參數(shù)資料
型號： TDA9847T-T
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO24
文件頁數(shù)： 12/28頁
文件大?。?/td> 146K
代理商： TDA9847T-T
1995 May 23
2
Philips Semiconductors
Preliminary specication
TV and VTR stereo/dual sound processor
with digital identication
TDA9847
FEATURES
Supply voltage 5 to 8 V
Source selector
Stereo matrix
AF inputs for external stereo AF signals
(SCART or NICAM)
AF outputs for main and SCART
LED operation mode indication (stereo and dual)
High identification reliability.
GENERAL DESCRIPTION
The TDA9847 is a stereo/dual sound processor for TV and
VTR sets. Its identification ensures safe operation by using
internal digital PLL technique with extremely small
bandwidth, synchronous detection and digital integration
(switching time maximum 2.0 s; identification concerning
the main functions).
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage (pin 22)
4.5
5
8.8
V
IP
supply current (pin 22)
without LED current
14
15
20
mA
Vi(rms)
nominal input signal voltage
Vi1 to Vi4 (RMS value)
54% modulation
B/G
250
mV
L
500
mV
Vo(rms)
nominal output signal voltage
(RMS value)
54% modulation
500
mV
Vo(rms)
clipping level of the output signal
voltages (RMS value)
THD
≤ 1.5%; B/G or L
VP = 5 V
1.4
1.60
V
VP = 8 V
2.4
2.65
V
ILon
input current
LED on
12
mA
Vi pil
input voltage sensitivity of pilot
frequency
unmodulated
5
100
mV
S/N(W)
weighted signal-to-noise ratio
“CCIR468-3”
66
75
dB
THD
total harmonic distortion
0.2
0.3
%
Tamb
operating ambient temperature
0
+70
°C
fident
identication window width
stereo
2.2
2.2
Hz
dual
2.3
2.3
Hz
tident on
total identication time on
0.35
2.0
s
Vi tuner
identication voltage sensitivity
28
dB
V
f
pil
pull-in frequency range of pilot PLL
fosc = 10.008 MHz
lower side
296
Hz
upper side
302
302
Hz
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA9847
SDIP24
plastic shrink dual in-line package; 24 leads (400 mil)
SOT234-1
TDA9847T
SO24
plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
相關PDF資料
PDF描述
TDA9850N SPECIALTY CONSUMER CIRCUIT, PDIP32
TDA9850T-T SPECIALTY CONSUMER CIRCUIT, PDSO32
TDA9850TD-T SPECIALTY CONSUMER CIRCUIT, PDSO32
TDA9850TD SPECIALTY CONSUMER CIRCUIT, PDSO32
TDA9850PN SPECIALTY CONSUMER CIRCUIT, PDIP32
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