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參數資料
| 型號： | ADM8845ACPZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 20-21 (9 Contact) Pin Insert; For Use With:Amphenol MIL-C-5015 97 Series Circular Connectors; No. of Contacts:9; Gender:Male; Operating Voltage:700V |
| 中文描述： | LED DISPLAY DRIVER, QCC16 |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, MO-220VEED-2, LFCSP-16 |
| 文件頁數： | 6/18頁 |
| 文件大小： | 341K |
| 代理商： | ADM8845ACPZ-REEL7 |
ADM8845
Preliminary Technical Data
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. PrJ 06/04 | Page 6 of 18
5
10
15
20
25
30
35
4.75
6.75
8.75
10.75
12.75
14.75
Rset (kohm)
L
Figure 4. LED Current vs. R
SET
Resistor
20
20.05
20.1
20.15
20.2
20.25
20.3
20.35
2.6
3.1
3.6
4.1
4.6
5.1
Supply Voltage (V)
L
25'C
-40'C
85'C
Figure 6. LED Current (mA) vs. Temperature (°C), 6 LEDs enabled.
-0.300
-0.200
-0.100
0.000
0.100
0.200
0.300
-40
-20
0
25
45
65
85
Temperature
%
Figure 8. I
LED
Matching (%) over Temperature (°C), with Vcc = 3.6,
I
LED
= 20mA , 6 LEDs enabled.
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
2.6
3
3.4
3.8
4.2
4.6
5
5.4
Supply Voltage (V)
M
Max Positive Matching Error
Max Negative Matching Error
Figure 5. LED Current Matching Error (%) vs. Supply Voltage (V),
T
A
= 25°C and I
LED
= 20mA
20.08
20.1
20.12
20.14
20.16
20.18
20.2
20.22
20.24
-40
0
40
80
Temperature ('C)
L
Figure 7. I
LED
(mA) Variation over Temperature (°C), with Vcc = 3.6V
5
10
15
20
25
30
35
2.6
3
3.4
3.8
4.2
4.6
5
5.4
Supply Voltage (V)
L
Figure 9. LED Current (mA) vs. Supply Voltage (V)
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