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参数资料
| 型号： | TDA4853/V2 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 偏转 |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP32 |
| 封装： | PLASTIC, SDIP-32 |
| 文件页数： | 13/63页 |
| 文件大小： | 318K |
| 代理商： | TDA4853/V2 |
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1999 Jul 13
20
Philips Semiconductors
Product specication
I2C-bus autosync deection controllers for
PC/TV monitors
TDA4853; TDA4854
Output stage for line driver pulses: pin HDRV
OPEN-COLLECTOR OUTPUT STAGE
Vsat(HDRV)
saturation voltage
IHDRV =20mA
0.3
V
IHDRV =60mA
0.8
V
ILO(HDRV)
output leakage current
VHDRV =16V
10
A
AUTOMATIC VARIATION OF DUTY CYCLE
tHDRV(OFF)/tH
relative tOFF time of HDRV
output; measured at
VHDRV = 3 V; HDRV duty cycle
is modulated by the relation
IHREF/IVREF
IHDRV = 20 mA;
fH = 31.45 kHz; see Fig.16
42
45
48
%
IHDRV = 20 mA;
fH = 58 kHz; see Fig.16
45.5
48.5
51.5
%
IHDRV = 20 mA;
fH = 110 kHz; see Fig.16
49
52
55
%
X-ray protection: pins XRAY and XSEL
VXRAY(sl)
slicing voltage level for latch
6.22
6.39
6.56
V
tW(XRAY)(min)
minimum width of trigger pulse
30
s
Ri(XRAY)
input resistance at pin 2
VXRAY <6.38V+VBE
500
k
VXRAY >6.38V+VBE
5
k
standby mode
5
k
XRAYrst
reset of X-ray latch
pin 9 open-circuit or
connected to GND
set control bit SOFTST via
the I2C-bus
pin 9 connected to VCC via
RXSEL
switch off VCC then re-apply
VCC
VCC(XRAY)(min)
minimum supply voltage for
correct function of the X-ray
latch
pin 9 connected to VCC via
RXSEL
4V
VCC(XRAY)(max)
maximum supply voltage for
reset of the X-ray latch
pin 9 connected to VCC via
RXSEL
2
V
RXSEL
external resistor at pin 9
no reset via I2C-bus
56
130
k
Vertical oscillator [oscillator frequency in application without adjustment of free-running frequency ffr(V)]
ffr(V)
free-running frequency
RVREF =22k;
CVCAP = 100 nF
40
42
43.3
Hz
fcr(V)
vertical frequency catching
range
constant amplitude; note 7 50
160
Hz
VVREF
voltage at reference input for
vertical oscillator
3.0
V
td(scan)
delay between trigger pulse
and start of ramp at VCAP
(pin 24) (width of vertical
blanking pulse)
control bit VBLK = 0
220
260
300
s
control bit VBLK = 1
305
350
395
s
IVAGC
amplitude control current
control bit AGCDIS = 0
±120
±200
±300
A
control bit AGCDIS = 1
0
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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