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ISL43122 PDF预览

ISL43122

更新时间： 2024-11-23 22:47:59
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英特矽尔 - INTERSIL 开关光电二极管
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描述
Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches

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ISL43122 数据手册

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ISL43120, ISL43121, ISL43122, ISL43210  
®
Data Sheet  
June 2003  
FN6033.1  
Low-Voltage, Single Supply, Dual SPST,  
SPDT Analog Switches  
Features  
• Fully specified at 12V, 5V, and 3.3V supplies for 10%  
tolerances  
The Intersil ISL43120, ISL43121, ISL43122 and ISL43210  
devices are precision, bidirectional, dual analog switches  
designed to operate from a single +2.7V to +12V supply.  
Targeted applications include battery powered equipment that  
benefit from the devices’ low power consumption (5µW), low  
leakage currents (100pA max), and fast switching speeds  
• ON resistance (R ) . . . . . . . . . . . . . . . . . . . . . . . . . 19Ω  
ON  
• R  
ON  
matching between channels . . . . . . . . . . . . . . . . . .<1Ω  
• Low charge injection. . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)  
• Single supply operation . . . . . . . . . . . . . . . . . +2.7V to +12V  
(t  
= 28ns, t = 20ns). Cell phones, for example, often  
ON  
OFF  
face ASIC functionality limitations. The number of analog  
input or GPIO pins may be limited and digital geometries are  
not well suited to analog switch performance. This family of  
parts may be used to “mux-in” additional functionality while  
reducing ASIC design risk. Some of the smallest packages  
are available, alleviating board space limitations, and making  
Intersil’s newest line of low-voltage switches an ideal solution.  
• Low power consumption (P ) . . . . . . . . . . . . . . . . . . . .<5µW  
D
• Low leakage current. . . . . . . . . . . . . . . . . . . . . . . . . 10nA  
• Fast switching action  
- t  
- t  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28ns  
ON  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20ns  
OFF  
• Guaranteed break-before-make (ISL43122/ISL43210  
only)  
The ISL43120, ISL43121, ISL43122 are dual single-  
pole/single-throw (SPST) devices. The ISL43120 has two  
normally open (NO) switches; the ISL43121 has two normally  
closed (NC) switches; the ISL43122 has one NO and one NC  
switch and can be used as an SPDT. The ISL43210 is a  
committed SPDT, which is perfect for use in 2-to-1 multiplexer  
applications.  
• Minimum 2000V ESD protection per method 3015.7  
• TTL, CMOS compatible  
• Available in SOT-23 packaging  
Applications  
• Battery powered, handheld, and portable equipment  
- Cellular/mobile phones  
TABLE 1. FEATURES AT A GLANCE  
ISL43120 ISL43121 ISL43122 ISL43210  
- Pagers  
Number of  
Switches  
2
2
2
1
- Laptops, notebooks, palmtops  
• Communications systems  
- Radios, ADSL Modems  
- PBX, PABX  
NO/NO  
32Ω  
NC/NC  
32Ω  
NO/NC  
32Ω  
SPDT or  
2 x 1 MUX  
SW 1 / SW 2  
3.3V R  
ON  
32Ω  
• Test & measurement equipment  
- Ultrasound  
3.3V t /t  
ON OFF  
40ns/20ns 40ns/20ns 40ns/20ns 40ns /20ns  
19Ω 19Ω 19Ω 19Ω  
28ns/20ns 28ns/20ns 28ns/20ns 28ns/20ns  
11Ω 11Ω 11Ω 11Ω  
25ns/17ns 25ns/17ns 25ns/17ns 25ns/17ns  
8 Ld SOT-23 6 Ld SOT-23  
5V R  
ON  
- Computerized Tomography (CT) Scanner  
- Magnetic Resonance Image (MRI)  
- Position Emission Tomography (PET) Scanner  
- Electrocardiograph  
5V t /t  
ON OFF  
12V R  
ON  
12V t /t  
ON OFF  
• Heads-up displays  
Packages  
• Audio and video switching  
Related Literature  
• Various circuits  
• Technical Brief TB363 “Guidelines for Handling and  
Processing Moisture Sensitive Surface Mount Devices  
(SMDs)”  
- +3V/+5V DACs and ADCs  
- Sample and hold circuits  
- Digital filters  
• Application Note AN557 “Recommended Test Procedures  
for Analog Switches”  
- Operational amplifier gain switching networks  
- High frequency analog switching  
- High speed multiplexing  
- Integrator reset circuits  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2003. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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