TDA4856 데이터 시트보기 (PDF) - Philips Electronics
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TDA4856 Datasheet PDF : 58 Pages
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Philips Semiconductors
I2C-bus autosync deflection controller for
PC monitors
Product specification
TDA4856
SYMBOL
PARAMETER
CONDITIONS
MIN.
EW drive output
EW DRIVE OUTPUT STAGE: pin EWDRV; see Figs 8 to 11
Vo(const)(EWDRV)
bottom output voltage at
pin EWDRV
(internally stabilized)
register HPIN = 0;
1.05
register HTRAP = 32;
register HSIZE = 255;
control bit VSC = 1
Vo(EWDRV)(max)
maximum output voltage
note 9
7.0
IL(EWDRV)
load current
−
TCEWDRV
temperature coefficient of
−
output signal
VHPIN(EWDRV)
horizontal pincushion voltage register HPIN = 0;
−
control bit VSC = 1; note 8
register HPIN = 63;
−
control bit VSC = 1; note 8
VHCORT(EWDRV)
horizontal corner correction
voltage at top of picture
register HCORT = 0;
−
control bit VSC = 0; note 8
register HCORT = 63;
−
control bit VSC = 0; note 8
register HCORT = X;
−
control bit VSC = 1; note 8
VHCORB(EWDRV)
horizontal corner correction
voltage at bottom of picture
register HCORB = 0;
−
control bit VSC = 0; note 8
register HCORB = 63;
−
control bit VSC = 0; note 8
register HCORB = X;
−
control bit VSC = 1; note 8
VHTRAP(EWDRV) horizontal trapezium correction register HTRAP = 63;
−
voltage
note 8
register HTRAP = 0;
−
note 8
register HTRAP = 32;
−
note 8
VHSIZE(EWDRV)
horizontal size voltage
register HSIZE = 255;
−
note 8
register HSIZE = 0; note 8 −
VHEHT(EWDRV)
EHT compensation on
horizontal size via HSMOD
(pin 31)
Ii(HSMOD) = 0; note 8
−
Ii(HSMOD) = −120 µA; note 8 −
Ii(HSMOD)
Ri(HSMOD)
Vref(HSMOD)
fro(HSMOD)
input current (pin 31)
input resistance
reference voltage at input
roll-off frequency (−3 dB)
VHEHT(EWDRV) = 0.02 V
−
VHEHT(EWDRV) = 0.69 V
−
300
Ii(HSMOD) = 0
−
Ii(HSMOD) = −60 µA
1
+ 15 µA (RMS)
TYP.
1.2
−
−
−
0.04
1.42
0.2
−0.64
0
0.2
−0.64
0
−0.5
0.5
−0.01
0.13
3.6
0.02
0.69
0
−120
−
5.0
−
MAX. UNIT
1.35 V
−
V
±2
mA
600
10−6/K
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
µA
−
µA
500 Ω
−
V
−
MHz
2003 Sep 30
22
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