TDA9881 Philips Semiconductors, TDA9881 Datasheet - Page 20

• Manufacturer Part Number: TDA9881
• Description: Alignment-free vision and FM sound IF PLL demodulator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 10:
V
f
broadband transformer 1 : 1; video modulation DSB; residual carrier for B/G is 10 %; video signal in accordance with “CCIR
line 17 and line 330”; measurements taken in test circuit of
9397 750 13417
Product data sheet
Symbol
PSRR
FM PLL filter; pin FMPLL
V
I
I
I
I
t
T
K
K
Audio amplifier
De-emphasis network; pin DEEM
R
V
V
AF decoupling; pin AFD
V
I
I
I
FM sound output; pin FMSO
R
V
R
R
C
SC
o(source)(PD)(max)
o(sink)(PD)(max)
o(source)(DAH)
o(sink)(DAH)
W(DAH)
L
ch(max)
dch(max)
P
loop
cy(DAH)
O(FM)
D(FM)
AF(rms)
O
dec
O(FMSO)
o
o
L
L(DC)
L
= 5 V; T
= 33.4 MHz; PC/SC = 13 dB; f
FM
amb
Characteristics
= 25 C; see
Parameter
power supply ripple
rejection
DC loop voltage
maximum phase detector
output source current
maximum phase detector
output sink current
output source current of
digital acquisition help
output sink current of
digital acquisition help
pulse width of digital
acquisition help current
cycle time of digital
acquisition help
VCO steepness
phase detector
steepness
output resistance
audio signal (RMS value) f
DC output voltage
DC decoupling voltage
leakage current
maximum charge current
maximum discharge
current
output resistance
DC output voltage
load resistance
DC load resistance
load capacitance
Table 12
…continued
mod
for input frequencies; B/G standard is used for the specification (f
= 400 Hz); input level V
Conditions
f
see
definition: f
definition: I
50 s de-emphasis;
see
75 s de-emphasis;
see
V
dependent on f
intercarrier frequency
AC-coupled
ripple
AF
V
FMSO
O(FMSO)
Rev. 01 — 16 November 2004
= 400 Hz;
Figure 5
Table 5
Table 5
= 70 Hz;
= 500 mV
< 50 mV
Alignment-free vision and FM sound IF PLL demodulator
FM
FMPLL
Figure
/ V
FM
i(VIF)
/
FMPLL
= 10 mV (RMS) (sync level for B/G); IF input from 50
21; unless otherwise specified.
FM
[3]
Min
14
1.5
-
-
-
-
-
-
-
-
4.4
6.6
-
-
1.5
-
1.15
1.15
-
-
10
100
-
Typ
20
-
60
60
55
55
16
64
3.3
4
5.0
7.5
170
2.37
-
-
1.50
1.50
-
2.37
-
-
-
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Max
-
3.3
-
-
-
-
-
-
-
-
5.6
8.4
-
-
3.3
1.85
1.85
300
-
-
-
1.5
PC
25
TDA9881
= 38.9 MHz;
www.DataSheet4U.com
Unit
dB
V
MHz/V
k
k
mV
V
V
nA
V
k
k
nF
A
A
A
A
s
s
A/rad
A
A
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