參數(shù)資料
型號： TB1230AN
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56
文件頁數(shù)： 49/90頁
文件大?。?/td> 1333K
代理商： TB1230AN
TB1230AN
2001-09-04
53
DEF SECTION
TEST CONDITION
Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin 51 input video signal = 50 system
(Note) “×” in the data column represents preset value at power ON.
NOTE
ITEM
SUB-ADDRESS & BUS DATA
MEASURING METHOD
DH1
H. Reference
Frequency
Sub 02H
0
1
(1)
Supply 5V to pin 26.
(2)
Set bus data as indicated on the left.
(3)
Measure the frequency of sync. output of pin 49.
DH2
H. Reference
Oscillation Start
Voltage
Sub 02H
0
1
In the test condition of the Note DH1, turning down the voltage supplied to pin 26 from 5V, measure
the voltage when oscillation of pin 49 stops.
DH3
H. Output
Frequency 1
Sub 10H
×
0
1
(1)
Set bus data as indicated on the left.
(2)
In the condition of the above step 1, measure frequency (TH1) at pin 4.
DH4
H. Output
Frequency 2
Sub 10H
×
1
0
(1)
Set the input video signal of pin 51 to the 60 system.
(2)
Set bus data as indicated on the left.
(3)
In the above-mentioned condition, measure frequency (TH2) at pin 4.
DH5
H. Output Duty 1
―
(1)
Supply 4.5V DC to pin 5 (or, make pin 5 open-circuited).
(2)
Measure duty of pin 4 output.
DH6
H. Output Duty 2
―
(1)
Make a short circuit between pin 5 and ground.
(2)
Measure duty of pin 4 output.
DH7
H. Output Duty
Switching Voltage
―
Supply 2V DC to pin 5. While turning down the voltage from 2V, measure voltage when the output duty
ratio becomes 41 to 37%.
DH8
H. Output Voltage
―
Measure the low voltage and high voltage of pin 4 output whose waveform is shown below.
DH9
H. Output
Oscillation Start
Voltage
―
While raising H. VCC (pin 3) from 0V, measure voltage when pin 4 starts oscillation.
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