TDA9851T/V1 データシートの表示（PDF） - Philips Electronics
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TDA9851T/V1 Datasheet PDF : 20 Pages
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Philips Semiconductors
I2C-bus controlled economic BTSC stereo
decoder
Product specification
TDA9851
FEATURES
• Voltage Controlled Amplifier (VCA) noise reduction
circuit
• Stereo or mono selectable at the AF outputs
• Stereo pilot PLL circuit with ceramic resonator
• Automatic pilot cancellation
• Automatic Volume Level (AVL) control (+6 to −15 dB)
• I2C-bus transceiver.
GENERAL DESCRIPTION
The TDA9851 is a bipolar-integrated BTSC stereo
decoder for application in TV sets, VCRs and multimedia
PCs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VCC
ICC
Vo(rms)
supply voltage
supply current
output voltage (RMS value)
αcsL,R
THDL,R
stereo channel separation
L and R
total harmonic distortion L and R
S/N
signal-to-noise ratio
CONDITIONS
MIN.
8
−
composite input voltage
−
250 mV (RMS) for
100% modulation L + R
(25 kHz deviation); fmod = 300 Hz
14% modulation; fL = 300 Hz;
−
fR = 3 kHz
100% modulation L or R;
−
fmod = 1 kHz
mono mode; referenced to 500 mV
output signal
CCIR 468-2 weighted;
50
quasi peak
DIN noise weighting filter
−
(RMS value)
TYP.
9
30
500
MAX. UNIT
9.5 V
40
mA
−
mV
20
−
dB
0.2 1.0 %
60
−
dB
73
−
dBA
ORDERING INFORMATION
TYPE NUMBER
TDA9851
TDA9851T
NAME
SDIP24
SO24
PACKAGE
DESCRIPTION
plastic shrink dual in-line package; 24 leads (400 mil)
plastic small outline package; 24 leads; body width 7.5 mm
VERSION
SOT234-1
SOT137-1
1997 Nov 12
2
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