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參數(shù)資料
| 型號(hào)： | LA7853 |
| 元件分類： | 偏轉(zhuǎn) |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP22 |
| 封裝： | SDIP-22 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大小： | 88K |
| 代理商： | LA7853 |
LA7853
No.2873-2/4
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V11, V22
14
V
Allowable power dissipation
Pd max
Ta
≤ 65 °C
780
mW
Operating temperature
Topr
20 to +85
°C
Storage temperature
Tstg
55 to +125
°C
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V11, V22
12
V
Operating voltage range
V11, V22
9 to 13.5
V
Recommended vertical pulse input peak value
VPULSE
5
Vp-p
Operating vertical pulse input peak value range
VPULSE
2 to 6
Vp-p
Recommended horizontal pulse input peak value
HPULSE
5
Vp-p
Operating horizontal pulse input peak value range
HPULSE
2 to 6
Vp-p
Electrical Characteristics at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
VCC11 current drain
I11
12
30
mA
VCC22 current drain
I22
5
12
mA
Vertical frequency pull-in range
VP IN
Vertical sync 60Hz
19.0
23.0
Hz
Vertical free-running frequency
fv
fvcenter 55Hz
50
60
Hz
Increased/reduced voltage characteristic of vertical
frequency
Δfv.v
V22 = 12 ± 1V, 55Hz at 12V
0.1
+0.1
Hz
Midpoint control threshold level
3.8
4.4
V
Vertical OSC start voltage
fv, st
4.0
V
Temparature characteristic of vertical frequency
Ta =
10 to +60°C
0.028
+0.028
Hz/
°C
Vertical driver amplification factor
Gv
12
18
dB
IAFC+
0.85
1.6
mA
Horizontal AFC DC loop gain
IAFC
1.6
0.85
mA
Horizontal free-running frequency
fH
fH center 15.734kHz
750
+750
Hz
Horizontal OSC start voltage
fH, st
4.0
V
Increased/reduced voltage characteristic of horizontal
frequency
ΔfH, v
V11 = 12 ± 1V, 15.734kHz at 12V
50
+50
Hz
Horizontal OSC warm-up drift
ΔfH
5s. to 30min. after application of power
50
+50
Hz
Temperature characteristic of horizontal frequency
Ta =
10 to +60°C
2.9
+2.9
Hz/
°C
Horizontal output drive current
I13
6.0
12.0
mA
Increased/reduced voltage characteristic of phase
shifter delay time
V11 = 12 ± 1V
0.5
+0.5
%/V
Temperature characteristic of phase shifter delay time
Ta =
10 to +60°C
0.1
+0.1
%/
°C
Increased/reduced voltage characteristic of phase
shifter pulse width
V11 = 12 ± 1V
0.1
+0.1
%/V
Ta =
10 to +60°C
0.13
+0.13
%/
°C
AFC phase comparison center time
15.734kHz after F.B.P. input
9.9
11.5
μs
Increased/reduced voltage characteristic of AFC
phase comparison center time
V11 = 12 ± 1V
1.5
+1.5
%/V
Temperature characteristic of AFC phase comparison
center time
Ta =
10 to +60°C
0.2
+0.2
%/
°C
Comparison waveform generating input operation
voltage
V5
0.6
0.9
V
pin 14 voltage at hold-down operation start
V14
0.5
0.8
V
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