參數(shù)資料
型號(hào)： TDA9852H-T
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP44
文件頁數(shù)： 10/40頁
文件大小： 195K
代理商： TDA9852H-T
1997 Mar 11
18
Philips Semiconductors
Preliminary specication
I2C-bus controlled BTSC stereo/SAP
decoder and audio processor
TDA9852
Audio control part; input pins VIL and VIR to pins OUTX and OUTS
Zi
volume input impedance
8.0
10.0
12.0
k
Zo
output impedance
80
120
RL
output load resistance
5
k
CL
output load capacitance
0
2.5
nF
Vi(rms)
maximum input voltage
(RMS value)
THD < 0.5%
2.0
2.15
V
Vno
noise output voltage
CCIR 468-2 weighted;
quasi peak
Gv =16dB
110
220
V
Gv =0dB
33
50
V
mute position
10
V
Gc
total continuous control range
maximum boost
16
dB
maximum attenuation
71
dB
Gstep
step resolution
1
dB
step error between adjoining
step
0.5
dB
Ga
attenuator set error
Gv = +16 to 50 dB
2dB
Gv = 51 to 71 dB
3dB
G
L
gain tracking error
Gv = +16 to 50 dB
2dB
αm
mute attenuation
80
dB
VDC OFF
DC step offset between any
adjacent step
Gv = +16 to 0 dB
0.2
10.0
mV
Gv =0to 71 dB
5mV
DC step offset between any
step to mute
Gv = +16 to +1 dB
215
mV
Gv =0to 71 dB
110
mV
Loudness control part
LB
maximum loudness boost
loudness on; referred to
loudness off; boost is
determined by external
components; see Fig.6
fi =40Hz
17
dB
fi = 10 kHz
4.5
dB
LG
loudness control range
12
+16
Muting at power supply drop for OUTR and OUTS
VCC-DROP
supply drop for mute active
VCAP 0.7
V
Power-on reset; note 9
VRESET(STA)
start of reset voltage
increasing supply voltage
2.5
V
decreasing supply voltage
4.2
5
5.8
V
VRESET(END) end of reset voltage
increasing supply voltage
5.2
6
6.8
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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