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TDA7541B Datasheet(PDF) 15 Page - STMicroelectronics

Part # TDA7541B
Description  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7541B Datasheet(HTML) 15 Page - STMicroelectronics

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TDA7541B
Electrical specifications and characteristics
Doc ID 16048 Rev 1
15/77
13.19
ΔV
27
Slope AM
FMON=0
-
90
-
mV/dB
13.20
fLP
-3 dB frequency low pass
AM
FMON=0
-
40
-
kHz
Adjacent channel gain
13.21
GAC
Gain
-
-
32
-
dB
Adjacent channel filter
13.22
fHP
-3 dB frequency highpass
ACF=0
-
100
-
kHz
13.23
f-20dB
Attenuation 20dB
-
-
70
-
kHz
13.24
fBP
Centre frequency
ACF=1
-
100
-
kHz
Multipath channel gain
13.25
GMP
Gain
-
-
12
-
dB
Multipath bandpass filter
13.26
fC
Centre frequency
-
-
19
-
kHz
13.27
Q
Quality factor
-
5
8
10
-
14. ISS (intelligent selectivity system) filter 450kHz
14.1
fcentre
Centre frequency
fREF_intern = 450kHz
450
kHz
14.2
BW 3dB
Bandwidth, -3 dB
ISSBW = 1
70
80
90
kHz
14.3
BW 20dB Bandwidth, -20 dB
ISSBW = 1
132
150
168
kHz
14.4
BW 3dB
Bandwidth, -3 dB
ISSBW = 0
106
120
135
kHz
14.5
BW 20dB Bandwidth, -20 dB
ISSBW = 0
220
250
280
kHz
14.6
BW 3dB
Bandwidth weather band
WBON = 1
18
22
26
kHz
14.7
BW 20dB -20dB weather band
WBON = 1
-
70
-
kHz
Adjacent channel ISS filter threshold
14.8
VTHAC
Internal low threshold
ACTH
-
2.75
-
V
14.9
VTHAC
Internal high threshold
ACTH
-
3.05
-
V
Multipath threshold
14.10
VTHMP
Internal low threshold
MPTH
-
0.50
-
V
14.11
VTHMP
Internal high threshold
MPTH
-
1.25
-
V
ISS filter time constant
14.12
I30,31
Charge current low mid
TISS, BWDEF = 1
-89
-74
-59
µA
14.13
I30,31
Charge current high mid
TISS, BWDEF = 1
-72
-60
-48
µA
14.14
I30,31
Charge current low narrow TISS, BWDEF = 1
-148
-124
-99
µA
14.15
I30,31
Charge current high
narrow
TISS, BWDEF = 1
-132
-110
-88
µA
14.16
I30,31
Discharge current low
TISS, BWDEF = 0
0.5
1
1.5
µA
Table 6.
FM section (continued)
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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