Maxim > Products > Analog Switches and Multiplexers > MAX4855

MAX4855

0.75Ω, Dual SPDT Audio Switch with Integrated Comparators

Overview

Technical Documents

Ordering Info

Status

Active: In Production.

Description

The MAX4855 dual, single-pole/double-throw (SPDT) switch operates from a single +2V to +5.5V supply and features rail-to-rail signal handling. The MAX4855 has low on-resistance (0.75Ω) with a +3V supply making it ideal for audio switching applications in portable devices. The device also integrates two internal comparators that can be used for headphone detection or mute/send key functions.

The MAX4855 is available in the space-saving (3mm x 3mm), 16-pin thin QFN package and operates over the extended temperature range of -40°C to +85°C.

Data Sheet

Download	Rev 0	(PDF, 200kB)
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Key Features

Audio Signal Routing
0.75Ω On-Resistance
0.18Ω On-Resistance Flatness
0.07Ω Channel-to-Channel Matching
Rail-to-Rail Signal Handling
2 Integrated Comparators
1.8V Logic Compatible
2V to 5.5V Supply Range
Available in a Space-Saving (3mm x 3mm), 16-Pin TQFN Package

Applications/Uses

Audio-Signal Routing
Cell Phones
Notebook Computers
PDAs and Other Handheld Devices
Speaker-Headset Switching

Key Specifications:

Switches and Multiplexers (Low Voltage)

Part Number

Config.

Channels

V_SUPPLY (Single)
(V)

V_SIGNAL
(V)

Dynamic Range (max)
(V)

R_ON
(Ω)

R_FLAT(ON)
(Ω)

BW
(MHz)

I_L(OFF)
(nA)

t_ON
(ns)

t_OFF
(ns)

Q_INJECTION
(pC)

C_ON
(pF)

C_OFF
(pF)

Budgetary Price

min

max

min

max

typ

max

min

max

See Notes

MAX4855

2:1

SPDT

5.5

0.18

0.275

170

150

$1.48 @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

Typical Operating Circuit

More Information

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