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TDA4474 Datasheet, PDF (7/17 Pages) TEMIC Semiconductors – Multistandard Video-IF and Quasi Parallel Sound Processing | |||
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TELEFUNKEN Semiconductors
TDA4474
Electrical Characteristics
Vs = +5V, Tamb = +25°C; reference point pin 4 (9, 16), unless otherwise specified
à ÃParameters
Video output
ÃÃ Test Conditions / Pins Symbol
Pin14
Min.
Typ.
Output current â source
â sink
à Output resistance
ÃÃÃÃ Video output signal
à Ãà Difference of the video sig-
nals
ÃÃÃÃ Sync level
Zero carrier level for neg.
modolation
ÃÃÃÃ see note 1
peak to peak value
between B/G and L
V8 = 3 V
Iout
2
Rout
Ãvo,vid
vo vid
18
20
ÃVsync
1.2
VDC
3.4
(Ultra white level)
Zero carrier level for pos. V8 = 3 V
ÃÃÃÃ modulation
(Ultra black level)
Supply voltage influence
on the ultra blackâ and ul-
tra white level
ÃÃÃÃÃÃÃÃÃÃ ÃÃ ÃÃÃ Video bandwidth ( 3dB)
RL 1 k CL 50 pF
ÃÃÃÃÃ 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
ÃÃÃ ÃÃÃ ÃÃ ÃÃ Intermodulation 1.07MHz see note 4
Video signal to noise ratio weighted, CCIRâ567
ÃIM
S/N
52
56
Ã60
60
Residual vision carrier
fundamental wave 38.9
vres1
2
MHz and
ÃÃÃÃÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃ second harmonic 77.8 MHz
Lower limiting level
below sync level
Upper limiting level
above ultra white level
ÃÃÃVlim1
Vlim2
ÃÃ400
600
Ripple rejection
Pin 25, 14
RR
35
see note 1
Max. Unit
5
3
ÃmA
mA
100
22
V
10
%
V
V
V
%/V
ÃMHz
2.0
dB
5
%
5
deg
ÃdB
dB
10
mV
ÃmV
mV
dB
Rev. A1: 17.08.1995
Preliminary Information
7 (17)
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