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PDF TDA4472-MFLG3 Data sheet ( Hoja de datos )

Número de pieza TDA4472-MFLG3
Descripción Video-IF and Quasi Parallel Sound Processing
Fabricantes TEMIC Semiconductors 
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TDA4472-M
Video-IF and Quasi Parallel Sound Processing
Description
The TDA4472 is an integrated bipolar circuit for video/
sound IF (VIF/SIF) signal processing in TV/VCR and
multimedia applications. The circuit processes all TV
video IF signals with negative modulation (e.g., B/G
standard), and the FM/NICAM sound IF signals.
Features
D 5 V supply voltage; low power consumption
D Active carrier generation by FPLL principle
(frequency-phase-locked-loop) for true
synchronous demodulation
D Very linear video demodulation, good pulse response
and excellent intermodulation figures
D VCO circuit operates at picture carrier frequency
D Alignment-free AFC without external reference
circuit, polarity of the AFC curve is switchable
D VIF-AGC with peak sync. detection
D Tuner AGC with adjustable take over point
D Alignment-free quasi parallel sound (QPS) mixer for
FM/NICAM sound IF signals
D Intercarrier output signal is gain controlled (necessary
for digital sound processing)
D Separate SIF-AGC with average detection
D Two independent SIF inputs
D Package and relevant pinning is compatible with the
multistandard version TDA4470, which simplifies the
design of an universal IF module
Package: SDIP28, SO28
Ordering Information
Extended Type Number
TDA4472-MSD
TDA4472-MFLG3
Package
SDIP28
SO28
Remarks
Delivery in taped form
TELEFUNKEN Semiconductors
Rev. A2, 15-Oct-96
Preliminary Information
1 (14)

1 page




TDA4472-MFLG3 pdf
Absolute Maximum Ratings
Reference point Pin 4 (9, 16), unless otherwise specified
Parameters
Symbol
Supply voltage
SDIP28 package
SO28 package
Pin 23
Supply current
Pin 23
Power dissipation
SDIP28 package
SO28 package
Output currents
Pins 12 and 24
External voltages
Pins 1, 2, 5 to 8, 10, 12, 17, 18 and 24, 26 to 28
Pins 20 and 21
Pin 11
Pins 3, 19 and 22
Junction temperature
Storage temperature
Electrostatic handling *) all pins
VS
VS
Is
P
P
Iout
Vext
Tj
Tstg
VESD
W*) Equivalent to discharging a 200 pF capacitor trough a 0 resistor.
Operating Range
Parameters
Supply voltage range
SDIP28 package
SO28 package
Pin 23
Ambient temperature
Symbol
VS
VS
Tamb
Thermal Resistance
Parameters
Junction ambient, when soldered to PCB
SDIP28 package
SO28 package
Symbol
RthJA
RthJA
TDA4472-M
Value
9.0
6.0
93
840
560
5
+4.5
+3.5
+13.5
VS
+125
–25 to +125
"300
Unit
V
V
mA
mW
mW
mA
V
V
V
V
°C
°C
V
Value
4.5 to 9.0
4.5 to 6.0
–10 to +85
Unit
V
V
°C
Maximum
55
75
Unit
K/W
K/W
TELEFUNKEN Semiconductors
Rev. A2, 15-Oct-96
Preliminary Information
5 (14)

5 Page





TDA4472-MFLG3 arduino
TDA4472-M
94 8527
Figure 11. Tuner AGC – output (Pin 11)
2.6 mA
94 8528
Figure 12. Video output (Pin 12)
3.5 V
94 8531
Figure 13. Internal reference voltage (Pin 17)
2.75 V
Figure 14. Loop filter (Pin 18)
94 8532
3.5 V
19
10.5 k W
30 k W
94 8533
Figure 15. AFC switch (Pin 19)
7 kW 7 kW
94 8534
Figure 16. VCO (Pin 20-21)
TELEFUNKEN Semiconductors
Rev. A2, 15-Oct-96
Preliminary Information
11 (14)

11 Page







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