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參數(shù)資料
| 型號： | LA7851 |
| 元件分類： | 偏轉(zhuǎn) |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP20 |
| 封裝： | SLIM, DIP-20 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 495K |
| 代理商： | LA7851 |
LA7858
No.3314-2/8
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum Supply Voltage
V11, V22 max
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 Rage
V11, V22 op
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, V11, V22 = 12V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
VCC10 Current Dissipation
I11
12
30
mA
VCC20 Current Dissipation
I22
5
12
mA
Vertical Frequency Pull-in Range
VPIN
Vertical sync 60Hz
21.0
23.0
Hz
Vertical Free-running Frequency
fV
fV center 55Hz
50
60
Hz
Increased/Reduced Voltage
Characteristic of Vertical Frequency
ΔfV.V
V22 = 12±1V, 55Hz at 12V
0.1
Hz
Midpoint Control Threshold Level
3.8
4.4
V
Vertical OSC Start Voltage
fV.st
4.0
V
Temperature Characteristic of
Vertical Frequency
Ta =
10 to +60°C
0.028
Hz/
°C
Vertical Driver Amplification Factor
GV
12
18
dB
Horizontal AFC DC Loop Gain
IAFC
±0.85
±1.6
mA
Horizontal Free-running Frequency
fH
fH center 15.734kHz
750
Hz
Horizontal OSC Start Voltage
fH.st
4.0
V
Increased/Reduced Voltage
Characteristic of Horizontal Frequency
ΔH.V
V11 = 12±1V, 15.734kHz at 12V
50
Hz
Horizontal OSC Warm-up Drift
ΔfH
5s. to 30min. after application of power
50
Hz
Temperature Characteristic of
Horizontal Frequency
Ta =
10 to +60°C
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
%/V
Temperature Characteristic of
Phase Shifter Delay Time
Ta =
10 to +60°C
0.1
%/
°C
Increased/Reduced Voltage
Characteristic of Phase Shifter
Pulse Width
V11 = 12±1V
1.0
%/V
Temperature Characteristic of
Phase Shifter Pulse Width
Ta =
10 to +60°C
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
%/V
Temperature Characteristic of
AFC Phase Comparison Center Time
Ta =
10 to +60°C
0.2
%/
°C
Comparison Waveform Generating
Input Operation Voltage
V5
0.65
0.95
V
Pin 13 Voltage at Hold-down
Operation Start
V14
0.55
0.85
V
Correspondence with the Existing IC Series
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