tda9898 NXP Semiconductors, tda9898 Datasheet - Page 54

• 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
THD
f
f
(S/N)
(S/N)
V
SC
AF(max)
P
V
f
SC(rsd)(RMS)
3dB(AF)
AF(max)
= 5 V; T
o(AF)
= 32.875 MHz; PC / SC = 13 dB; f
w(AF)
unw(AF)
/ T
amb
Characteristics
= 25 C; see
Parameter
AF output voltage variation
with temperature
total harmonic distortion
maximum AF frequency
deviation
maximum AF frequency
AF cut-off frequency
AF weighted signal-to-noise
ratio
AF unweighted
signal-to-noise ratio
RMS residual sound carrier
voltage
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
50 s de-emphasis;
FM deviation: for
TV mode 27 kHz and for
radio mode 22.5 kHz
THD < 2 %; pre-emphasis
off; f
THD < 2 %;
pre-emphasis off
W3[2] = 0; W3[4] = 0;
without de-emphasis;
FM window
width = 237.5 kHz
27 kHz FM deviation;
50 s de-emphasis; vision
carrier unmodulated;
FM PLL only;
“ITU-R BS.468-4”
radio mode (10.7 MHz);
22.5 kHz FM deviation;
75 s de-emphasis
fundamental wave and
harmonics; without
de-emphasis
W3[1:0] = 00 (audio
gain = 0 dB)
W3[1:0] = 01 (audio
gain = 6 dB)
W3[1:0] = 10 (audio
gain = 12 dB)
W3[1:0] = 11 (audio
gain = 18 dB) and
W3[4] = 1 (FM window
width = 475 kHz)
FM window
width = 237.5 kHz;
FM deviation 100 kHz
FM window
width = 475 kHz;
FM deviation 300 kHz
6 dB audio gain;
18 dB audio gain;
AF
= 400 Hz
i(IF)
= 10 mV (RMS) (sync level for B/G; peak white level
TDA9897; TDA9898
[18]
[3]
Multistandard hybrid IF processing
Min
-
-
15
15
80
48
-
-
55
110
170
380
Typ
3
0.15
-
-
-
-
-
-
100
56
58
-
Figure 50
10
PC
3
© NXP B.V. 2008. All rights reserved.
= 38.375 MHz;
Max
7
0.50
-
-
-
-
-
-
-
-
-
2
and
10
3
Figure
Unit
dB/K
%
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
mV
54 of 103
51;