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MAX6575H, MAX6575L
SOT Temperature Sensor with Multidrop Single Wire Digital Interface
SOT23 Single-Wire Digital Temperature Sensors
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Status
Active: In Production.
Description
The MAX6575L/H is a low-cost, low-current temperature sensor with a single-wire digital interface. It features accuracy of ±3°C at +25°C, ±4.5°C at +85°C, and ±5°C at +125°C. The MAX6575L/H is a monostable, externally triggered temperature sensor that allows a microprocessor (µP) to interface with up to eight temperature sensors using a single control line. Temperatures are sensed by measuring the time delay between the falling edge of the external triggering pulse and the falling edge of the subsequent pulse delays reported from the devices. Different sensors on the same I/O line use different timeout multipliers to avoid overlapping signals.
The MAX6575L/H features eight different timeout multipliers; these are selectable by using the two time-select pins on each device and choosing the "L" or "H" version. The "L" version provides four delay ranges less than 50ms. The "H" version provides four delay ranges greater than 50ms. The MAX6575L/H is available in a space-saving 6-pin SOT23 package.
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Data Sheet
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Key Features
- Simple Single-Wire Interface to µP or µC
- Multidrop up to Eight Sensors on One Wire
- ±0.8°C Accuracy at +25°C (±3°C max)
- Operates from +2.7V to +5.5V Supply Voltage
- Low 150µA (typ) Supply Current
- Standard Operating Temperature Range: -40°C to +125°C
- Small 6-Pin SOT23 Package
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Applications/Uses
- Automotive Electronics
- Battery Packs
- Cell Phones
- Critical µP and µC Monitoring
- Hard Drives/Tape Drives
- Medical Equipment
- Networking and Telecom Equipment
- Portable Battery-Powered Equipment
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Key Specifications:
| Temperature Sensors |
| Part Number |
Sensor Type |
Interface |
Accuracy
(±°C) |
Parasite Pwr. |
Multi Droppable |
Oper. Temp.
(°C) |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| MAX6575 |
Local |
Pulse Delay |
3 |
No |
Yes |
-55 to +125 |
9 |
$0.82 @1k |
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See All Temperature Sensors (103)
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Pricing 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.
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Diagram
 Typical Operating Circuit
Application Notes
Product Guides
Reliability Reports
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX6575HZUT+
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6+4*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX6575HZUT+T
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6+4*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX6575HZUT-T
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6-4*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX6575LZUT
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6-4*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX6575LZUT+
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6+4*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX6575LZUT+T
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6+4*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX6575LZUT-T
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Active |
SOT;6 pin;9 mm²
Outline Drawing:21-0058 (PDF)
Land Pattern: 90-0175 (PDF)
Use pkgcode/variation: U6-4*
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-40°C to +85°C
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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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Notes and Comments
Multidrop single-wire interface - up to 8 sensors on one wire (MAX6575)
Single-wire interface - squarewave period proportional to temperature (MAX6576)
Single-wire interface - squarewave frequency proportional to temperature (MAX6577)
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Information Index
Document Ref.: 19-1485
Rev 0;
1999-04-01
This page last modified: 2007-06-04
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