ISL84541_0309 Datasheet, PDF (1/16 Pages) Intersil Corporation – Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches

ISL84541, ISL84542, ISL84543, ISL84544
®
Data Sheet
September 2003
FN6016.6
Low-Voltage, Single Supply, Dual SPST,
SPDT Analog Switches
The Intersil ISL84541–ISL84544 devices are precision, 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 (t_ON = 35ns, t_OFF = 25ns). 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 “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.
The ISL84541/ISL84542/ISL84543 are dual single-
pole/single-throw (SPST) devices. The ISL84541 has two
normally open (NO) switches; the ISL84542 has two normally
closed (NC) switches; the ISL84543 has one NO and one NC
switch and can be used as an SPDT. The ISL84544 is a
committed SPDT, which is perfect for use in 2-to-1 multiplexer
applications.
Table 1 summarizes the performance of this family. For higher
performance, pin compatible versions, see the ISL43120 - 22
and ISL43210 datasheet.
TABLE 1. FEATURES AT A GLANCE
ISL84541 ISL84542 ISL84543 ISL84544
NUMBER OF
2
2
2
1
SWITCHES
SW 1 / SW 2 NO / NO NC / NC NO / NC SPDT
3.3V R_ON
50Ω
50Ω
50Ω
50Ω
3.3V t_ON / t_OFF 50 / 20ns 50 / 20ns 50 / 20ns 50 / 20ns
5V R_ON
30Ω
30Ω
30Ω
30Ω
5V t_ON / t_OFF 35 / 25ns 35 / 25ns 35 / 25ns 35 / 25ns
PACKAGES
8 Ld PDIP,
8 Ld SOIC,
8 Ld SOT-23,
8 Ld MSOP
8 Ld PDIP,
8 Ld SOIC,
8 Ld SOT-23
8 Ld PDIP,
8 Ld SOIC,
6 Ld SOT-23
Related Literature
Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Features
• Pb-free Available as an Option
• Drop-in Replacements for MAX4541 - MAX4544, DG9461,
DG9262 - DG9263
• Fully Specified at 3.3V and 5V Supplies
• Pin Compatible with MAX323 - MAX325
• ON Resistance (R_ON) . . . . . . . . . . . . . . . . . . . . . . . . 30Ω
• R_ON Matching Between Channels. . . . . . . . . . . . . . . . . . <1Ω
• Low Charge Injection . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)
• Single Supply Operation. . . . . . . . . . . . . . . . . +2.7V to +12V
• Low Power Consumption (P_D) . . . . . . . . . . . . . . . . . . . .<5µW
• Low Leakage Current (Max at 85^oC) . . . . . . . . . . . . 10nA
• Fast Switching Action
- t_ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35ns
- t_OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25ns
• Guaranteed Break-Before-Make (ISL84543/ISL84544
only)
• 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
- Pagers
- Laptops, Notebooks, Palmtops
• Communications Systems
- Military Radios
- PBX, PABX
• Test Equipment
- Ultrasound
- Electrocardiograph
• Heads-Up Displays
• Audio and Video Switching
• Various 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
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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