ISL5120, ISL5121, ISL5122, ISL5123
TM
Data Sheet
January 2002
FN6022.1
Low-Voltage, Single Supply, Dual SPST,
SPDT Analog Switches
The Intersil ISL5120鈥揑SL5123 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 bene鏗乼 from the devices鈥?low
power consumption (5碌W), low leakage currents (100pA
max), and fast switching speeds (t
ON
= 28ns, t
OFF
= 20ns).
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 family of parts may be used to 鈥渕ux-
in鈥?additional functionality while reducing ASIC design risk.
Some of the smallest packages are available, alleviating
board space limitations, and making Intersil鈥檚 newest line of
low-voltage switches an ideal solution.
The ISL5120/ISL5121/ISL5122 are dual single-pole/single-
throw (SPST) devices. The ISL5120 has two normally open
(NO) switches; the ISL5121 has two normally closed (NC)
switches; the ISL5122 has one NO and one NC switch and
can be used as an SPDT. The ISL5123 is a committed SPDT,
which is perfect for use in 2-to-1 multiplexer applications.
TABLE 1. SUMMARY OF FEATURES
ISL5120
Number of
Switches
SW 1 / SW 2
3.3V R
ON
3.3V t
ON
/ t
OFF
5V R
ON
5V t
ON
/ t
OFF
12V R
ON
12V t
ON
/ t
OFF
Packages
2
NO / NO
32
鈩?/div>
40ns
/20ns
19
鈩?/div>
28ns /
20ns
11
鈩?/div>
25ns /
17ns
ISL5121
2
NC / NC
32
鈩?/div>
40ns
/20ns
19
鈩?/div>
28ns /
20ns
11
鈩?/div>
25ns /
17ns
8 Ld SOIC,
8 Ld SOT-23
ISL5122
2
NO / NC
32
鈩?/div>
40ns
/20ns
19
鈩?/div>
28ns /
20ns
11
鈩?/div>
25ns /
17ns
ISL5123
1
SPDT
32
鈩?/div>
40ns /20ns
19
鈩?/div>
28ns / 20ns
11
鈩?/div>
25ns / 17ns
8 Ld SOIC,
6 Ld SOT-23
Features
鈥?Improved (lower R
ON
, faster switching), pin compatible
replacements for ISL84541鈥?4
鈥?Fully speci鏗乪d at 3.3V, 5V, and 12V supplies
鈥?ON resistance (R
ON
) . . . . . . . . . . . . . . . . . . . . . . . . . 19鈩?/div>
鈥?R
ON
matching between channels . . . . . . . . . . . . . . . . . <1鈩?/div>
鈥?Low charge injection . . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)
鈥?Single supply operation. . . . . . . . . . . . . . . . . . +2.7V to +12V
鈥?Low power consumption (P
D
). . . . . . . . . . . . . . . . . . . . .<5碌W
鈥?Low leakage current . . . . . . . . . . . . . . . . . . . . . . . . . 10nA
鈥?Fast switching action
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20ns
鈥?Guaranteed break-before-make (ISL5122/ISL5123 only)
鈥?Minimum 2000V ESD protection per method 3015.7
鈥?TTL, CMOS compatible
鈥?Available in SOT-23 packaging
Applications
鈥?Battery powered, handheld, and portable equipment
- Cellular/mobile phones
- Pagers
- Laptops, notebooks, palmtops
鈥?Communications systems
- Military radios
- PBX, PABX
鈥?Test equipment
- Ultrasound
- Electrocardiograph
鈥?Heads-up displays
鈥?Audio and video switching
鈥?Various circuits
- +3V/+5V DACs and ADCs
- Sample and hold circuits
- Digital 鏗乴ters
- Operational ampli鏗乪r gain switching networks
- High frequency analog switching
- High speed multiplexing
- Integrator reset circuits
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
1
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 trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2002. All Rights Reserved
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