參數(shù)資料
型號： TDA4858
廠商： NXP SEMICONDUCTORS
元件分類： 偏轉(zhuǎn)
英文描述： Economy Autosync Deflection Controller (EASDC)
中文描述： HORIZ/VERT DEFLECTION IC, PDIP32
封裝： 0.400 INCH, PLASTIC, SOT-232-1, SDIP-32
文件頁數(shù)： 17/44頁
文件大?。?/td> 284K
代理商： TDA4858
1997 Oct 27
17
Philips Semiconductors
Product specification
Economy Autosync Deflection Controller
(EASDC)
TDA4858
Vertical oscillator (oscillator frequency in application without adjustment of free-running frequency f
v(o)
)
R
VREF
= 22 k
;
C
VCAP
= 100 nF
f
v(o)
vertical frequency catching
range
notes 6, 7 and 8
V
VREF
voltage at reference input for
vertical oscillator
t
d(scan)
delay between trigger pulse
and start of ramp at VCAP
(pin 24) (width of vertical
blanking pulse)
I
VAGC
control currents of amplitude
control
C
VAGC
external capacitor at VAGC
(pin 22)
f
V
free-running frequency
40
42
43.3
Hz
constant amplitude;
50
110
Hz
3.0
V
240
300
360
μ
s
±
120
±
200
±
300
μ
A
150
nF
Differential vertical current outputs
A
DJUSTMENT OF VERTICAL SIZE
(see Figs 3 to 8) [VAMP (
PIN
18)]
VAMP
vertical size adjustment range
(referenced to nominal vertical
size)
I
VAMP
input current for maximum
amplitude (100%)
input current for minimum
amplitude (60%)
V
ref(VAMP)
reference voltage at input
A
DJUSTMENT OF VERTICAL SHIFT
(see Figs 3 to 8) [VPOS (
PIN
17)]
VPOS
vertical shift adjustment range
(referenced to 100% vertical
size)
I
VPOS
input current for maximum
shift-up
input current for maximum
shift-down
V
ref(VPOS)
reference voltage at input
V
off(VPOS)
vertical shift is centred if VPOS
(pin 17) is forced to ground
I
VAMP
= 0; note 9
I
VAMP
=
135
μ
A; note 9
60
100
%
%
110
120
135
μ
A
0
μ
A
5.0
V
I
VPOS
=
135
μ
A; note 9
I
VPOS
= 0; note 9
11.5
+11.5
%
%
110
120
135
μ
A
0
μ
A
0
5.0
0.1
V
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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