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TDA4474 Datasheet, PDF (7/17 Pages) TEMIC Semiconductors – Multistandard Video-IF and Quasi Parallel Sound Processing
TELEFUNKEN Semiconductors
TDA4474
Electrical Characteristics
Vs = +5V, Tamb = +25°C; reference point pin 4 (9, 16), unless otherwise specified
Á ÁParameters
Video output
ÁÁ Test Conditions / Pins Symbol
Pin14
Min.
Typ.
Output current – source
– sink
Á Output resistance
ÁÁÁÁ Video output signal
Á ÁÁ Difference of the video sig-
nals
ÁÁÁÁ Sync level
Zero carrier level for neg.
modolation
ÁÁÁÁ see note 1
peak to peak value
between B/G and L
V8 = 3 V
Iout
2
Rout
Ávo,vid
vo vid
18
20
ÁVsync
1.2
VDC
3.4
(Ultra white level)
Zero carrier level for pos. V8 = 3 V
ÁÁÁÁ modulation
(Ultra black level)
Supply voltage influence
on the ultra black– and ul-
tra white level
ÁÁÁÁÁÁÁÁÁÁ ÁÁ ÁÁÁ Video bandwidth ( 3dB)
RL 1 k CL 50 pF
ÁÁÁÁÁ Video frequency response
over the AGC range
Differential gain error
Differential phase error
VDC
1.15
V/V
1
B
6
8
B
DG
2
DP
2
ÁÁÁ ÁÁÁ ÁÁ ÁÁ Intermodulation 1.07MHz see note 4
Video signal to noise ratio weighted, CCIR–567
ÁIM
S/N
52
56
Á60
60
Residual vision carrier
fundamental wave 38.9
vres1
2
MHz and
ÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ second harmonic 77.8 MHz
Lower limiting level
below sync level
Upper limiting level
above ultra white level
ÁÁÁVlim1
Vlim2
ÁÁ400
600
Ripple rejection
Pin 25, 14
RR
35
see note 1
Max. Unit
5
3
ÁmA
mA
100
22
V
10
%
V
V
V
%/V
ÁMHz
2.0
dB
5
%
5
deg
ÁdB
dB
10
mV
ÁmV
mV
dB
Rev. A1: 17.08.1995
Preliminary Information
7 (17)