The Intersil ISL54051 and ISL54052 devices are low

ON-resistance, low voltage, bidirectional, single

pole/single throw (SPST) analog switches designed to

operate from a single +1.8V to +5.5V supply. Targeted

applications include battery powered equipment, which

benefit from low rON resistance (0.8Ω), excellent rON

flatness, and fast switching speeds (tON = 24ns,

tOFF = 10ns). The digital logic input is 1.8V logic

compatible when using a single +3.0V 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 family of parts may

be used to switch in additional functionality while

reducing ASIC design risk. The ISL54051 and the

ISL54052 are offered in a 6 Ld 1.2mmx1.0mmx0.5mm

µTDFN package and a 6 Ld SOT-23 package, alleviating

board space limitations.

The ISL54051 has one normally open (NO) switch and

ISL54052 has one normally closed (NC) switch.

Features

• ON-resistance (rON)

- VCC = +5.0V. . . . . . . . . . . . . . . . . . . . . 0.8Ω

- VCC = +3.0V. . . . . . . . . . . . . . . . . . . . . 1.1Ω

- VCC = +1.8V. . . . . . . . . . . . . . . . . . . . . 2.3Ω

• rON flatness (+4.5V supply) . . . . . . . . . . . . 0.25Ω

• Single supply operation . . . . . . . . +1.8V to +5.5V

• Fast switching action (+4.5V supply)

- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . 24ns

- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . 10ns

• ESD HBM rating . . . . . . . . . . . . . . . . . . . . . . >6kV

• 1.8V, CMOS logic compatible (+3V supply)

• Available in 6 Ld µTDFN and 6Ld SOT-23 Packages

• Pb-free (RoHS compliant)

Applications

• Battery powered, handheld, and portable equipment

- Cellular/mobile phones

- Pagers

- Laptops, notebooks, palmtops

• Portable test and measurement

• Medical equipment

• Audio and video switching