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參數(shù)資料
| 型號(hào)： | 80-0276-F |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | System Level ESD Mitigation |
| 中文描述： | 系統(tǒng)級(jí)靜電緩解 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 63K |
| 代理商： | 80-0276-F |
System Level ESD Mitigation
Design Note
2
P/N 80-0276-F
2006 Sensory Inc.
Vdd
D2*
1N4148
SW1
USER_RESET
R1
100K
D1
1N4148
C4
.1
R2* 10K
* Add for ESD protection
-RESET
RSC4000/4128
Figure 2 – Reset ESD protection
5. (Desirable) Put 100 ohm series resistors on output pins if they travel to the outside or travel long distances
(with the exception of PWM pins). If adding 100 ohm series resistance causes the signal to slow or degrade
unacceptably, decrease the resistance or use an optoisolator or some other higher speed ESD protection
instead.
6. (Desirable) Put a 0.1uF capacitor across the supply pins on the board (not to be confused with decoupling
capacitors, which should be as close to IC's as possible.)
7. (Desirable) Put clamp diodes (such as1N4148) PWM as shown in Figure 2:
Vdd
Vdd
LS1
SPEAKER
D1
1N4148
D2
1N4148
D1
1N4148
D2
1N4148
PWM0
PWM1
Figure 3 - PWM ESD Protection
8. (Desirable) Put a clamp diode (such as1N4148) reverse biased across any power supply.
9. (Desirable) Put a high-frequency 1 kV capacitor between each power pin and chassis ground close to the
electronics.
10. (Desirable) If a battery enclosure is used, put a 0.1uF capacitor across the supply as close to the battery
connection as possible.
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