-1
0
1
dB
19
20
21
dB
-83
-79
-75
dB
0.5
1
1.5
dB
-1.25
0
1.25 dB
-4
0
3
dB
2
dB
-3
0.1
3
mV
-7
0.5
+7
mV
0.5
1
1.5
dB
-16
-15
-14
dB
180 200 220
Hz
360 400 440
Hz
60
100
dB
0.48
1
ms
0.96
2
ms
20 40.4 60
ms
200 324
600
ms
1
V
2.5
V
70
100 130
KΩ
4.7
V
5
10
15
ms
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