參數(shù)資料
型號： 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)： 54/83頁
文件大?。?/td> 1585K
代理商： TA1276AF
TA1276AF
2002-01-29
58
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
T24
Analog RGB
Brightness Adjustment
Characteristics
A
or
B
A
or
B
A
or
B
↑
1)
Repeat step 1) of T20.
2)
Input signal 2 to pins 22, 24, and 25.
3)
Apply 5 V from an external power supply to pin 27.
4)
Adjust the signal 2 amplitude A so that the picture period amplitude of pin
11 is 0.5 Vp-p.
5)
Measure the picture period voltage of pins 11, 13, and 15 when the RGB
brightness change to the maximum (7F), the center (40), and the minimum
(00).
(VbrTXMAX, VbrTXCNT, VbrTXMIN)
T25
Analog RGB Brightness
Sensitivity
↑
1)
Using the results obtained from T24, calculate the RGB brightness
sensitivity for pins 11, 13, and 15.
2)
GbrTX
= (VbrTXMAX VbrTXMIN)/128
T26
Text ACL Characteristics
A
B
A
B
A
1)
Repeat step 1) of T20.
2)
Apply 5 V from an external power supply to pin 27.
3)
Input signal 1 (f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) to pin 22.
4)
Measure the picture period amplitude of pin 11. (vTXACL1)
5)
Measure the picture period amplitude of pin 11 when
0.5 V DC is applied
to pin 8 from an external source. (vTXACL2)
6)
Measure the picture period amplitude of pin 11 when
1 V DC is applied to
pin 8 from an external source. (vTXACL3)
7)
TXACL1
= 20 × og (vTXACL2/vTXACL1)
TXACL2
= 20 × og (vTXACL3/vTXACL1)
8)
Set the subaddress (10) data to (01) and repeat the calculations in steps
5) and 6). (TXACL3, TXACL4)
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