TDA9885 Philips Semiconductors, TDA9885 Datasheet - Page 30

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

Philips Semiconductors
2003 Oct 02
FM-PLL demodulator; notes 15 and 18 to 22
S
V
V
V
f
A
V
V
THD
B
S/N
PSRR
FM
V
f
V
OUND INTERCARRIER OUTPUT
FM(rms)
FM(lock)(rms)
FM(det)(rms)
UDIO OUTPUT
o(AF)(rms)
o(AF)(cl)(rms)
AF( 3dB)
AM(sup)
I
alignment-free IF-PLL demodulators
AF
2
o(AF)
r(SC)(rms)
SYMBOL
W(AF)
C-bus controlled single and multistandard
FM
/ T
(
PIN
IF intercarrier level for gain
controlled operation of FM-PLL
(RMS value)
IF intercarrier level for lock-in of
PLL (RMS value)
IF intercarrier level for
FM carrier detect (RMS value)
sound intercarrier operating
FM frequencies
AF output voltage (RMS value)
AF output clipping level
(RMS value)
AF output voltage variation with
temperature
total harmonic distortion
frequency deviation
weighted signal-to-noise ratio of
audio signal
residual sound carrier
(RMS value)
AM suppression of
FM demodulator
power supply ripple rejection
AUD)
3 dB AF bandwidth
PARAMETER
(
PIN
SIOMAD)
corresponding PC/SC
ratio at input pins VIF1
and VIF2 is 7 to 47 dB
see Table 6
see Table 14
25 kHz FM deviation;
75 s de-emphasis
27 kHz FM deviation;
50 s de-emphasis
THD < 1.5 %
THD < 1.5 %; note 19
I
without de-emphasis;
measured with FM-PLL
filter of Fig.23
FM-PLL only;
27 kHz FM deviation;
50 s de-emphasis
black picture;
see Fig.19
fundamental wave and
harmonics; without
de-emphasis
referenced to 27 kHz
FM deviation;
50 s de-emphasis;
AM: f = 1 kHz;
m = 54 %
f
see Fig.6
2
ripple
6 dB AF output via
C-bus; note 19
30
CONDITIONS
= 70 Hz;
3.2
400
430
1.3
80
52
50
40
14
MIN.
TDA9885; TDA9886
4.5
5.5
6.0
6.5
500
540
1.4
3
0.15
100
56
56
46
20
TYP.
10
3
Product specification
320
2
2.3
600
650
7
0.50
2
55
110
MAX.
10
3
mV
mV
mV
MHz
MHz
MHz
MHz
mV
mV
V
dB/K
%
kHz
kHz
kHz
dB
dB
mV
dB
dB
UNIT