TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 21

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

Philips Semiconductors
1999 Dec 03
t
Mono and external inputs
V
V
R
Analog audio outputs
V
R
R
R
C
V
B
G
PSRR
Audio performance
THD + N
S/N
off(ident)
i(nom)(rms)
i(cl)(rms)
o(clip)(rms)
offset(DC)
mute
line
ct
cs
SYMBOL
i
o
L(AC)
L(DC)
o(L)
Digital TV sound demodulator/decoder
ro
total identification time off
nominal level input voltage
(RMS value)
clipping level input voltage
(RMS value)
input resistance
clipping level output voltage
(RMS value)
output resistance
AC load resistor
DC load resistor
output load capacitor
static DC offset voltage
mute suppression
bandwidth
roll-off gain at 14.5 kHz
power supply ripple rejection
total harmonic distortion plus
noise
signal-to-noise ratio
crosstalk attenuation
channel separation
PARAMETER
slow mode
medium mode
fast mode
note 1
THD < 3%; note 5
note 5
THD < 3%
nominal input signal from
any source; f
note 1
from external and mono
source; 3 dB bandwidth
from any source
f
V
C
I
V
f
20 Hz to 20 kHz; from
external/mono input to
output copy
reference voltage
V
f
quasi peak; from external or
mono input to output copy
between any analog input
pairs; f
between left and right of
external input pair
between left and right of
output pair
ripple
2
i
i
ripple
in/out
0
Vref
S-bus
= 1 kHz; bandwidth
= 1 kHz; “CCIR468-2” ;
= 1.4 V (RMS);
= 70 Hz;
= 47 F; signal from
= 100 mV (peak);
= 1 V (RMS);
i
CONDITIONS
= 1 kHz
21
i
= 1 kHz;
1250
28
1400
150
10
10
80
20
40
78
70
65
60
3
MIN.
500
1400
35
250
10
30
45
0.1
90
2
TYP.
Preliminary specification
TDA9874A
2
1
0.5
42
375
12
70
0.3
MAX.
s
s
s
mV
mV
k
mV
k
k
nF
mV
dB
kHz
dB
dB
%
dB
dB
dB
dB
UNIT