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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)： | 49/83頁 |
| 文件大?。?/td> | 1585K |
| 代理商： | TA1276AF |
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TA1276AF
2002-01-29
53
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
T11
Drive Adjustment Variable
Range
↑
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 13 when the drive
(subaddress-09) data are changed to maximum (FE), center (80), and
minimum (00).
3)
Calculate the maximum and minimum amplitude ratios for the drive center
using decibel conversion. (DRG
+, DRG)
4)
In steps 1) to 3) above, change the subaddress (0A) data, measure pin 15,
and repeat the calculations. (DRB
+, DRB)
5)
In steps 1) to 3) above, set data of the LSB of subaddress (09) to 1,
measure pin 11, and repeat the calculations. (DRR
+, DRR)
T12
Output Voltage During Muting
↑
C
1)
Set the subaddress (00) data to (FF).
2)
Measure the picture period voltages of pins 11, 13, and 15. (MURD,
MUGD, MUBD)
T13
Output Voltage at Blue Back
↑
1)
Set the subaddress (10) data to (08).
2)
Measure the picture period voltages of pins 11 and 13 and the picture
period amplitude of pin 15. (BBR, BBG, BBB)
T14
ACL Characteristics
A
B
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 11 (vACL1).
3)
Measure the picture period amplitude of pin 11 when
0.5 V DC is applied
to pin 8 from an external power supply. (vACL2)
4)
Measure the picture period amplitude of pin 11 when
1 V DC is applied to
pin 8 from an external power supply. (vACL3)
5)
ACL1
= 20 × og (vACL2/vACL1)
ACL2
= 20 × og (vACL3/vACL1)
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