TDA7540B Datasheet, PDF (7/75 Pages) STMicroelectronics – AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)

TDA7540B
Pins description and connection diagrams
Table 1.
Pin No.
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Pin description (continued)
Pin Name
Function
MPXIN
Stereodecoder Input
VCCSTEREO Stereodecoder Supply
AFS
Alternative Frequency Search Drive
MPX/AFAM MPX Output / AM AF Output
AMIF2BPF
AMIF2REF
AM IF2 Bandpass Filter
Reference Voltage AM IF2 Amplifier
FMREFDEMC FM Demodulator Reference
GNDDEM
Ground FM Demodulator
MPXW
MPX Output without ISS Filtering
AMIF2IN
Input AM IF2
VREF1
Reference 5V
GNDVCC2 Analog Ground
AMMIX2OUT2 AM Tank 450kHz
AMMIX2OUT1 AM Tank 450kHz
VCC2
FMMIX2IN
Analog Supply
FM IF1 Mixer2 Input
FMMIX2REF FM IF1 Mixer2 Reference
AMRFAGCTC AM RF AGC Time Constant
IF1AMP2OUT IF1 Amplifier2 Output
AMDETC
AM Detector Capacitor
AMREFDEMC AM Demodulator Reference
IF1AMP2IN IF1 Amplifier2 Input
VCCIF1
IF1 Supply
IF1AMP1OUT
IF1REF
IF1 Amplifier1 Output
IF1 Amplifier Reference
IF1AMP1IN IF1 Amplifier1 Input
GNDIF1
IF1 Ground
IF1AGCIN
IF1 AGC Input
AMAGC2TC AM AGC2 Time Constant
TEST2
Testing I/O Pin
MIX1OUT2 Mixer Tank 10.7MHz
2.3
Thermal data
Table 2. Thermal data
Symbol
Parameter
R_th(j-amb) Thermal Resistance Junction to ambient
Max.
Value
55
Unit
°C/W
7/75