廬
ISL43L120, ISL43L121, ISL43L122
Data Sheet
November 3, 2004
FN6091.1
Ultra Low ON-Resistance, Single Supply,
Dual SPST Analog Switches
The Intersil ISL43L120, ISL43L121, ISL43L122 devices are
low ON-resistance, low voltage, bidirectional, precision, dual
single-pole/single-throw (SPST) analog switches designed
to operate from a single +1.65V to +3.6V supply. Targeted
applications include battery powered equipment that benefit
from low R
ON
(0.16鈩?, low power consumption (0.12碌W)
and fast switching speeds (t
ON
= 13ns, t
OFF
= 13ns).
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
switch in additional functionality while reducing ASIC design
risk. The ISL43L12X are offered in an 8 lead MSOP
package, alleviating board space limitations.
The ISL43L120, ISL43L121, ISL43L122 are dual single-
pole/single-throw (SPST) devices. The ISL43L120 has two
normally open (NO) switches; the ISL43L121 has two
normally closed (NC) switches; the ISL43L122 has one
normally open (NO) and one normally closed (NC) switch
and can be used as an SPDT.
Table 1 summarizes the performance of this family.
TABLE 1. FEATURES AT A GLANCE
ISL43L120
NUMBER OF
SWITCHES
SW 1/SW 2
1.8V R
ON
1.8V t
ON
/t
OFF
3V R
ON
3V t
ON
/t
OFF
PACKAGES
2
NO/NO
0.26鈩?/div>
30ns/25ns
0.16鈩?/div>
13ns/13ns
ISL43L121
2
NC/NC
0.26鈩?/div>
30ns/25ns
0.16鈩?/div>
13ns/13ns
ISL43L122
2
NO/NC
0.26鈩?/div>
30ns/25ns
0.16鈩?/div>
13ns/13ns
Features
鈥?Low ON Resistance (R
ON
)
- V+ = 3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.16鈩?/div>
- V+ = 1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.26鈩?/div>
鈥?R
ON
Matching Between Channels . . . . . . . . . . . . 0.005鈩?/div>
鈥?R
ON
Flatness Over Signal Range . . . . . . . . . . . . . . 0.008鈩?/div>
鈥?Single Supply Operation. . . . . . . . . . . . . . . . +1.65V to +3.6V
鈥?Low Power Consumption (P
D
) . . . . . . . . . . . . . . . . . <0.12碌W
鈥?Fast Switching Action (V+ = 3.0V)
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13ns
鈥?ESD HBM Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >8kV
鈥?1.8V Logic Compatible (+3V Supply)
鈥?Available in 8-Ld thin DFN and 8-Ld MSOP Packages
Applications
鈥?Battery Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
鈥?Portable Test and Measurement
鈥?Medical Equipment
鈥?Audio and Video Switching
8Ld 3x3 thin DFN, 8Ld MSOP
Related Literature
Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?
Application Note AN557 鈥淩ecommended Test Procedures
for Analog Switches鈥?
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 registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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