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)： 48/83頁
文件大?。?/td> 1585K
代理商： TA1276AF
TA1276AF
2002-01-29
52
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
T7
Half Tone Characteristics
↑
A
1)
Input signal 1 (f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) to pin 78.
2)
Measure the picture period amplitude of pin 15 (V41A).
3)
Apply 1.5 V from an external power supply to pin 6.
4)
Measure the picture period amplitude of pin 15 (V41B).
5)
GHT1 = V41B/V41A
6)
Halt the voltage applied to pin 6, set the subaddress (03) data to (81), and
measure the picture period amplitude of pin 15 (V41C).
7)
GHT2 = V41C/V41A
T8
BLK Pulse Delay Time
↑
C
1)
Calculate tdON, tdOFF from the signal applied to pin 25 (H.BLK input) (A
below) and the output signals from pins 11, 13, and 15 (B below).
(A) Signal applied to pin 25
(B) Output signals from pins
11, 13, 15
T9
RGB Output Voltage
↑
1)
Measure the picture period voltages for pins 11, 13, and 15.
T10
Cutoff Voltage Variable
Range
A
B
C
1)
Set the subaddress (17) data to (07).
2)
Measure the picture period voltage of pin 11 when the cutoff (subaddress
0C) data are changed to maximum (FF), center (80), and minimum (00),
and calculate the amount of change of maximum and minimum from the
center. (CUT
+, CUT).
3)
In steps 1) and 2) above, make the following changes and remeasure:
Change the subaddress (0D) data and measure pin 13,
Change the subaddress (0E) data and measure pin 15.
63.5
s
tdON
tdOFF
t
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