參數(shù)資料
型號(hào)： TA1276AF
元件分類： 消費(fèi)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)： 38/83頁
文件大小： 1585K
代理商： TA1276AF
TA1276AF
2002-01-29
43
Test Conditions (unless otherwise stated, VCC1 = 5 V, VCC2/VCC3/DEF VCC = 9 V, Ta = 25 ± 3°C)
Switching Mode
Note
Parameter
SW15
SW49
SW50
SW53
Test Conditions
V11
DC Transmission
Compensation Limit Point
C
ON
B
C
1)
Set the BUS control data to the preset value.
2)
Turn the Y mute off (1), turn the video mute off (0), and with the unicolor set at maximum (1111111), connect pin 3 to
an external power supply (PS).
3)
Set the DC transmission compensation rate to the maximum (111).
4)
Increase the PS from 5 V, observe pin 11, and plot the DC transmission compensation rate.
5)
Repeat 4) above but change the DC transmission compensation limit point data. Calculate PDTL60, PDTL73, PDTL87,
and PDTL100 from the measured data and the following formulas.
PDTL60 = ((VL60 V49)/1.0) × 100 [%]
PDTL73 = ((VL73 V49)/1.0) × 100 [%]
PDTL87 = ((VL87 V49)/1.0) × 100 [%]
PDTL100 = ((VL100 V49)/1.0) × 100 [%]
Pin
VL100
Pin
100% (00)
VL73
VL87
VL60
87% (01)
73% (10)
60% (11)
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