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SP721ABP

更新时间： 2024-11-25 12:15:07
品牌 Logo 应用领域
力特 - LITTELFUSE 二极管
页数 文件大小 规格书
6页 689K
描述
SP721 Series 3pF 4kV Diode Array

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中文翻译

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SP721ABP 数据手册

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TVS Diode Arrays (SPA® Diodes)  
General Purpose ESD Protection - SP721 Series  
RoHS  
GREEN  
Pb  
SP721 Series 3pF 4kV Diode Array  
Description  
The SP721 is an array of SCR/Diode bipolar structures for  
ESD and over-voltage protection to sensitive input circuits.  
The SP721 has 2 protection SCR/Diode device structures  
per input. There are a total of 6 available inputs that can be  
used to protect up to 6 external signal or bus lines. Over-  
voltage protection is from the IN (Pins 1 - 3 and Pins 5 - 7)  
to V+ or V-.  
The SCR structures are designed for fast triggering at a  
threshold of one +VBE diode threshold above V+ (Pin 8) or  
a -VBE diode threshold below V- (Pin 4). From an IN input,  
a clamp to V+ is activated if a transient pulse causes the  
input to be increased to a voltage level greater than one  
VBE above V+. A similar clamp to V- is activated if a negative  
Pinout  
pulse, one VBE less than V-, is applied to an IN input.  
Standard ESD Human Body Model (HBM) Capability is:  
IN  
IN  
IN  
V-  
1
2
3
4
8
7
6
5
V+  
IN  
IN  
IN  
SP721 (PDIP, SOIC)  
TOP VIEW  
Features  
• ESD Interface Capability for HBM Standards  
- MIL STD 3015.7.................................................15kV  
- IEC 61000-4-2, Direct Discharge,  
- Single Input .......................................... 4kV (Level 2)  
-Two Inputs in Parallel ............................ 8kV (Level 4)  
- IEC 61000-4-2, Air Discharge...............15kV (Level 4)  
• High Peak Current Capability  
Functional Block Diagram  
V+  
IN  
V-  
8
1
4
- IEC 61000-4-5 (8/20µs)....................................... 3A  
- Single Pulse, 100µs Pulse Width........................ 2A  
- Single Pulse, 4µs Pulse Width............................ 5A  
• Designed to Provide Over-Voltage Protection  
- Single-Ended Voltage Range to ........................ +30V  
- Differential Voltage Range to ............................ 15V  
• Fast Switching.............................................2ns RiseTime  
• Low Input Leakages............................1nA at 25ºCTypical  
• Low Input Capacitance.....................................3pFTypical  
• An Array of 6 SCR/Diode Pairs  
3, 5-7  
IN  
2
IN  
• OperatingTemperature Range....................-40ºC to 105ºC  
Additional Information  
Applications  
• Microprocessor/Logic  
Input Protection  
• Analog Device Input  
Protection  
• Data Bus Protection  
• Voltage Clamp  
Resources  
Datasheet  
Samples  
© 2013 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 04/24/13  
123456

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