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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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Data Sheet
FULL DATA SHEET (PDF, 256kB)
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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

 
  		• Audio-Signal Routing
  		• Avionics
  		• Battery-Powered Applications
  		• Data Acquisition
  		• Networking
  		• Test Equipment

    Key Specifications:   Switches and Multiplexers (Mid Voltage)
    Part Number Configuration Number of Channels VSUPPLY, Single (min) (V) VSUPPLY, Single (max) (V) VSUPPLY, Dual (min) (±V) VSUPPLY, Dual (max) (±V) RON (max) (Ω) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF) Features VISO, Off-Isolation (dB) VCT, Crosstalk (dB) ΔRON (max) (Ω) RFLAT(ON) (max) (Ω) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    MAX4539  8:1 Mux 1 2.7 12 2.7 6 100 0.1 115 100 5 26 3
    •Address Latch
    •Calibration Multiplexer
    •Chip Enable
    		 75 75 4 10 No PDIP/20
    SOIC/20
    SSOP/20     		58 $3.04 @ 1k
    MAX4540  4:1 Mux 2 Yes $3.34 @ 1k
    See All Switches and Multiplexers (Mid Voltage) (284)
    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.

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

    Evaluation Kits
    none

    Design Guides
  		• MUX & SWITCH (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: 1-22 of 22

    MAX4539 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4539CPP  
    		PDIP;20 pin;219 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EPP  
    		PDIP;20 pin;219 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CWP  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CWP-T  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EWP  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EWP-T  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CAP  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539CAP-T  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EAP-T  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4539EAP  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4540CPP  
    		PDIP;20 pin;219 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EPP  
    		PDIP;20 pin;219 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540CWP  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540CWP-T  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EWP-T  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EWP  
    		SOIC;20 pin;138 mm²
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP+T  



    		-40°C to +85°C See data sheet
    MAX4540EAP+  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4540CAP  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540CAP-T  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP-T  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4540EAP  
    		SSOP;20 pin;58 mm²
    Dwg: 21-0056C (PDF)
    Use pkgcode/variation: A20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    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: 2007-06-01




             


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