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Maxim > Products > [Interface and Interconnect] 
MAX3120
Low-Profile 3V, 120µA IrDA Infrared Transceiver


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 160kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX3120 IrDA 1.2-compatible infrared transceiver is optimized for battery-powered, space-constrained applications. It consumes only 120µA while supporting data rates up to 115kbps over a wide 3V to 5.5V operating range, and features a 10nA shutdown mode to further extend battery life.

The MAX3120 reduces the space required for IrDA applications by requiring a minimum of external components: photodiode, infrared LED, and current-setting resistor. Optical components are external to allow maximum flexibility in PC board design. The MAX3120 is available in 8-pin µMAX® and SO packages. The µMAX package consumes half the board space of an 8-pin SO.

Key Features   Applications/Uses
  • IrDA 1.2 Compatible: 2.4kbps to 115.2kbps
  • +3V to +5.5V Single-Supply Operation
  • Flexible Optics Selection and Layout
  • 120µA Supply Current
  • 10nA Shutdown Supply Current
  • 200mA, High-Current Infrared LED Drive

 
  		• Cell Phones
  		• Handheld Equipment
  		• IrDA Applications
  		• Palmtop Computers
  		• PDAs and Other Handheld Devices
  		• Peripherals

    Key Specifications:  Appletalk and IrDA
    Part Number Functions VSUPPLY
    (V)    		 Data Rate
    (kbps)    		 Shutdn µP I/F ICC
    (mA)    		 ISHUTDN
    (µA)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Price
    max max max w/pins See Notes
    MAX3120  IrDA Transceiver 3.0 to 5.5 115.2 Yes TXD/RXD 0.2 20
    µMAX/8
    SOIC(N)/8
    		 16.2 $1.79 @1k
    See All Appletalk and IrDA (4)

    Diagram
    MAX3120: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 3024: IrDA and RS-232: A Match Made in Silicon - MAX3120

    Design Guides
  		• Interface (PDF)

    Reliability Reports
  		• Reliability Report: MAX3120.pdf
  		• Show FIT data for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * 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: 1-16 of 16

    MAX3120 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3120CSA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3120CSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3120CSA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120CSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3120ESA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3120ESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3120ESA+T    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120ESA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120CUA+  
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120CUA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX3120EUA+T    
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120EUA+  
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3120CUA    
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3120CUA-T    
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3120EUA    
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3120EUA-T    
    		Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    Notes and Comments
    • IrDA 1.2 compatible, 200 mA LED drive capability

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    Document Ref.: 19-1390; Rev 0; 1998-10-01
    This page last modified: 2009-09-07


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