TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 19

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Dec 03
SIF1 and SIF2 analog inputs
V
V
AGC
f
R
C
C/N
C/N
Demodulator performance
V
THD + N
i
f
f
f
SIF(max)(p-p)
SIF(min)(p-p)
ct
o(nom)(rms)
SYMBOL
i
i
Digital TV sound demodulator/decoder
FM
FM(FS)
FM(max)
FM
N
maximum composite SIF input
voltage before clipping
(peak-to-peak value)
minimum composite SIF input
voltage for lower limit of AGC
(peak-to-peak value)
AGC range
input frequency
input resistance
input capacitance
FM deviation
FM deviation full-scale level
maximum FM deviation in high
deviation mode
FM carrier-to-noise ratio
NICAM carrier-to-noise ratio
crosstalk attenuation
SIF1 to SIF2
nominal level output voltage
(RMS value)
total harmonic distortion plus
noise
PARAMETER
SIF input level adjustment
0 dB
SIF input level adjustment
SIF input level adjustment
0 dB
SIF input level adjustment
AGCLEV = 0
B/G standard; THD < 1%
terrestrial FM; level
adjustment 0 dB;
demodulator filter bandwidth
set to narrow
B/G standard; THD < 1%;
demodulator filter bandwidth
set to extra wide
N
white noise for S/N = 40 dB;
“CCIR468-2” ; quasi peak
N
error rate = 10
noise
f
note 1
from FM source to any
output; f
20 Hz to 20 kHz;
V
from NICAM source to any
output; f
20 Hz to 20 kHz;
V
i
10 dB
10 dB
o
o
FM
N
= 4 to 9.2 MHz
= 1 V (RMS)
= 1 V (RMS)
bandwidth = 6 MHz; bit
bandwidth = 6 MHz;
CONDITIONS
i
i
19
= 1 kHz; bandwidth
= 1 kHz; bandwidth
3
; white
4
10
50
400
100
150
335
MIN.
941
2976
59
188
24
7.5
77
66
500
0.3
0.1
TYP.
Preliminary specification
TDA9874A
9.2
11
600
0.5
0.3
MAX.
mV
mV
mV
mV
dB
MHz
k
pF
kHz
kHz
kHz
dB
mV
%
%
UNIT
dB
------ -
Hz
dB
------ -
Hz