參數(shù)資料
型號： TDA9870A
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Digital TV Sound Processor DTVSP
中文描述： SPECIALTY CONSUMER CIRCUIT, PDIP64
封裝： SHRINK, PLASTIC, DIP
文件頁數(shù)： 24/88頁
文件大?。?/td> 362K
代理商： TDA9870A
1998 Aug 10
24
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9870A
Analog audio outputs
L
OUDSPEAKER
(
MAIN
)
AND HEADPHONE
(
AUXILIARY
)
OUTPUTS
V
o(clip)(rms)
clipping level output voltage
(RMS value)
output resistance
AC load resistance
DC load resistance
output load capacitance
static DC offset voltage
mute suppression
THD < 3%
1250
1400
mV
R
o
R
L(AC)
R
L(DC)
C
oL
V
offset(DC)
α
mute
150
10
10
80
250
10
30
375
12
70
k
k
nF
mV
dB
nominal input signal from
any source; f
i
= 1 kHz;
note 3
from any source
G
ro(main,aux)
roll-off gain at 14.5 kHz for
Main and Auxiliary channels
3
2
dB
PSRR
main,aux
power supply ripple rejection
for Main and Auxiliary
channels
f
ripple
= 70 Hz;
V
ripple
= 100 mV (peak);
C
Vref
= 47
μ
F;
signal from I
2
S-bus
40
45
dB
SCART
OUTPUTS AND LINE OUTPUT
V
o(nom)(rms)
nominal level output voltage
(RMS value)
clipping level output voltage
(RMS value)
output resistance
AC load resistance
DC load resistance
output load capacitance
static DC offset voltage
3 dB amplification; note 3
500
mV
V
o(clip)(rms)
THD < 3%
1250
1400
mV
R
o
R
L(AC)
R
L(DC)
C
oL
V
offset(DC)
150
10
10
250
30
375
2.5
50
k
k
nF
mV
output amplifiers at 3 dB
position
nominal input signal from
any source; f
i
= 1 kHz;
note 3
from SCART, external and
mono sources;
3 dB bandwidth
from DSP sources;
3 dB bandwidth
f
ripple
= 70 Hz;
V
ripple
= 100 mV (peak);
C
Vref
= 47
μ
F;
signal from I
2
S-bus
α
mute
mute suppression
80
dB
B
bandwidth
20
kHz
14.5
kHz
PSRR
power supply ripple rejection
40
45
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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