TDA4470-M Datasheet, PDF (5/16 Pages) TEMIC Semiconductors – Multistandard Video-IF and Quasi Parallel Sound Processing

Pin Description
V_{i,SIF1 1}
V_{i,SIF1 2}
28 ^Vi,SIF2
27 ^Vi,SIF2
V_{sw 3}
26 ^Rcomp
GND ₄
C_{AGC 5}
V_{i,VIF 6}
V_{i,VIF 7}
C_{AGC 8}
25 ^Vo,AM
24 ^Vo,FM
23 VS
22 ^VAFC
21 ^VVCO
GND ₉
20 ^VVCO
R_top 10
I_{tun 11}
19 ^Vsw
18 ^LF
V_{o,vid 12}
17 ^CRef
V_{sw 13}
16 GND
V_{sw 14}
15 ^CBL
94 8680
Figure 2. Pinning
TDA4470-M
Pin
1, 2
3
4, 9, 16
5
6, 7
8
10
11
12
13
14
15
17
18
19
20, 21
22
23
24
25
26
27, 28
Symbol
V_i, _SIF1
V_sw
GND
C_AGC
V_{i, VIF}
C_AGC
R_top
I_tun
V_o,vid
V_SW
V_SW
C_bl
C_ref
LF
V_sw
V_VCO
V_AFC
V_S
V_O, _FM
V_{O, AM}
R_comp
V_{i, SIF2}
Function
SIF1 input (symmetrical)
Input selector switch
Ground
SIF-AGC (time constant)
VIF input (symmetrical)
VIF-AGC (time constant)
Take over point, tuner AGC
Tuner AGC output current
Video output
Standard switch
L’ switch
Black level capacitor
Internal reference voltage
Loop filter
AFC switch
VCO circuit
AFC output
Supply voltage
Intercarrier output
AF output – AM sound
Offset compensation
SIF 2 input (symmetrical)
TELEFUNKEN Semiconductors
5 (16)
Rev. A2, 15-Oct-96
Preliminary Information