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Details for DS18B20+PAR by Maxim Integrated
Electronic & Electrical Components > Sensors & Transducers > Sensors
SENSOR TEMPERATURE NV ALARM 3TO92
DS18B20+PAR image

DS18B20+PAR by Maxim Integrated

SENSOR TEMPERATURE NV ALARM 3TO92
Features
Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
Converts temperature to 12-bit digital word in 750 ms (max.)
Derives power from data line (u201cparasite poweru201d)u2014does not need a local power supply
Ideal for use in remote sensing applications
Measures temperatures from u201355u00b0C to +100u00b0C (u201367u00b0F to +212u00b0F)
Multi-drop capability simplifies distributed temperature sensing applications
Requires no external components
Software compatible with the DS1822-PAR
Thermometer resolution is user-selectable from 9 to 12 bits
Unique 1-Wireu00ae interface requires only one port pin for communication
Useru2013definable non-volatile temperature alarm settings
u00b10.5u00b0C accuracy from u201310u00b0C to +85u00b0C
Part Information
DS18B20+PAR image
RoHS Compliant
Description
The DS18B20-PAR digital thermometer provides 9 to 12–bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20-PAR does not need an external power supply because it derives power directly from the data line (“parasite power”). The DS18B20-PAR communicates over a 1-Wire bus, which by definition requires only one data line (and ground) for communication with a central microprocessor. It has an operating temperature range of –55°C to +100°C and is accurate to ±0.5°C over a range of –10°C to +85°C. Each DS18B20-PAR has a unique 64-bit identification code, which allows multiple DS18B20-PARs to function on the same 1–wire bus; thus, it is simple to use one microprocessor to control many DS18B20- PARs distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment or machinery, and process monitoring and control systems. DS18B20-PAR 1-Wire Parasite-Power Digital Thermometer
Specifications
IC Output Type:
Open Drain
Sensing Accuracy Range:
± 0.5°C
Sensing Temperature Min:
-55°C
Sensing Temperature Max:
100°C
Sensor Case Style:
TO-92
No. of Pins:
3Pins
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
Product Range:
Digital Thermometer
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
-
SVHC:
No SVHC (15-Jan-2018)
Comparator Case Style:
TO-99
Comparator Type:
General Purpose
No. of Comparators:
1 Comparator, 1
Operating Temperature Max:
125°C
Operating Temperature Min:
-55°C
Response Time:
750ms
Supply Current:
1mA
Supply Voltage Range:
3V to 5.5V
Temperature Sensing Range:
-55°C to +125°C
Alternate Descriptions
1-WIRE DIGITAL THERMOMETER PROGR. TO-92 RS Components
TEMP SENSOR, OPEN DRAIN, TO-92-3; IC Output Type:Open Drain; Sensing Accuracy Range:± 0.5°C; Sensing Temperature Min:-55°C; Sensing Temperature Max:100°C; Sensor Case Style:TO-92; No. of Pins:3Pins; Supply Voltage Min:3V RoHS Compliant: Yes Newark Electronics
Temp Sensor Digital Serial (1-Wire) 3-Pin TO-92 Bag Avnet America
Temp Sensor Digital Serial (1-Wire) 3-Pin TO-92 Bag Avnet Europe
Temp Sensor Digital Serial (1-Wire) 3-Pin TO-92 Bag Avnet Asia
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