Maxim > Products > Analog Switches and Multiplexers > MAX4721, MAX4722, MAX4723

MAX4721, MAX4722, MAX4723

4.5Ω Dual SPST Analog Switches in UCSP

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Active: In Production.

Description

The MAX4721/MAX4722/MAX4723 low-voltage, low on-resistance (RON), dual single-pole/single throw (SPST) analog switches operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications.

The MAX4721/MAX4722/MAX4723 feature 4.5Ω RON (max) with 1.2Ω flatness and 0.3Ω matching between channels. These new switches feature guaranteed operation from +1.8V to +5.5V and are fully specified at 3V and 5V. These switches offer break-before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply.

These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 1.52mm x 1.52mm area and has a 3 x 3 bump array with a bump pitch of 0.5mm. These switches are also available in an 8-pin µMAX® package.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 304kB)
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Key Features

  • USB 1.1 Signal Switching
  • <2ns Differential Skew
  • -3dB Bandwidth: >300MHz
  • Low 15pF On-Channel Capacitance
  • Low RON (max) Switches
    • 4.5Ω (max) (+3V Supply)
    • 3Ω (max) (+5V Supply)
  • 0.3Ω (max) RON Match (+3V Supply)
  • 1.2Ω (max) RON Flatness (+3V Supply)
  • <0.5nA Leakage Current at TA = +25°C
  • High Off-Isolation: -55dB (10MHz)
  • Low Crosstalk: -80dB (10MHz)
  • Low Distortion: 0.03%
  • +1.8V CMOS-Logic Compatible
  • Single-Supply Operation from +1.8V to +5.5V
  • Rail-to-Rail Signal Handling
 

Applications/Uses

  • Audio/Video Signal Routing
  • Battery-Operated Equipment
  • Communications Circuits
  • Low-Voltage Data-Acquisition Systems
  • Sample-and-Hold Circuits
   

Key Specifications:

Switches and Multiplexers (Low Voltage)
Part Number Config. Channels Normal Position VSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSIGNAL
(V)
VSIGNAL
(V)
Dynamic Range (max)
(V)
RON
(Ω)
RFLAT(ON) BW
(MHz)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
Budgetary Price
min max min max max max typ max min max max max See Notes
MAX4721  SPST 2 Open 1.8 5.5 0 5.5 5.5 4.5 0.6 300 0.5 80 40 18 15 9 $0.88 @1k
MAX4722  Closed $0.88 @1k
MAX4723  Open/Closed $0.88 @1k
See All Switches and Multiplexers (Low Voltage) (186)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX4721, MAX4722, MAX4723: Pin Configuration
Pin Configuration

More Information

Topmark Coding MAX4721
Topmark Coding MAX4722
Topmark Coding MAX4723

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Document Ref.: 19-2632 Rev 0; 2002-11-24
This page last modified: 2009-10-13




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