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(yè)數(shù)： 7/40頁(yè)
文件大?。?/td> 195K
代理商： TDA9852H-T
1997 Mar 11
15
Philips Semiconductors
Preliminary specication
I2C-bus controlled BTSC stereo/SAP
decoder and audio processor
TDA9852
LINE OUT at pins LOL and LOR
Vo(rms)
nominal output voltage
(RMS value)
100% modulation
500
mV
HEADo
output headroom
9
dB
Zo
output impedance
80
120
VO
DC output voltage
0.45VCC 0.5VCC
0.55VCC V
RL
output load resistance
5
k
CL
output load capacitance
2.5
nF
α
ct
crosstalk L, R into SAP
100% modulation; fi = 1 kHz;
L or R; mode selector switched
to SAP/SAP
50
75
dB
crosstalk SAP into L, R
100% modulation; fi = 1 kHz;
SAP; mode selector switched
to stereo
50
70
dB
V
ST-SAP
output voltage difference if
switched from L, R to SAP
250 Hz to 6.3 kHz
3dB
dbx noise reduction circuit
tadj
stereo adjustment time
see Section “Adjustment
procedure” in Chapter
“Functional description”
1s
Is
nominal timing current for
nominal release rate of
spectral RMS detector
Is can be measured at pin CTS
via current meter connected to
1
2VCC +1V
24
A
I
s
spread of timing current
15
+15
%
Is range
timing current range
7 steps via I2C-bus
±30
%
It
timing current for release rate
of wideband RMS detector
1
3Is
A
Relrate
nominal RMS detector
release rate
nominal timing current and
external capacitor values
wideband
125
dB/s
spectral
381
dB/s
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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