General Description

The AS1741/AS1742/AS1743 are high-speed, low-voltage, dual single-pole/single-throw (SPST) analog switches.

Fast switching speeds, low ON-resistance, and low power-consumption make these devices ideal for single cell battery powered applications.

Key Features

ON-Resistance:

- 0.8Ω (+3V supply)

- 2.5Ω (+1.8V supply)

RON Matching: 0.08Ω (+3V supply)

RON Flatness: 0.18Ω (+3V supply)

Supply Voltage Range: +1.6 to +3.6V

Switching Action: tON = 22ns, tOFF = 14ns

Current-Handling: 250mA Continuous

Break-Before-Make Switching (AS1743)

Rail-to-Rail Signal Handling

1.8V CMOS Logic Compatible (+3V supply)

Total Harmonic Distortion: 0.03

Operating Temperature Range: -40 to +85ºC

Package Types:

- 8-pin MSOP

- 8-pin SOT23

Applications

The devices are ideal for use in power routing systems, cordless and mobile phones, MP3 players, CD and DVD players, PDAs, handheld computers, digital cameras, hard drives, and any other application where high-speed signal switching is required.