參數(shù)資料
型號(hào)： TDA9855WP
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： I2C-bus controlled BTSC stereo/SAP decoder and audio processor
中文描述： SPECIALTY CONSUMER CIRCUIT, PQCC68
文件頁數(shù)： 16/52頁
文件大?。?/td> 345K
代理商： TDA9855WP
1997 Nov 04
16
Philips Semiconductors
Product specification
I
2
C-bus controlled BTSC stereo/SAP
decoder and audio processor
TDA9855
L
INE OUT AT PINS
LOL
AND
LOR
V
o(rms)
nominal output voltage
(RMS value)
output headroom
output impedance
DC output voltage
output load resistance
output load capacitance
idle crosstalk L, R into SAP
100% modulation
500
mV
HEAD
o
Z
o
V
O
R
L
C
L
α
ct
9
0.45V
CC
0.5V
CC
5
50
80
120
0.55V
CC
V
2.5
dB
k
nF
dB
100% modulation; f
i
= 1 kHz;
L or R; line out switched to
SAP/SAP
100% modulation; f
i
= 1 kHz;
SAP; line out switched to
stereo
250 Hz to 6.3 kHz
idle crosstalk SAP into L, R
50
dB
V
ST-SAP
output voltage difference if
switched from L, R to SAP
3
dB
dbx
NOISE REDUCTION CIRCUIT
t
adj
stereo adjustment time
see Section “Adjustment
procedure” in Chapter
“Functional description”
I
s
can be measured at pin 17
(pin 22) via current meter
connected to
1
2
V
CC
+ 1 V
1
s
I
s
nominal timing current for
nominal release rate of
spectral RMS detector
spread of timing current
timing current adjustment
range
timing current for release rate
of wideband RMS detector
nominal RMS detector
release rate
24
μ
A
I
s
I
s(range)
±
30
15
%
%
7 steps via I
2
C-bus
I
t
1
3
I
s
μ
A
Rel
rate
nominal timing current and
external capacitor values
wideband
spectral
125
381
dB/s
dB/s
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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TDA9859 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal hi-fi audio processor for TV
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