DATASHEET
ISL43110, ISL43111
Low-Voltage, Single Supply, SPST, High Performance Analog Switches
FN6028
Rev 4.00
June 27, 2014
The Intersil ISL43110 and ISL43111 are precision, high
Features
performance analog switches that are fully specified for 3.3V,
5V, and 12V operation, and feature improved leakage, ICC and
switching time specifications.
• Fully specified at 3.3V, 5V, and 12V supplies
• Available in SOT-23 packaging
• Single supply operation . . . . . . . . . . . . . . . . . . . . . . +2.4V to +12V
Designed to operate from a single +2.4V to +12V supply, the low
supply current (1µA Max over-temperature and voltage ranges)
and low leakage currents (1nA) make these switches ideal for
battery powered applications.
• ON-Resistance (r max) . . . . . . . . . . . . . . . . . 20 (V+ = 5V)
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 (V+ = 12V)
• r flatness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
ON
Low r and fast switching speeds over a wide operating supply
ON
• Charge injection (max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10pC
range increase these devices usefulness in industrial
equipment, portable instruments, and as input signal
multiplexers for new generation, low supply voltage data
converters. 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 max) . . . . . . . . . . . . . . . . . . . . .5µW
D
• Low leakage current (max at +85°C) . . 10nA (Off Leakage)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20nA (On Leakage)
• Fast switching action
- t (max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80ns
ON
The ISL43110 and ISL43111 are single-pole/single-throw
(SPST) switches, with the ISL43110 being normally open (NO),
and the ISL43111 being normally closed (NC).
- t
OFF
(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ns
• Minimum 2kV ESD protection per method 3015.7
• TTL, CMOS compatible
Table 1 summarizes the performance of this family. For similar
performance ±5V supply versions, see the ISL43112 and
ISL43113 data sheets.
• Pb-free (RoHS compliant)
Applications
TABLE 1. FEATURES AT A GLANCE
• Battery powered, handheld, and portable equipment
- Cellular/mobile phones, pagers
ISL43110
ISL43111
1
Number of Switches
Configuration
1
- Laptops, notebooks, palmtops, PDAs
NO
15Ω
NC
• Communications systems
- Radios
3.3V r
ON
15Ω
- PBX, PABX
3.3V t / t
ON OFF
55ns/28ns
11Ω
55ns/28ns
11Ω
• Test equipment
5V r
ON
- Logic and spectrum analyzers
- Portable meters, DVM, DMM
5V t /t
ON OFF
45ns/20ns
7Ω
45ns/20ns
7Ω
12V r
ON
• Medical equipment
12V t /t
ON OFF
37ns/21ns
37ns/21ns
- Ultrasound, MRI, CAT SCAN
- Electrocardiograph, blood analyzer
Packages
8 Ld SOIC, 5 Ld SOT-23
• Heads-up displays
Related Literature
• Audio and video switching
• Tech Brief TB363 “Guidelines for Handling and Processing
Moisture Sensitive Surface Mount Devices (SMDs)”
• General purpose circuits
- +3V/+5V DACs and ADCs
- Sample and hold circuits
- Digital filters
- Operational amplifier gain switching networks
- High frequency analog switching
- High speed multiplexing
- Integrator reset circuits
FN6028 Rev 4.00
June 27, 2014
Page 1 of 12
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