TDA9899_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 15 January 2008 43 of 103
NXP Semiconductors
TDA9899
Multistandard hybrid IF processing including car mobile
I
sink(o)
output sink current W7[3] = 0 - - 3 mA
W7[3] = 1 - - 10 µA
V
OH
HIGH-level output voltage - - V
P
+ 0.5 V
VIF AGC; pin CIFAGC
I
ch(max)
maximum charge current L standard 75 100 125 µA
I
ch(add)
additional charge current L standard: in the event of
missing VITS pulses and
no white video content
- 100 - nA
I
dch
discharge current L standard; normal mode - 35 - nA
L standard; fast mode - 1.8 - µA
VIF AGC control; pin AGCVIN
I
sink(i)(max)
maximum input sink current
[3]
--1µA
I
source(i)(max)
maximum input source
current
[3]
--1µA
V
i(max)
maximum input voltage
[3]
--V
P
V
V
AGCVIN
voltage on pin AGCVIN
[3]
1 - 3.5 V
∆G
VIF
/∆V
AGCVIN
change of VIF gain with
voltage on pin AGCVIN
V
AGCVIN
= 2.8 V - −75 - dB/V
Tuner AGC; pin TAGC
Integral TAGC loop mode (W6[7:6] = 10); TAGC is current output; applicable for negative modulation only; unmodulated VIF;
see
Table 48 and Figure 12
V
i(IF)(RMS)
RMS IF input voltage at starting point of tuner
AGC takeover;
I
sink(TAGC)
= 100 µA
W9[4:0] = 0 0000 - 57.9 - dBµV
W9[4:0] = 1 0000 - 78.7 - dBµV
W9[4:0] = 1 1111 - 98.2 - dBµV
α
acc(set)TOP
TOP setting accuracy −2 - +2 dB
I
source
source current TAGC charge current
normal mode 0.20 0.27 0.34 µA
fast mode activated by
internal level detector
71013µA
I
sink
sink current TAGC discharge current;
V
TAGC
=1V
400 500 600 µA
∆α
acc(set)TOP
/∆T TOP setting accuracy
variation with temperature
W9[4:0] = 1 0000 - - 0.02 dB/K
R
L
load resistance
[3]
50--MΩ
V
sat(u)
upper saturation voltage pin operating as current
output
V
P
− 0.3 - - V
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