tda9898hn/v2 NXP Semiconductors, tda9898hn/v2 Datasheet - Page 45
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tda9898hn/v2
Manufacturer Part Number
tda9898hn/v2
Description
Tda9897; Tda9898 Multistandard Hybrid If Processing
Manufacturer
NXP Semiconductors
Datasheet
1.TDA9898HNV2.pdf
(103 pages)
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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
Tuner AGC; pin TAGC
Integral TAGC loop mode (W6[7:6] = 10); TAGC is current output; applicable for negative modulation only; unmodulated VIF;
see
V
I
I
R
V
V
t
SC
source
sink
d
P
acc(set)TOP
th(fast)AGC
i(IF)(RMS)
sat(u)
sat(l)
L
= 5 V; T
acc(set)TOP
= 32.875 MHz; PC / SC = 13 dB; f
Table 46
amb
Characteristics
/ T
and
= 25 C; see
Figure 13
Parameter
RMS IF input voltage
TOP setting accuracy
source current
sink current
TOP setting accuracy
variation with temperature
load resistance
upper saturation voltage
lower saturation voltage
AGC fast mode threshold
delay time
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
at starting point of tuner
AGC takeover;
I
TAGC charge current
TAGC discharge current;
V
W9[4:0] = 1 0000
pin operating as current
output
pin operating as current
output
activated by internal fast
AGC detector; I
setting corresponds to
W9[4:0] = 1 0000
before activating; V
below
sink(TAGC)
TAGC
W9[4:0] = 0 0000
W9[4:0] = 1 0000
W9[4:0] = 1 1111
normal mode;
W9[5] = 0
2nd normal mode;
W9[5] = 1
fast mode activated by
internal level detector;
W9[5] = 0
2nd fast mode activated
by internal level
detector; W9[5] = 1
= 1 V
th(fast)AGC
= 100 A
i(IF)
2
C-bus
= 10 mV (RMS) (sync level for B/G; peak white level
i(IF)
TDA9897; TDA9898
[3]
[3]
Multistandard hybrid IF processing
Min
-
-
-
0.2
1.9
7
60
400
-
50
V
-
6
40
2
P
0.3 -
Typ
57.9
78.7
98.2
-
0.3
2.3
11
90
500
-
-
-
8
60
Figure 50
PC
© NXP B.V. 2008. All rights reserved.
= 38.375 MHz;
Max
-
-
-
+2
0.4
2.7
15
120
600
0.02
-
-
0.3
10
80
and
Figure
Unit
dB V
dB V
dB V
dB
dB/K
M
V
V
dB
ms
45 of 103
A
A
A
A
A
51;