TDA9885_TDA9886_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 16 December 2008 23 of 56
NXP Semiconductors
TDA9885; TDA9886
I
2
C-bus controlled multistandard alignment-free IF-PLL demodulators
t
acq
acquisition time BL = 70 kHz
[5]
--30ms
V
i(lock)(rms)
input voltage sensitivity for PLL to
be locked (RMS value)
measured on pins VIF1
and VIF2; maximum
IF gain
-3070µV
T
cy(dah)
digital acquisition help cycle time - 64 - µs
K
O(VIF)
VIF VCO steepness definition: ∆f
VIF
/ ∆V
VPLL
- 20 - MHz/V
K
D(VIF)
VIF phase detector steepness definition: ∆I
VPLL
/ ∆ϕ
VIF
-23-µA/rad
Video output 2 V; pin CVBS
Normal mode (sound carrier trap active) and sound carrier on
V
o(v)(p-p)
video output voltage
(peak-to-peak value)
see Figure 7 1.7 2.0 2.3 V
∆V
o
video output voltage difference difference between
L and B/G standard
−12 - +12 %
V/S ratio between video
(black-to-white) and sync level
1.90 2.33 3.00
V
sync
sync voltage level 1.0 1.2 1.4 V
V
clip(u)
upper video clipping voltage level V
P
− 1.1 V
P
− 1- V
V
clip(l)
lower video clipping voltage level - 0.7 0.9 V
R
o
output resistance
[3]
--30Ω
I
bias(int)
internal bias current (DC) for emitter-follower 1.5 2.0 - mA
I
sink(o)(max)
maximum output sink current AC and DC 1 - - mA
I
source(o)(max)
maximum output source current AC and DC 3.9 - - mA
∆V
o(CVBS)
deviation of CVBS output voltage 50 dB gain control - - 0.5 dB
30 dB gain control - - 0.1 dB
∆V
o(bl)
black level tilt negative modulation - - 1 %
∆V
o(bl)(v)
vertical black level tilt for worst
case in L standard
vision carrier modulated by
test line (VITS) only
--3%
G
dif
differential gain
“ITU-T J.63 line 330”
[6]
B/G standard - - 5 %
L standard - - 7 %
ϕ
dif
differential phase
“ITU-T J.63 line 330”
- 2 4 deg
S/N
W
weighted signal-to-noise ratio unified weighting filter
(
“ITU-T J.61”
);
see
Figure 13
[7]
56 59 - dB
S/N
UW
unweighted signal-to-noise ratio
[7]
47 51 - dB
α
IM(blue)
intermodulation attenuation at
‘blue’
see Figure 14
[8]
f = 1.1 MHz 58 64 - dB
f = 3.3 MHz 58 64 - dB
Table 20. Characteristics
…continued
V
P
=5V; T
amb
=25
°
C; see Table 22 for input frequencies; B/G standard is used for the specification (f
PC
= 38.9 MHz;
f
SC
= 33.4 MHz; PC / SC = 13 dB; f
mod
= 400 Hz); input level V
i(VIF)
= 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 DSB; 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”; measurements taken in
test circuit of
Figure 26; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
