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參數(shù)資料
| 型號： | TA1276AF |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 51/83頁 |
| 文件大?。?/td> | 1585K |
| 代理商： | TA1276AF |
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TA1276AF
2002-01-29
55
Test Conditions (unless otherwise stated, VCC1 = 5 V, VCC2/VCC3/DEF VCC = 9 V, Ta = 25 ± 3°C)
Switching Mode
Note
Parameter
SW33
SW34
SW35
SW37
SW38
SW39
SW51
SW52
SW53
Test Conditions
T18
ACB Insertion Pulse Phase
and Amplitude
A
B
A
or
C
1)
Input signal 1 (f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) to pin 78
and adjust the drive adjustment data so that the picture period amplitudes
of pins 13 and 15 are equal to that of pin 11.
2)
Set SW53 to C.
3)
Measure the voltages of pins 31, 32, and 74. From an external power
supply, apply the measured voltages to these pins.
4)
Set subaddress (15) data to (D2).
5)
From pins 11, 13, and 15, calculate the phase of the ACB insertion pulse
in accordance with Figure 1 below.
Note 5: After the completion of V.BLK, the video period following the falling
edge of the FBP input is regarded as 1H and the periods at each
completion of H.BLK are counted as 2H, 3H, 4H .
6)
Measure the ACB insertion pulse amplitude (the level from the picture
period amplitude at no input) of pins 11, 13, and 15.
V.BLK period
1H
ACB insertion pulse amplitude
2H
3H
4H
Figure 2
RGB Output
Figure 3
FBP Input (No.38)
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