TDA9885 Philips Semiconductors, TDA9885 Datasheet - Page 5

• Manufacturer Part Number: TDA9885
• Description: I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes
1. Values of video and sound parameters can be decreased at V
2. For applications without I
3. Condition: luminance range (5 steps) from 0 % to 100 %.
4. AC load: C
5. S/N
2003 Oct 02
Audio part
V
THD
B
S/N
PSRR
V
Reference frequency
f
V
ref
o(AF)(rms)
AF( 3dB)
AM(sup)
o(intc)(rms)
ref(rms)
I
alignment-free IF-PLL demodulators
2
SYMBOL
by the integrated sound carrier traps (see Figs 13 to 18; H (s) is the absolute value of transfer function).
B = 5 MHz weighted in accordance with “CCIR 567” .
W(AF)
C-bus controlled single and multistandard
AUD
W
is the ratio of the black-to-white amplitude to the black level noise voltage (RMS value measured on pin CVBS).
L
< 20 pF and R
AF output voltage (RMS value)
total harmonic distortion of audio
signal
weighted signal-to-noise ratio of
audio signal
AM suppression of
FM demodulator
power supply ripple rejection on
pin AUD
IF intercarrier output level
(RMS value)
reference signal frequency
reference signal voltage
(RMS value)
3 dB AF bandwidth
PARAMETER
2
C-bus, the time constant (R
L
> 1 k . The sound carrier frequencies (depending on the TV standard) are attenuated
27 kHz FM deviation;
50 s de-emphasis
FM: 27 kHz FM deviation;
50 s de-emphasis
AM: m = 54 %
without de-emphasis;
dependent on FM-PLL filter
FM: 27 kHz FM deviation;
50 s de-emphasis;
vision carrier unmodulated
AM: m = 54 %
50 s de-emphasis;
AM: f = 1 kHz and
m = 54 %; referenced to
27 kHz FM deviation
f
QSS mode; SC
L standard;
without modulation
intercarrier mode;
PC/SC
note 6
note 7
operation as input terminal
ripple
for AM
for FM
5
C) at the supply must be >1.2 s (e.g. 1
= 70 Hz; see Fig.6
1
CONDITIONS
= 20 dB; SC
P
= 4.5 V.
1
; SC
2
2
off;
off
430
80
52
45
40
20
14
90
90
80
TDA9885; TDA9886
MIN.
540
0.15
0.5
100
56
50
46
26
20
140
140
75
4
TYP.
Product specification
650
0.50
1.0
180
180
400
MAX.
and 2.2 F).
mV
%
%
kHz
dB
dB
dB
dB
dB
mV
mV
mV
MHz
mV
UNIT