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
VHFOCUS(p-p)
VVFOCUS(p-p)
PARAMETER
amplitude of horizontal focus
parabola (peak-to-peak value)
amplitude of vertical parabola
(peak-to-peak value)
Vo(FOCUS)(max)
Vo(FOCUS)(min)
maximum output voltage
minimum output voltage
Io(FOCUS)(max)
CL(FOCUS)(max)
maximum output current
maximum capacitive load
B+ control section; see Figs 25 and 26
CONDITIONS
register HFOCUS = 0
register HFOCUS = 31
register VFOCUS = 0;
note 8
register VFOCUS = 15;
note 8
Io(FOCUS) = 0
Io(FOCUS) = 0
TRANSCONDUCTANCE AMPLIFIER: PINS BIN AND BOP
Vi(BIN)
Ii(BIN)(max)
Vref(int)
input voltage
maximum input current
reference voltage at internal
non-inverting input of OTA
Vo(BOP)(min)
Vo(BOP)(max)
Io(BOP)(max)
gm(OTA)
Gv(ol)
CBOP(min)
minimum output voltage
maximum output voltage
maximum output current
transconductance of OTA
open-loop voltage gain
minimum value of capacitor at
BOP (pin 3)
IBOP < 1 mA
note 11
note 12
VOLTAGE COMPARATOR: PIN BSENS
Vi(BSENS)
voltage range of positive
comparator input
Vi(BOP)
voltage range of negative
comparator input
ILI(BSENS)(max)
maximum leakage current
discharge disabled
OPEN-COLLECTOR OUTPUT STAGE: PIN BDRV
Io(BDRV)(max)
ILO(BDRV)
Vsat(BDRV)
toff(BDRV)(min)
td(BDRV-HDRV)
maximum output current
note 13
output leakage current
saturation voltage
minimum off-time
VBDRV = 16 V
Io(BDRV) < 20 mA
delay between BDRV pulse and measured at
HDRV pulse
VHDRV = VBDRV = 3 V
MIN.
−
−
−
TYP.
0.06
3.3
0.02
MAX.
−
−
−
UNIT
V
V
V
−
1.1
−
V
6.15 6.4
1.0
1.3
±1.5 −
−
−
6.65 V
1.6
V
−
mA
20
pF
0
−
−
−
2.37 2.5
5.25 V
±1
µA
2.58 V
−
−
0.5
V
5.0
5.3
5.6
V
−
±500 −
µA
30
50
70
mS
−
86
−
dB
10
−
−
nF
0
−
5
V
0
−
5
V
−
−
−2
µA
20
−
−
mA
−
−
3
µA
−
−
300 mV
−
250 −
ns
−
500 −
ns
2003 Sep 30
24
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