TDA9725 データシートの表示（PDF） - Philips Electronics
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TDA9725 Datasheet PDF : 44 Pages
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Philips Semiconductors
Y/C automatic adjustment processor
(VHS standard)
Product specification
TDA9725
SYMBOL
PARAMETER
CONDITIONS
MIN.
Main de-emphasis output (pin 8; open collector)
V8
DC output voltage
fi = 3.8 MHz at VHS
2.9
VVID(p-p)
video output voltage level fDEV = 1 MHz
230
(peak-to-peak value)
ΦDEM
demodulator sensitivity
VHS mode
0.23
SQPB mode
0.14
LIN1
demodulator linearity 1
VHS mode
0.97
V-V----00----((--54-----MM-----HH----zz----))----––-----VV----00----((--43-----MM-----HH----zz----))--
LIN2
demodulator linearity 2
SQPB mode
0.90
VV-----00----((--97-----MM-----HH----zz----))----––-----VV----00----((--75-----MM-----HH----zz----))--
Main de-emphasis and peaking output (pin 9)
V9
DC output voltage
fi = 3.8 MHz at VHS
1.1
VVR(p-p)
reverse video voltage level
230
(peak-to-peak value)
αDEM
suppression of
40
demodulated carrier
FM output (pin 11)
V11
V11(p-p)
fsync
∆fsync
fdev
∆fdev
∆frot
H2
Lmod
DC mean value output
RL = 1 kΩ
2.9
voltage
output voltage level
RL = 1 kΩ
0.7
(peak-to-peak value)
sync output frequency
stability of sync output
frequency
V5 = Vsync; V43 = 0 dB
∆VCC = ±0.25 V
or Tamb = −10 to +70 °C
3.75
−20
frequency deviation
V5 = Vwhite; V43 = 0 dB;
video/sync = 7/3
0.95
stability of frequency
∆VCC = ±0.25 V
−20
deviation
or Tamb = −10 to +70 °C
carrier interleave frequency rotary pulse (pin 19) HIGH/LOW; 6.8
at SP and LP
second harmonic distortion fi = 3.8 MHz
−
modulator linearity
0.95
TYP.
3.4
300
0.3
0.19
1.0
1.0
1.6
300
−
3.2
0.9
3.8
−
1.0
−
7.8
−50
1.00
MAX.
3.9
370
0.37
0.24
1.03
1.07
2.1
370
−
3.5
1.1
3.85
+20
1.05
+20
8.8
−42
1.05
UNIT
V
mV
V/MHz
V/MHz
V
mV
dB
V
V
MHz
kHz
MHz
kHz
kHz
dB
1996 Oct 14
10
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