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Maxim > Products > [Analog Switches and Multiplexers] 
MAX4539, MAX4540
Low-Voltage, Single 8 to 1 and Dual 4 to 1 Cal Multiplexers


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 256kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX4539/MAX4540 low-voltage, CMOS 8-channel (MAX4539) and dual 4-channel (MAX4540) multiplexers are ideal for precision ADC calibration and system self-monitoring applications. These calibration multiplexers (cal-muxes) have precision resistor-dividers to generate accurate voltage ratios from an input reference voltage. The reference ratios include 15/4096 and 4081/4096 of the external reference voltage, accurate to 15 bits, and 1/2V+ and 5/8(V+ - V-), accurate to 8 bits. The external reference voltage as well as ground can also be switched to the output. The MAX4539/MAX4540 have enable inputs and address latching. All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility when using a ±5V or a single +5V supply. Protection diodes at all inputs provide an ESD rating >2kV.

The MAX4539/MAX4540 operate from a single +2.7V to +12V supply, or from dual supplies of ±2.7V to ±6V. On-resistance (100Ω max) is matched between switches to 6Ω max. Each switch can handle rail-to-rail analog signals. The off leakage current is 0.1nA at TA = +25°C and 2nA at TA = +85°C.

The MAX4539/MAX4540 are available in small 20-pin DIP, SO, and SSOP packages.

Key Features   Applications/Uses
  • On-Chip Gain and Offset Divider Networks Provide 15-Bit Accurate Output Ratios
  • On-Chip V+ to GND and V+ to V- Divider Networks Provide 8-Bit Accurate Output Ratios
  • RON: 100Ω max
  • RON Matching Between Channels: 6Ω max
  • Charge Injection: 5pC max
  • Low 0.1nA Off Leakage Current
  • Small 20-Pin SSOP/SO/DIP Packages

 

Key Specifications:  Switches and Multiplexers (Mid Voltage)
Part Number Functions Config. Channels VSUPPLY (Single)
(V)		 VSUPPLY (Single)
(V)		 VSUPPLY (Dual)
(±V)		 VSUPPLY (Dual)
(±V)		 RON
(Ω)		 IL(OFF)
(nA)		 tON
(ns)		 tOFF
(ns)		 QINJECTION
(pC)		 CON
(pF)		 COFF
(pF)		 Price
min max min max max max min max max max See Notes
MAX4539  Mux 8:1 1 2.7 12 2.7 6 100 0.1 115 100 5 26 3 $3.04 @1k
MAX4540  4:1 2 $3.34 @1k
See All Switches and Multiplexers (Mid Voltage) (297)

Diagram
MAX4539: Pin Configuration
Pin Configuration

MAX4540: Pin Configuration
Pin Configuration

Application Notes
  		• Application Note 261: Calibration-Multiplexers Ease System Calibration - MAX4539

    Design Guides
  		• Signal Routing & Protection (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report 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: 1-18 of 18

    MAX4539 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4539CPP  
    		Active PDIP(N);20 pin;219.2 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EPP    
    		Active PDIP(N);20 pin;219.2 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CWP  
    		Active SOIC(W);20 pin;138.5 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0108 (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CWP-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX4539EWP    
    		Active SOIC(W);20 pin;138.5 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0108 (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CAP    
    		Active SSOP;20 pin;57.9 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CAP-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX4539EAP  
    		Active SSOP;20 pin;57.9 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EAP-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4540 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4540CPP  
    		Active PDIP(N);20 pin;219.2 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EPP    
    		Active PDIP(N);20 pin;219.2 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540CWP    
    		Active SOIC(W);20 pin;138.5 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0108 (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EWP    
    		Active SOIC(W);20 pin;138.5 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0108 (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4540EAP+  
    		Active SSOP;20 pin;57.9 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4540CAP    
    		Active SSOP;20 pin;57.9 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP    
    		Active SSOP;20 pin;57.9 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Notes and Comments
    • Single-Supply, On-Chip Gain and Offset Divider Networks

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    Document Ref.: 19-4780; Rev 1; 1999-06-01
    This page last modified: 2009-11-05


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