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U4479B Datasheet, PDF (3/11 Pages) TEMIC Semiconductors – DVB-Cable IF Converter and Full Multi-Standard Video-/Sound IF Processing | |||
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U4479B
Pin Description
Vi,SIF 1
28 AGCRef
Vi,SIF 2
CRef 3
CAGC,SIF 4
Vi,IF1 5
Vi,IF1 6
CAGC,IF 7
GND 8
27 Vo,FM
26 Vo,AM
25 VAFC
24 VS
23 Vvco
22 Vvco
21 GND
Vi,IF2 9
20 VLO
Vi,IF2 10
19 LF
Rtop 11
18 Vtun
Itun 12
17 Vfreq
Vout 13
16 Vmod
Cbl 14
15 Vsw
14530
Figure 2. Pinning
Pin
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 1, 2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 3
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 4
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 5, 6
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 7
8
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 9, 10
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 11
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 12
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 13
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 14
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 15
16
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 17
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 18
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 19
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 20
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 21
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 22, 23
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 24
25
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 26
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 27
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 28
Symbol
Vi,SIF
CRef
CAGC,SIF
Vi,IF1
CAGC,IF
GND
Vi,IF2
Rtop
Itun
Vout
Cbl
Vsw
Vmod
Vfreq
Vtun
LF
VLO
GND
Vvco
Vs
VAFC
Vo,AM
Vo,FM
AGCRef
Function
SIF input (symmetrical)
Internal reference voltage (BG)
SIF-AGC (time constant)
IF1 input (symmetrical)
IF-AGC (time constant)
Ground
IF2 input (symmetrical)
Take over point, tuner AGC
Tuner AGC output current
CVBS or 2nd IF output
Capacitor â black level detector
IF input selector switch
Modulation switch
VCO frequency switch
External VCO tuning voltage
Loop filter
Local oscillator output voltage
Ground
VCO circuit (symmetrical)
Supply voltage
AFC output
AF output â AM sound
Intercarrier output
AGC reference for DVB
operation
Absolute Maximum Ratings
Parameters
Symbol
Value
Unit
Supply voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Power dissipation, VS = 5.5 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output currents
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Junction temperature
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Storage temperature
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Electrostatic handling *)
VS
5.5
V
IS
100
mA
Ptot
550
mW
Iout
5
mA
Tj
125
°C
Tstg
â25 to +125
°C
VESD
tbd
V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ W *) Equivalent to discharging a 200-pF capacitor through a 0- resistor
TELEFUNKEN Semiconductors
3 (11)
Rev. A2, 14-Jan-98
Preliminary Information
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