TDA7541 Datasheet, PDF (9/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541
Pin connection and pin description
Table 2. Pin description (continued)
Pin No.
Pin name
40
AMREFDEMC
41
MPXIN
42
MUTETC
43
MPXOUT
44
AMIF2REF
45
FMREFDEMC
46
GNDDEM
47
AMIF2IN
48
VREF1
49
GNDVCC2
50
MIX2AMPOUT
51
VCC2
52
MIX2REF
53
MIX2OUT
54
AMRFAGCTC
55
MIX2INREF
56
MIX2IN
57
AMAGC2TC
58
IF1REF
59
IF1AMPOUT
60
VCCIF1
61
IF1AMPIN
62
GNDIF1
63
MIX1REF
64
MIX1OUT
Function
AM Demodulator Reference
Stereo Decoder Input
Weak Signal Mute Time Constant
AM Audio / MPX Output
AM IF2 Amplifier Reference Voltage
FM Demodulator Reference
FM Demodulator Ground
AM IF2 Amplifier Input
5V Reference
Analog Ground
MIXER2 Amplifier Output
Analog Supply
Mixer2 Reference
Mixer2 Output
AM RF AGC Time Constant
Mixer2 Input Reference
Mixer2 Input
AM AGC2 Time Constant
IF1 Amplifier Reference
IF1 Amplifier Output
IF1 Supply
IF1 Amplifier Input
IF1 Ground
Mixer1 Reference
Mixer1 Output
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