TDA9873H データシートの表示（PDF） - Philips Electronics
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TDA9873H Datasheet PDF : 40 Pages
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Philips Semiconductors
Multistandard dual carrier stereo sound decoder
Product specification
TDA9873H
CHARACTERISTICS
VCC = 5 V; Tamb = 25 °C; B/G standard (fSC1 = 5.5 MHz, fSC2 = 5.742 MHz, SC1/SC2 = 7 dB, ∆fAF = 27 kHz,
fmod = 1 kHz, L = R, stereo mode); input level for first sound carrier Vi(FM)(rms) = 50 mV; fref = 4.000 MHz; measured in
application circuits of Figs 7 and 8; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
MAX.
UNIT
Supply (pin 28)
VCC
supply voltage
4.5
ICC
supply current
40
FM-PLL demodulator (pin 25); note 1
Vi(FM)(rms)
FM-PLL input voltage
(RMS value)
sensitivity for pull-in
first sound carrier
−
second sound carrier
−
level for gain controlled
operation; note 2
first sound carrier
6
second sound carrier
1
Vi(vid)(p-p)
allowable interference video see Fig.3
level (peak-to-peak value)
Vi(FM1)(rms) = 6 mV
−
Vi(FM1)(rms) = 150 mV
−
Ri
input resistance
4
fi(FM)
FM-PLL operating frequencies first sound carrier
(switchable)
M standard
−
B/G standard
−
I standard
−
D/K standard
−
second sound carrier
∆fFM
∆fAF
∆fAF(ident)
frequency windows of digital
acquisition help
frequency deviation
frequency deviation for safe
identification
M standard
−
B/G standard
−
D/K (1) standard
−
D/K (2) standard
−
D/K (3) standard
−
narrow; note 3
−
wide; note 3
−
THD < 1.5%; normal gain −
THD < 1.5%; reduced gain −
VCC = 5 V; stereo: 1 kHz L, −
400 Hz R
αAM
AM suppression
AM: fmod = 1 kHz; m = 0.3 40
referenced to 27 kHz
FM deviation
KO(FM)
VCO steepness ∆fFM/∆VLF1,2 note 4
−
KD(FM)
phase detector steepness
note 4
−
∆ILF1,2/∆ϕ(VFM)
5
6.6
60
75
−
6
−
1
−
150
−
100
−
160
−
2
5
6
4.5 −
5.5 −
6.0 −
6.5 −
4.72
5.74
6.26
6.74
5.74
±225
±450
−
−
−
−
−
−
−
−
−
−
±62
±124
±125
46
−
3.3 −
4
−
V
mA
mV
mV
mV
mV
mV
V
kΩ
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
kHz
kHz
kHz
kHz
kHz
dB
MHz/V
µA/rad
2000 Apr 04
10
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