TDA7411 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7411 Datasheet PDF : 43 Pages
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TDA7411
MULTIPATH DETECTOR
Features:
– internal 19kHz band-pass filter
– programmable band-pass and rectifier gain
– two pin solution fully independent usable for external programming
– selectable internal influence on Stereoblend
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
fCMP Center frequency of Multipath-
Bandpass
stereo decoder locked on Pilot
tone
19
kHz
GBPMP Band pass Gain
bits D2, D1 configuration byte = 00
6
dB
bits D2, D1 configuration byte = 01
12
dB
bits D2, D1 configuration byte = 10
16
dB
bits D2, D1 configuration byte = 11
18
dB
GRECTMP Rectifier Gain
bits D7, D6 configuration byte = 00
7.6
dB
bits D7, D6 configuration byte = 01
4.6
dB
bits D7, D6 configuration byte = 10
0
dB
bits D7, D6 configuration byte = 11
off
ICHMP Rectifier Charge Current
bit D5, configuration byte = 0
bit D5, configuration byte = 1
0.2
µA
0.4
IDISMP Rectifier Discharge Current
0.5
1
1.5
mA
QUALITY DETECTOR
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Conditions
A
Multipath Influence
Addr12 / Bit 5+6
00
Factor
01
10
11
A
Noise Influence Factor Addr16 / Bit 1+2
00
01
10
11
Min.
Typ.
0.2
0.3
0.4
0.5
15
12
9
6
Max.
Unit
dB
dB
dB
dB
dB
dB
dB
dB
22/43
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