tda9898 NXP Semiconductors, tda9898 Datasheet - Page 57

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 53.
V
f
for L); IF input from 50
B/G is 10 % and for L is 3 %; video signal in accordance with “ITU-T J.63 line 17 and line 330” or “NTC-7 Composite”;
internal Nyquist slope switched on (W7[0] = 0); not dual mode; measurements taken in test circuit of
unless otherwise specified.
TDA9897_TDA9898_3
Product data sheet
Symbol
Single reference QSS AF performance with external FM demodulator connected to OUT1A and OUT1B
(S/N)
(S/N)
SC
P
= 5 V; T
= 32.875 MHz; PC / SC = 13 dB; f
w(SC1)
w(SC2)
amb
Characteristics
= 25 C; see
Parameter
first sound carrier weighted
signal-to-noise ratio
second sound carrier
weighted signal-to-noise ratio
via broadband transformer 1 : 1; video modulation: Vestigial SideBand (VSB); residual carrier for
Table 25
…continued
for input frequencies; B/G standard is used for the specification (f
AF
= 400 Hz); input level V
Rev. 03 — 11 January 2008
Conditions
PC / SC1 > 40 dB at
pins IF1A and IF1B or
IF2A and IF2B;
27 kHz FM deviation;
BP off; “ITU-R BS.468-4”
with external reference
FM demodulator;
PC / SC2 > 40 dB at
pins IF1A and IF1B or
IF2A and IF2B; 27 kHz
(54 % FM deviation);
BP off; “ITU-R BS.468-4”
black picture
white picture
6 kHz sine wave
(black-to-white
modulation)
250 kHz square wave
(black-to-white
modulation)
sound carrier
subharmonics;
f = 2.75 MHz
sound carrier
subharmonics;
f = 2.87 MHz
black picture
white picture
6 kHz sine wave
(black-to-white
modulation)
250 kHz square wave
(black-to-white
modulation)
sound carrier
subharmonics;
f = 2.75 MHz
sound carrier
subharmonics;
f = 2.87 MHz
i(IF)
= 10 mV (RMS) (sync level for B/G; peak white level
3 kHz
3 kHz
3 kHz
3 kHz
TDA9897; TDA9898
Multistandard hybrid IF processing
Min
53
50
44
40
45
46
48
46
42
29
44
45
Typ
58
53
48
45
51
52
55
51
46
34
50
51
Figure 50
PC
© NXP B.V. 2008. All rights reserved.
[24]
= 38.375 MHz;
Max
-
-
-
-
-
-
-
-
-
-
-
-
and
Figure
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
57 of 103
51;