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MAX2742

Single-Chip Global Positioning System Receiver Front-End

Overview

Technical Documents

Ordering Info

Status

All versions are No Longer Available. See Ordering Information for recommended replacements.

Description

The MAX2742 complete single-chip global positioning system (GPS) RF front-end utilizes many innovative and leading-edge RF CMOS design techniques. This high-performance, state-of-the-art device consumes extremely low power and eliminates the need for costly SAW and bulky discrete IF filters. The MAX2742 incorporates a fully integrated low-noise amplifier (LNA) and mixer, IF section, digital sampler, and local oscillator synthesizer.

The intended input signal for the MAX2742 is the L1 GPS signal 1.57542GHz. This device supports high-accuracy output quantization, which delivers the best performance obtainable for the GPS receiver. The power consumption of the MAX2742 is as low as 32mW at a +2.4V supply.

The MAX2742 is available in a space-saving 48-pin TQFP package and is specified for the extended (-40°C to +85°C) temperature range.

Data Sheet

Download	Rev 2	(PDF, 116kB)
E-Mail

Key Features

Complete Single-Chip GPS Front-End Receiver
Single-Ended or Differential Outputs at 1.023MHz
Low 4.5dB Typical Noise Figure
No External IF SAW or Discrete Filters Required
Very Low 32mW Power Consumption at +2.4V
Wide +2.4V to +3.6V Operational Supply Voltage Range
Extended -40°C to +85°C Temperature Range

Applications/Uses

Consumer Electronics
Digital Cameras and Camcorders
Emergency Response Systems
Emergency Roadside Assistance
Geographical Information Systems (GISs)
In-Vehicle Navigation Systems (IVNS)
Inventory Management
Location-Based Services (PDAs and Recreational Handheld/Walkie Talkies)
Telematics (Vehicle and Asset Tracking, Inventory Management)

Diagram

Typical Application Circuit

Application Notes

Application Note 602		RF IC Building Block Solutions for GPS
Application Note 3447		Complete Stand-Alone GPS Receiver Solution with MAX2742

Product Guides

Wireless (PDF)

Reliability Reports

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Software/Models

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Ordering Information

Filters:

Part Number:

Package:

Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX2742ECM+D		N/A	No Longer Available	MAX2769ETI+	TQFP-EP;48 pin;82.8 mm² Outline Drawing:21-0065 (PDF) Land Pattern: 90-0138 (PDF) Use pkgcode/variation: C48E+8*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX2742ECM+TD		N/A	No Longer Available	MAX2769ETI+	TQFP; Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX2742ECM-C0A		N/A	No Longer Available	MAX2769ETI+	TQFP-EP;48 pin;82.8 mm² Outline Drawing:21-0065 (PDF) Land Pattern: 90-0138 (PDF) Use pkgcode/variation: C48E-8*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis

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; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product 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.

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-3469 Rev 2; 2008-06-26
This page last modified: 2008-06-26