MAXIM MAX4721 MAX4722 MAX4723 Dual SPST Analog Switches in UCSP Data Sheet

19-2632; Rev 0; 10/02

4.5Ω Dual SPST Analog Switches in UCSP

General Description Features

The MAX4721/MAX4722/MAX4723 low-voltage, low on- USB 1.1 Signal Switching

resistance (RON), dual single-pole/single throw (SPST)

<2ns Differential Skew

analog switches operate from a single +1.8V to +5.5V

-3d B Bandwidth: >300MHz

supply. These devices are designed for USB 1.1 and

Low 15p F On-Channel Capacitance

audio switching applications.

Low RON (max) Switches

The MAX4721/MAX4722/MAX4723 feature 4.5Ω RON

4.5Ω (max) (+3V Supply)

(max) with 1.2Ω flatness and 0.3Ω matching between

3Ω (max) (+5V Supply)

channels. These new switches feature guaranteed

operation from +1.8V to +5.5V and are fully specified at 0.3Ω (max) RON Match (+3V Supply)

3V and 5V. These switches offer break-before-make

1.2Ω (max) RON Flatness (+3V Supply)

switching (1ns) with t ON <80ns and t OFF <40ns at

<0.5n A Leakage Current at TA = +25°C

+2.7V. The digital logic inputs are +1.8V logic compati-

ble with a +2.7V to +3.6V supply. High Off-Isolation: -55d B (10MHz) Low Crosstalk: -80d B (10MHz)

These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board Low Distortion: 0.03% area. The chip occupies only a 1.52mm ✕ 1.52mm area

+1.8V CMOS-Logic Compatible

and has a 3 ✕ 3 bump array with a bump pitch of

Single-Supply Operation from +1.8V to +5.5V

0.5mm. These switches are also available in an 8-pin

µMAX package. Rail-to-Rail® Signal Handling

Applications Ordering Information

Battery-Operated Equipment PIN/BUMP-

PART TEMP RANGE

PACKAGE MARK

Audio/Video-Signal Routing

MAX4721EUA -40°C to +85°C 8 µMAX

Low-Voltage Data-Acquisition Systems

MAX4721EBL-T* -40°C to +85°C 9 UCSP-9 ABP

Sample-and-Hold Circuits

MAX4722EUA -40°C to +85°C 8 µMAX

Communications Circuits

MAX4722EBL-T* -40°C to +85°C 9 UCSP-9 ABQ MAX4723EUA -40°C to +85°C 8 µMAX MAX4723EBL-T* -40°C to +85°C 9 UCSP-9 ABR Note: UCSP package requires special solder temperature pro- file described in the Absolute Maximum Ratings section. *UCSP reliability is integrally linked to the user’s assembly meth- ods, circuit board material, and environment. See the UCSP reli-

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

ability notice in the UCSP Reliability section of this data sheet for

UCSP is a trademark of Maxim Integrated Products, Inc.

more information.

Pin Configurations/Functional Diagrams/Truth Tables

MAX4721 MAX4722 MAX4723

TOP VIEW (BUMP SIDE DOWN)

IN2 GND NO2 IN2 GND NC2 IN2 GND NC2 IN_ NO_ NC_

LOW OFF ON COM1 COM2 COM1 COM2 COM1 COM2 HIGH ON OFF

NO1 V+ IN1 NC1 V+ IN1 NO1 V+ IN1

UCSPUCSP UCSP

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.