tda9884 NXP Semiconductors, tda9884 Datasheet - Page 26

• Manufacturer Part Number: tda9884
• Description: Tda9884 I2c-bus Controlled Multistandard Alignment-free If-pll For Mobile Reception
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 25.
V
f
IF input from 50
video signal in accordance with “ITU-T J.63 line 17 and line 330” or “NTC-7 Composite”; measurements taken in test circuit of
Figure
TDA9884_2
Product data sheet
Symbol
VIF-AGC
t
t
V
CR
V
Pin VAGC
I
I
I
AGC input switch (pin AGCSW)
V
V
R
SC
resp(inc)
resp(dec)
ch(max)
ch(add)
dch
P
V
VAGC
th(VIF)
ext(AGCOFF)
ext(AGCON)
i
= 5 V; T
i(VIF)
= 33.4 MHz; PC/SC = 13 dB; f
stps
23; unless otherwise specified.
[15]
amb
Characteristics
= 25 C; see
via broadband transformer 1 : 1; video modulation DSB; residual carrier for B/G is 10 % and for L is 3 %;
Parameter
AGC response time
to an increasing VIF
step
AGC response time
to a decreasing VIF
step
VIF amplitude step
for activating AGC
fast mode
gain control voltage
range
control steepness
threshold voltage for
high level VIF input
maximum charge
current
additional charge
current
discharge current
voltage level for
external AGC = OFF
voltage level for
external AGC = ON
input resistance
Table 27
…continued
mod
[19]
; see
for input frequencies; B/G standard is used for the specification (f
= 400 Hz); input level V
Table 18
Conditions
negative modulation;
normal mode
negative modulation;
mobile mode
positive modulation;
VIF step: 20 dB
negative modulation
positive modulation
L standard
see
definition: G
V
see
L standard
L standard: in the event of
missing VITS pulses and
no white video content
L standard; normal mode
L standard; fast mode
bit E5 = 1; bit E7 = 1
bit E5 = 1; bit E7 = 1
bit E5 = 1; bit E7 = 1
VAGC
normal mode
fast normal mode
mobile mode
fast mobile mode
normal mode;
VIF step: 20 dB
normal mode
fast mode
Figure 10
Table 8
= 2 V to 3 V
Rev. 02 — 12 May 2006
and
VIF
I
2
/ V
C-bus controlled multistandard alignment-free IF-PLL
i(VIF)
Table 9
VAGC
= 10 mV (RMS) (sync level for B/G; peak white level for L);
;
[16][17]
[16][17]
[16][18]
[16]
[16]
[16]
[16]
[16]
[16]
[16]
Min
-
-
-
-
-
-
-
-
-
-
0.8
-
120
-
-
-
-
-
2.5
8
2
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Typ
4.3
1.5
2.6
1.9
0.08
0.25
0.01
890
143
2.6
-
200
100
100
35
1.8
-
-
-
6
80
PC
TDA9884
Max
-
-
-
-
-
-
-
-
-
-
3.5
-
320
-
-
-
-
0.3
-
-
10
= 38.9 MHz;
Unit
ms
ms/dB
ms/dB
ms/dB
ms/dB
ms
ms/dB
ms/dB
dB
V
dB/V
nA
nA
V
V
k
s/dB
s/dB
V
A
A
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