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參數(shù)資料
| 型號(hào)： | HDSP-2530 |
| 英文描述： | Eight Character 5 mm Smart Alphanumeric Display(八字符5 mm 智能文字?jǐn)?shù)字顯示器) |
| 中文描述： | 八字5毫米智能字母數(shù)字顯示器（八字符5毫米智能文字?jǐn)?shù)字顯示器） |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 410K |
| 代理商： | HDSP-2530 |
14
I
DD
(V) = (54 x V
DD
-0.6 x T
J
) x B
x N/8
I
DD
(#) is the supply current
using “#” as the displayed
character.
I
DD
(V) is the supply current using
“V” as the displayed character.
T
J
is the IC junction temperature.
B is the percent brightness level.
N is the number of characters
illuminated.
Operation in high temperature
ambients may require power
derating or heatsinking. Figure 10
shows how to derate the power
for an HDSP-253X. You can
reduce the power by tighter
supply voltage regulation or
lowering the brightness level.
Table 3 shows the calculated
maximum allowable ambient
temperature for several different
sets of operating conditions. The
worst case alphanumeric
characters (#,@,B) have 20
pixels. Displaying eight 20-pixel
characters will not occur in
normal operation. Thus, using
eight 20-pixel characters to
calculate power dissipation will
over estimate the power and the
IC junction temperature. The
average number of pixels per
character, supply voltage,
brightness level, and number of
characters are needed to calculate
the power dissipated by the IC.
The ambient temperature, power
dissipated by the IC, and the
thermal resistance are then used
to calculate IC junction tempera-
ture. The typical alphanumeric
character is 15 pixels. For
conditions not listed in Table 3,
you can calculate the power
dissipated by the IC and use
Figure 10 to determine the
maximum ambient temperature.
Table 3. Maximum Allowable Ambient Temperature for Various Operating Conditions
AlGaAs Red
Number of
Characters
Brightness
Level
V
DD
V
I
DD
mA
P
D
W
R
θ
J-A
°
C/W
39
T
A
MAX
°
C
64
Character
# (20 dots)
8
100%
5.5
408
2.2
# (20 dots)
8
100%
5.25
387
2.0
39
72
# (20 dots)
8
100%
5.0
366
1.8
39
80
# (20 dots)
7
100%
5.5
357
2.0
39
72
# (20 dots)
6
100%
5.5
306
1.7
39
84
# (20 dots)
8
80%
5.5
327
1.8
39
80
# (20 dots)
8
80%
5.25
310
1.6
39
85
# (20 dots)
8
53%
5.5
216
1.2
39
85
V (12 dots)
8
100%
5.5
228
1.3
39
85
Figure 10. Maximum Allowable
Power Dissipation vs. Ambient
Temperature. T
J
MAX = 150
°
C or
120
°
C.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HDSP-253X | Eight Character 5 mm Smart Alphanumeric Display |
| HDSP-303Y | 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器) |
| HDSP-301G | 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器) |
| HDSP-301Y | 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器) |
| HDSP-303A | 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HDSP-2531 | 功能描述:LED 顯示器和配件 Yellow 585nm 5x7 Smart Display RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| HDSP-2532 | 功能描述:LED 顯示器和配件 Red 626nm 5x7 Smart Display RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| HDSP-2533 | 功能描述:LED 顯示器和配件 Green 574nm 5x7 Smart Display RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| HDSP2533 | 制造商:Avago Technologies 功能描述:LED DISPLAY ALPHANUMERIC |
| HDSP-2533 | 制造商:Avago Technologies 功能描述:SEGMENTED ALPHANuMERIC LED COLOR:GREEN |
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