TDA9899_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 15 January 2008 54 of 103
NXP Semiconductors
TDA9899
Multistandard hybrid IF processing including car mobile
f
−3dB(AF)
AF cut-off frequency W3[2] = 0; W3[4] = 0;
without de-emphasis;
FM window
width = 237.5 kHz
80 100 - kHz
(S/N)
w(AF)
AF weighted signal-to-noise
ratio
27 kHz FM deviation;
50 µs de-emphasis; vision
carrier unmodulated;
FM PLL only;
“ITU-R BS.468-4”
48 56 - dB
(S/N)
unw(AF)
AF unweighted
signal-to-noise ratio
radio mode (10.7 MHz);
22.5 kHz FM deviation;
75 µs de-emphasis
-58-dB
V
SC(rsd)(RMS)
RMS residual sound carrier
voltage
fundamental wave and
harmonics; without
de-emphasis
--2mV
α
AM
AM suppression referenced to 27 kHz
FM deviation;
50 µs de-emphasis;
AM: f = 1 kHz; m = 54 %
35 46 - dB
PSRR power supply ripple rejection f
ripple
=70Hz;
see
Figure 9
14 20 - dB
Audio amplifier
Audio output; pin AUD
R
O
output resistance
[3]
- - 300 Ω
V
O
output voltage 2.0 2.4 2.7 V
R
L
load resistance AC-coupled
[3]
10--kΩ
DC-coupled
[3]
100 - - kΩ
C
L
load capacitance
[3]
--1nF
V
o(AF)(RMS)
RMS AF output voltage 25 kHz FM deviation;
75 µs de-emphasis;
see
Table 29
0 dB 400 500 600 mV
−6 dB - 250 - mV
−12 dB - 125 - mV
−18 dB - 62.5 - mV
AM; m = 54 %;
see
Table 29
0 dB 400 500 600 mV
−6 dB - 250 - mV
Table 55. Characteristics
…continued
V
P
=5V; T
amb
=25
°
C; see Table 26 for input frequencies; B/G standard is used for the specification (f
PC
= 38.375 MHz;
f
SC
= 32.875 MHz; PC / SC = 13 dB; f
AF
= 400 Hz); input level V
i(IF)
= 10 mV (RMS) (sync level for B/G; peak white level
for L); IF input from 50
Ω
via broadband transformer 1 : 1; video modulation: Vestigial SideBand (VSB); residual carrier for
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
Figure 49; unless
otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit