TDA7403 Datasheet, PDF (5/26 Pages) STMicroelectronics – BASIC SIGNAL PROCESSOR

TDA7403
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
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
VPU
Low Threshold for SM Pin ⁽¹⁾
High Threshold for SM Pin
Internal Pull-up Resistor
Pull-up Voltage
SOFT STEP
TSW
Switch Time
BASS CONTROL
CRANGE Control Range
ASTEP
Step Resolution
fC
Center Frequency
QBASS
Quality Factor
DCGAIN Bass-Dc-Gain
Test Condition
G = -20 to 20dB
G = -60 to 20dB
Adjacent Attenuation Steps
From 0dB to GMIN
T1
T2
T3
T4
fC1
fC2
fC3
fC4
Q1
Q2
Q3
Q4
DC = off
DC = on
1) SM pin is active low (mute condition)
2) See description of Audioprocessor Part - Bass & Treble filter characteristics programming
Min. Typ. Max. Unit
20
dB
79
dB
1
dB
-1.25
0
1.25 dB
-4
0
3
dB
2
dB
0.1
3
mV
0.5
5
mV
1
dB
15
dB
200
Hz
400
Hz
70
100
dB
0.48
ms
0.96
ms
40.4
ms
324
ms
1
V
2.5
V
70
100 130
KΩ
4.7
V
10
ms
±14
dB
2
dB
60
Hz
70
Hz
80
Hz
100⁽²⁾
Hz
1
1.25
1.5
2
0
dB
4.4
dB
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