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Active: In Production.

Description

Request Full Data Sheet The MAX4901–MAX4905 switches feature negative signal capability that allows signals below ground to pass through without distortion. The MAX4901/MAX4902 are a dual SPST (single-pole/single-throw) and the MAX4903/MAX4904/MAX4905 are a single SPDT (single-pole/double-throw) configuration. These analog switches operate from a single +1.8V to +5.5V supply and have low 0.6Ω on-resistance, making them ideal for switching audio signals. The MAX4905 includes a comparator that can be used for headphone detection or mute/send key function. The MAX4902/MAX4904/MAX4905 have internal shunt resistors to automatically discharge any capacitance at the NO_ and NC connection points. This reduces click-and-pop sounds that occur when switching audio signals between pre-charged points. A break-before-make feature and auto-discharge also help to reduce popping. These SPST and SPDT switches are available in space-saving 8-pin TDFN and 9-bump UCSP™ packages and operate over the -40°C to +85°C extended temperature range.

Key Features		Applications/Uses
Distortion-Free Signal Throughput Down to VCC - 5.5V Comparator for Headphone or Mute Detection (MAX4905) Clickless Switches with Internal Shunt Resistors (MAX4902/MAX4904/MAX4905) 0.6Ω (typ) Low On-Resistance (RON) 0.25Ω On-Resistance Flatness +1.8V to +5.5V Supply Voltage 0.04% THD		Cell Phones MP3 Players Notebook Computers PDAs and Handheld Devices

Diagram

Typical Operating Circuit

Reliability Reports

Reliability Report: MAX4901.pdf MAX4902.pdf MAX4903.pdf MAX4904.pdf Show FIT data for: MAX4901 MAX4902 MAX4903 MAX4904 MAX4905 Request Reliability Report for: MAX4905

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-18 of 18

MAX4901	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4901ETA+T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4901ETA-T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4901EBL+T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4901EBL-T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4902	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4902ETA+T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4902ETA-T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4902EBL-T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4903	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4903ETA+			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4903ETA+T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4903ETA-T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4903EBL+T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4903EBL-T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4904	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4904ETA-T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4904EBL+T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4904EBL-T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4905	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4905ETA-T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4905ETA+T			Active	TDFN-EP;8 pin;10 mm² Outline Drawing: 21-0137 (PDF) Land Pattern: 90-0059 (PDF) Use pkgcode/variation: T833+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4905EBL-T			Active	UCSP;9 pin;2 mm² Outline Drawing: 21-0093 (PDF) Land Pattern: Not Available Use pkgcode/variation: B9-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis

More Information

Topmark Coding: MAX4901 MAX4902 MAX4903 MAX4904 MAX4905 New Product Press Release 2005-08-31

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