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參數(shù)資料
| 型號(hào)： | LA7890 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | RGB Cutoff Adjustment IC(直流控制，CRT顯示的RGB截止可調(diào)芯片) |
| 中文描述： | 截止調(diào)整集成電路的RGB（直流控制，陰極射線管顯示的截止可調(diào)芯片的RGB） |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 40K |
| 代理商： | LA7890 |
Operating Characteristics
at Ta = 25°C, V
CC
= 80 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain
I
CC
When 6 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
Reference value
Reference value
1.9
2.2
2.7
mA
Minimum reference voltage
Maximum reference voltage
V
REF
min
V
REF
max
V
OUT
min (R)
V
OUT
min (G)
V
OUT
min (B)
V
OUT
max (R)
V
OUT
max (G)
V
OUT
max (B)
V
OUT
high (R)
V
OUT
high (G)
V
OUT
high (B)
V
OUT
mid (R)
V
OUT
mid (G)
V
OUT
mid (B)
V
OUT
low (R)
V
OUT
low (G)
V
OUT
low (B)
0
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
75
0.3
0.3
0.3
Minimum output voltage
When 12 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
Maximum output voltage
When 0 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
77
77
77
67
67
67
37
37
37
7
7
High-level output voltage
When 3 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
69
69
69
39
39
39
9
9
71
71
71
41
41
41
11
11
11
Mid-level output voltage
When 6 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
Low-level output voltage
When 9 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
7
9
Internal Equivalent Circuit Block Diagram
Test Circuit
LA7890
No.4957-2/3
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