TDA9853 데이터 시트보기 (PDF) - Unspecified
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TDA9853 Datasheet PDF : 28 Pages
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Philips Semiconductors
I2C-bus controlled economic BTSC stereo
decoder and audio processor
Product specification
TDA9853H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
VCA
Is
Relrate
nominal timing current for
Is can be measured at pin TW 6.5
8
nominal release rate of VCA via current meter connected to
detector
0.5VCC + 1 V
nominal detector release rate nominal timing current and
−
125
external capacitor values
Automatic volume level control
Gv
Gstep
Vi(rms)
Vo(AVL)(rms)
Voffset(DC)
Ratt
Idec
voltage gain
maximum boost; note 3
5
maximum attenuation; note 3 14
equivalent step width between
−
the input stages (soft switching
system)
input voltage (RMS value)
maximum boost; note 3
−
maximum attenuation; note 3 −
output voltage in AVL
160
operation (RMS value)
DC offset voltage between
different gain steps
voltage at pin CAV
−
6 to 5.83 V or 5.83 to 5.61 V or
5.61 to 4.83 V or 4.83 to 2.1 V;
note 4
discharge resistors for attack AT1 = 0; AT2 = 0; note 5
340
time constant
AT1 = 1; AT2 = 0; note 5
590
AT1 = 0; AT2 = 1; note 5
0.96
AT1 = 1; AT2 = 1; note 5
1.7
charge current for decay time normal mode; CCD = 0; note 6 1.6
Power-on speed-up; CCD = 1; −
note 6
6
15
1.5
0.1
1.125
200
−
420
730
1.2
2.1
2
30
Selector internal and external
Zi
input impedance
αs
input isolation of one selected
source to the other input
Vi(max)(rms) maximum input voltage
(RMS value)
Gv
voltage gain, selector
Line output; pins LOL and LOR
Vo(rms)
HRo
Zo
VO
RL
CL
nominal output voltage
(RMS value)
output headroom
output impedance
DC output voltage
output load resistance
output load capacitance
Vi = 1 V; fi = 1 kHz
Vi = 1 V; fi = 12.5 kHz
THD < 0.5%
100% modulation
16
20
70
76
70
76
−
2
−
0
−
500
9
−
−
80
0.45VCC 0.5VCC
5
−
−
−
MAX. UNIT
9.5
µA
−
dB/s
7
dB
16
dB
−
dB
−
V
−
V
250
mV
20
mV
520
Ω
910
Ω
1.5
kΩ
2.6
kΩ
2.4
µA
−
µA
25
kΩ
−
dB
−
dB
−
V
−
dB
−
mV
−
dB
120
Ω
0.55VCC V
−
kΩ
2.5
nF
2000 Dec 11
11
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