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Maxim > Products > [Temperature Sensors] 
MAX7500, MAX7501, MAX7502, MAX7503, MAX7504
Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection

Digital Temperature Sensors and Thermal Watchdog with Bus-Lockup Protection and Manual Reset


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Data Sheet
FULL DATA SHEET (PDF, 272kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX7500–MAX7504 temperature sensors accurately measure temperature and provide an overtemperature alarm/interrupt/shutdown output. These devices convert the temperature measurements to digital form using a high-resolution, sigma-delta, analog-todigital converter (ADC). Communication is through an I²C-compatible 2-wire serial interface. The MAX7500/MAX7501/MAX7502 integrate a timeout feature that offers protection against I²C bus lockups. The MAX7503/MAX7504 do not include the timeout feature.

The 2-wire serial interface accepts standard write byte, read byte, send byte, and receive byte commands to read the temperature data and configure the behavior of the open-drain overtemperature shutdown output.

The MAX7500 features three address select lines, while the MAX7501–MAX7504 feature two address select lines and an active-low RESET input. The MAX7500/MAX7501/MAX7502s' 3.0V to 5.5V supply voltage range, low 250µA supply current, and a lockup-protected I²C-compatible interface make them ideal for a wide range of applications, including personal computers (PCs), electronic test equipment, and office electronics.

The MAX7500–MAX7504 are available in 8-pin µMAX® and SO packages and operate over the -55°C to +125°C temperature range.

NOTE: This product requires use of the following:

  • MAX7500 EVKIT Software

    Key Features   Applications/Uses
    • Timeout Prevents Bus Lockup (MAX7500, MAX7501, MAX7502)
    • Hardware Reset for Added Protection
    • I²C Bus Interface
    • 3.0V to 5.5V Supply Voltage Range
    • 250µA (typ) Operating Supply Current
    • 3µA (typ) Shutdown Supply Current
    • ±1.5°C (max) Temperature Accuracy (-25°C to +100°C, 3-σ)
    • µMAX, SO Packages Save Space
    • Separate Open-Drain OS Output Operates as Interrupt or Comparator/Thermostat Input
    • Register Readback Capability
    • Improved LM75 Second Source

    		 
  		• Electronic Test Equipment
  		• Industrial Process Control
  		• Office Electronics
  		• PCs
  		• Servers

    Key Specifications:   Temperature Sensors
    Part Number Sensor Type Alarm Output Functions Interface Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Operating Temp. Range (°C) Smallest Available Package (max w/pins) (mm2) Price**
    MAX7500  Local  -   -  2-Wire/I2C/SMBus 2 No Programmable  -  -55 to +125 16 $0.65 @ 1k
    MAX7501  Overt
    •Standalone Thermostat
    		 No Programmable 11 $0.65 @ 1k
    MAX7502  Overt
    •Standalone Thermostat
    		 No Programmable 11 $0.65 @ 1k
    MAX7503  Overt
    •Standalone Thermostat
    		 No Programmable 11 $0.65 @ 1k
    MAX7504  Overt
    •Single Temperature Alarm
    		  -   -   -  $0.65 @ 1k
    See All Temperature Sensors (99)
    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.

    Evaluation Kits
  		• MAX7500EVKIT

    Design Guides
  		• Temp Sensors (PDF)

    Reliability Reports
  		• Reliability Report: MAX7500.pdf
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
  		• MAX7500 EVKIT Software
  		• MAX7500 IBIS Model

    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: 1-43 of 43

    MAX7500 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7500MTA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7500MSA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7500MSA-T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7500MSA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7500MSA+T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7500MUA  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7500MUA-T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7500MUA+  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7500MUA+T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7501 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7501MTA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7501MSA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7501MSA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7501MSA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7501MSA+T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7501MUA  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7501MUA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7501MUA+  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7501MUA+T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7502 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7502MTA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7502MSA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7502MSA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7502MSA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7502MSA+T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7502MUA  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7502MUA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7502MUA+  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7502MUA+T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7503 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7503MSA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7503MSA+T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7503MSA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7503MSA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7503MUA+  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7503MUA+T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7503MUA  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7503MUA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7504 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7504MSA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+2*
    		-55°C to +125°C See data sheet
    Materials Analysis
    MAX7504MSA+T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7504MSA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7504MSA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX7504MUA+  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7504MUA+T  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-55°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7504MUA  
    		µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7504MUA-T  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet

    More Information
  		• Topmark Coding: MAX7500
  		• New Product Press Release 2004-08-16 

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    Document Ref.: 19-3382; Rev 3; 2008-09-18
    This page last modified: 2008-09-18


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