tda9874aps NXP Semiconductors, tda9874aps Datasheet - Page 55

• Manufacturer Part Number: tda9874aps
• Description: Digital Tv Sound Demodulator/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Aug 04
S/N
B
f
dm
I
mod
C/N
hys
f
t
res
DENTIFICATION FOR
ident
ident(on)
cs(dual)
cs(stereo)
AM
SYMBOL
Digital TV sound demodulator/decoder
3dB
AM
(tun)
p
p
signal-to-noise ratio
frequency response
20 Hz to 14 kHz
dual signal channel separation
stereo channel separation
AM suppression for FM
AM demodulation
pilot modulation for identification
pilot sideband carrier-to-noise
ratio for identification start
hysteresis
identification window
total identification time on
3 dB bandwidth
FM
SYSTEMS
PARAMETER
SC1 from FM source to any
output; V
“CCIR468-2” ; quasi peak
SC2 from FM source to any
output; V
“CCIR468-2” ; quasi peak
SC1 during use of high
deviation mode from
FM source to any output;
V
“CCIR468-2” ; quasi peak
NICAM source;
V
“CCIR468-2” ; quasi peak
from FM source to any
output
from NICAM source to any
output
from FM/NICAM to any
output; reference 1 kHz
note 3
note 4
AM: 1 kHz, 30% modulation;
reference: f
deviation
SIF level 100 mV (RMS);
54% AM; 1 kHz AF;
“CCIR468-2” ; quasi peak
B/G stereo
B/G dual
slow mode
medium mode
fast mode
o
o
slow mode
medium mode
fast mode
slow mode
medium mode
fast mode
= 1 V (RMS);
= 1 V (RMS);
CONDITIONS
55
o
o
= 1 V (RMS);
= 1 V (RMS);
i
= 1 kHz; 50 kHz
64
60
62
NICAM in accordance with
“EBU specification” ; note 2
14.5
14.5
65
40
50
36
25
116.85
116.11
114.65
273.44
272.07
270.73
2
MIN.
70
66
68
15
15
70
45
45
50
27
TYP.
Product specification
TDA9874A
+1
75
2
118.12
118.89
120.46
274.81
276.20
277.60
2
1
0.5
MAX.
dB
dB
dB
kHz
kHz
dB
dB
dB
dB
dB
%
dB
Hz
Hz
Hz
Hz
Hz
Hz
s
s
s
dB
------ -
Hz
UNIT