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參數資料
| 型號： | SAA1064 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | LED驅動器 |
| 英文描述： | 4-digit LED-driver with I2C-bus interface |
| 封裝： | SAA1064/N2<SOT101-1 (DIP24)|<<http://www.nxp.com/packages/SOT101-1.html<1<Always Pb-free,;SAA1064T/N2<SOT137-1 (SO24)|<<http://www.nxp.com/packages/SOT137-1.html<1< |
| 文件頁數： | 14/19頁 |
| 文件大小： | 122K |
| 代理商： | SAA1064 |
February 1991
14
Philips Semiconductors
Product specification
4-digit LED-driver with I
2
C-Bus interface
SAA1064
POWER DISSIPATION
The total maximum power dissipation of the SAA1064 is made up by the following parts:
1.
Maximum dissipation when none of the outputs are programmed (continuous line in Fig.7).
2.
Maximum dissipation of each programmed output. The dashed line in Fig.7 visualises the dissipation when
all
the
segments are programmed (max. 16 in the static, and max. 32 in the dynamic mode). When less segments are
programmed one should take a proportional part of the maximum value.
3.
Maximum dissipation of the programmed segment drivers which can be expressed as:
P
add
= V
O
×
I
O
×
N.
Under no conditions the total maximum dissipation (500 mW for the SO and 1000 mW for the DIL package) should be
exceeded.
Where:
P
add
=
V
O
I
O
N
The additional power dissipation of the segment drivers
The low state segment driver output voltage
The programmed segment output current
The number of programmed segments in the static mode, or half the number of
programmed segment drivers in the dynamic mode.
=
=
=
Example:
V
CC
=
=
=
5 V
0.25 V
12 mA
V
O
I
O
24 programmed segments in dynamic mode
P
tot
=
P
1
+ P
2
+ P
3
=
75 mW + (50 * 24/32) mW
+
(0.25 * 12.10
3
* 12) mW
=
148.5 mW
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相關代理商/技術參數 |
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|---|---|
| SAA1064/N2 | 制造商:NXP Semiconductors 功能描述:IC LED DRIVER 4DGT I2C 24DIP 制造商:NXP Semiconductors 功能描述:IC, LED DRIVER, 4DGT, I2C, 24DIP |
| SAA1064/N2,112 | 功能描述:LED顯示驅動器 LED DRVR 4DGT W/I2C RoHS:否 制造商:Micrel 數位數量:5 片段數量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| SAA1064/N2112 | 制造商:NXP Semiconductors 功能描述:SAA1064/DIP24/TUBE-BULK//N2 |
| SAA1064N | 制造商:NXP Semiconductors 功能描述: |
| SAA1064N2 | 制造商:NXP Semiconductors 功能描述:4 digit LED display driver IC,SAA1064N2 |
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