1

®

FN6031.3

ISL84521, ISL84522, ISL84523

Low-Voltage, Single and Dual Supply,

Quad SPST, Analog Switches

The Intersil ISL84521, ISL84523, ISL84523 devices are

CMOS, precision, quad analog switches designed to operate

Targeted applications include battery powered equipment that

benefit from the devices’ low power consumption (<1

µW), low

leakage currents (1nA max), and fast switching speeds

ensures signal fidelity, while channel-to-channel mismatch is

guaranteed to be less than 4

Ω.

The ISL84521, ISL84522, ISL84523 are quad

single-pole/ single-throw (SPST) devices. The ISL84521 has

four normally closed (NC) switches; the ISL84522 has four

normally open (NO) switches; the ISL84523 has two NO and

two NC switches and can be used as a dual SPDT, or a dual

2:1 multiplexer.

Table summarizes the performance of this family. For higher

performance, pin compatible versions and 3mm x 3mm Quad

No-Lead Flatpack (QFN) package see the ISL43140,

ISL43142 data sheet.

Features

• Drop-in Replacements for MAX4521 - MAX4523

• Four Separately Controlled SPST Switches

• Pin Compatible with DG411, DG412, DG413

• Fast Switching Action

• Break before Make Timing

• Minimum 2000V ESD Protection per Method 3015.7

• TTL, CMOS Compatible

•

Pb-free available

Applications

• Battery Powered, Handheld, and Portable Equipment

- Cellular/Mobile Phones

- Pagers

- Laptops, Notebooks, Palmtops

• Communications Systems

- Military Radios

- RF “Tee” Switches

• Test Equipment

- Ultrasound

- Electrocardiograph

• Heads-Up Displays

• Audio and Video Switching

• General Purpose Circuits

- +3V/+5V DACs and ADCs

- Digital Filters

- Operational Amplifier Gain Switching Networks

- High Frequency Analog Switching

- High Speed Multiplexing

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Application Note AN557 “Recommended Test Procedures

for Analog Switches”

TABLE 1. FEATURES AT A GLANCE

ISL84521

ISL84522

ISL84523

Number of Switches

4

4

4

Configuration

All NC

All NO

2 NC/2 NO

65

Ω

65

Ω

65

Ω

45ns/15ns

45ns/15ns

45ns/15ns

125

Ω

125

Ω

125

Ω

60ns/20ns

60ns/20ns

60ns/20ns

260

Ω

260

Ω

260

Ω

120ns/40ns

120ns/40ns

120ns/40ns

Packages

16 Ld SOIC (N), 16 Ld TSSOP

Data Sheet

August 2004

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143

Copyright © Intersil Americas Inc. 2003, 2004. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.