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ISL43L420 Datasheet(PDF) 1 Page - Intersil Corporation

Part No. ISL43L420
Description  Ultra Low ON-Resistance, 1.1V to 4.5V Single Supply, Quad SPDT (Dual DPDT) Analog Switch
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL43L420 Datasheet(HTML) 1 Page - Intersil Corporation

 
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1
®
FN6098.1
ISL43L420
Ultra Low ON-Resistance, +1.1V to +4.5V
Single Supply, Quad SPDT (Dual DPDT)
Analog Switch
The Intersil ISL43L420 device is a low ON-resistance, low
voltage, bidirectional, Quad SPDT (Dual DPDT) analog
switch designed to operate from a single +1.1V to +4.5V
supply. Targeted applications include battery-powered
equipment that benefit from low RON (0.24Ω) and fast
switching speeds (tON =8ns, tOFF = 5ns). The digital logic
input is 1.8V logic-compatible when using a single +3V supply.
Cell phones, for example, often 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 part may be used to “mux-in”
additional functionality while reducing ASIC design risk. The
ISL43L420 is offered in a small form factor package,
alleviating board space limitations.
The ISL43L420 is a committed Quad SPDT that consists of
four normally open (NO) and four normally (NC) switches.
This configuration can also be used as a diff dual 2-to-1
multiplexer/demultiplexer or a dual 2-to1
multiplexer/demultiplexer. The ISL43L420 is pin compatible
with the STG3699.
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Application Note AN557 “Recommended Test Procedures
for Analog Switches”
Features
• Drop in Replacement for the STG3699
• ON Resistance (RON)
- V+ = +4.3V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.24
- V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.26
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45
•RON Matching between Channels. . . . . . . . . . . . . . . . .0.05Ω
•RON Flatness Across Signal Range . . . . . . . . . . . . . . .0.05Ω
• Single Supply Operation. . . . . . . . . . . . . . . . . +1.1V to +4.5V
• Low Power Consumption (PD). . . . . . . . . . . . . . . . . . <0.2µW
• Fast Switching Action (V+ = +4.3V)
-tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8ns
-tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5ns
• Guaranteed Break-Before-Make
• 1.8V Logic Compatible (+3V supply)
• Available in 16 lead 3x3 QFN
• ESD HBM Rating
- COM Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9kV
- All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kV
• Pb-Free Available as an Option (see Ordering Info)
Applications
• Battery Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching
TABLE 1. FEATURES AT A GLANCE
ISL43L420
Number of Switches
4
SW
Quad SPDT (Dual DPDT)
4.3V RON
0.24
4.3V tON/tOFF
8ns/5ns
3.0V RON
0.26
3.0V tON/tOFF
10ns/7ns
1.8V RON
0.45
1.8V tON/tOFF
18ns/10ns
Packages
16 Ld 3x3 QFN
Data Sheet
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
February 18, 2005


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