tda9898 NXP Semiconductors, tda9898 Datasheet - Page 56

• 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
R
V
AF decoupling
Pin CAF1
V
I
I
Pin CAF2
V
FM operation
Single reference QSS AF performance; pin AUD
(S/N)
SC
L
o(max)
P
AF(RMS)
dec
O
O
= 5 V; T
= 32.875 MHz; PC / SC = 13 dB; f
w(SC1)
amb
Characteristics
[21][22]
= 25 C; see
Parameter
output resistance
RMS AF voltage
decoupling voltage (DC)
leakage current
maximum output current
output voltage
first 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
[23]
Rev. 03 — 11 January 2008
Conditions
W3[3:2] = 11 (50 s
de-emphasis)
W3[3:2] = 01 (75 s
de-emphasis)
f
V
0 dB attenuation
f
f
f
f
f
0 dB attenuation
sink or source
PC / SC1 > 40 dB at
pins IF1A and IF1B or
IF2A and IF2B;
27 kHz FM deviation;
BP off; “ITU-R BS.468-4”
AF
FMPLL
FMPLL
FMPLL
FMPLL
FMPLL
V
o(AF)
black picture
white picture
6 kHz sine wave
(black-to-white
modulation)
250 kHz square wave
(black-to-white
modulation)
AUD
= 400 Hz;
= 500 mV (RMS);
= 4.5 MHz
= 5.5 MHz
= 6.0 MHz
= 6.5 MHz
= 10.7 MHz
< 50 mV (p-p);
i(IF)
= 10 mV (RMS) (sync level for B/G; peak white level
TDA9897; TDA9898
Multistandard hybrid IF processing
Min
8.5
13
-
1.5
1.5
1.5
1.5
1.5
-
1.15
-
45
45
43
45
Typ
-
-
170
1.9
2.2
2.35
2.5
2.4
-
1.5
2.4
50
50
47
50
Figure 50
PC
© NXP B.V. 2008. All rights reserved.
= 38.375 MHz;
Max
14
21
-
3.3
3.3
3.3
3.3
3.3
1.85
-
-
-
-
-
25
and
Figure
Unit
k
k
mV
V
V
V
V
V
nA
V
dB
dB
dB
dB
56 of 103
A
51;