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參數(shù)資料
| 型號(hào)： | LA76832N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC I2C Bus Control IC |
| 中文描述： | 單片線性集成電路I2C總線控制IC |
| 文件頁數(shù)： | 21/39頁 |
| 文件大?。?/td> | 398K |
| 代理商： | LA76832N |
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LA76832N
No.0069-21/39
Deflection Block Input Signals and Test Conditions
Unless otherwise specified, the following conditions apply when each measurement is made.
1. VIF, SIF blocks : No signal
2. C input : No signal
3. Sync input : A horizontal/vertical composite sync signal
PAL
: 43IRE, horizontal sync signal (15.625kHz) and vertical sync signal (50kHz)
NTSC : 40IRE, horizontal sync signal (15.734264kHz) and vertical sync signal (59.94kHz)
Note : No burst signal, chroma signal shall exist below the pedestal level.
4. Bus control conditions : Initial conditions unless otherwise specified.
5. The delay time from the rise of the horizontal output (pin 27 output) to the fall of the FBP IN (pin 28 input) is 9
μ
s.
6. Pin 13 (vertical size correction circuit input terminal) is connected to VCC (5.0V).
Test
point
signal
[Deflection block]
Parameter
Symbol
Input
Test method
Bus conditions
Horizontal free-running
frequency
fH
27
Y IN :
No signal
Connect a frequency counter to the output of
pin 27 (H out) and measure the horizontal
free-running frequency.
Using an oscilloscope, monitor the horizontal
sync signal which is input to the Y IN (pin 42)
and the pin 27 output (H out) and vary the
horizontal signal frequency to measure the
pull-in range.
Measure the voltage for the pin 27 horizontal
output pulse’s low-level period.
Horizontal pull-in range
fH PULL
42
Y IN :
Horizontal
/vertical sync
signal
PAL
Y IN :
Horizontal
/vertical sync
signal
PAL
Y IN :
Horizontal
/vertical sync
signal
PAL
Horizontal output pulse
length
Hduty
27
Horizontal output pulse
saturation voltage
V Hsat
27
Measure the voltage for the pin 27 horizontal
output pulse’s low-level period.
Continued on next page.
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