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DS1620S-D1/T&R

Description
IC thermometer/stat dig 8-soic
Categorysemiconductor    Analog mixed-signal IC   
File Size301KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS1620S-D1/T&R Overview

IC thermometer/stat dig 8-soic

AVAILAB
LE
DS1620
Digital Thermometer and
Thermostat
www.maxim-ic.com
FEATURES
§
§
§
§
§
§
§
§
Requires no external components
Supply voltage range covers from 2.7V to
5.5V
Measures temperatures from -55°C to +125°C
in 0.5°C increments; Fahrenheit equivalent is
-67°F to +257°F in 0.9°F increments
Temperature is read as a 9-bit value
Converts temperature to digital word in 750
ms (max)
Thermostatic settings are user-definable and
nonvolatile
Data is read from/written via a 3-wire serial
interface (CLK, DQ,
RST
)
Applications include thermostatic controls,
industrial systems, consumer products,
thermometers, or any thermally sensitive
system
8-pin DIP or SOIC (208-mil) packages
PIN ASSIGNMENT
DQ
CLK/CONV
RST
GND
1
2
3
4
8
7
6
5
V
DD
T
HIGH
T
LOW
T
COM
DS1620S 8-Pin SOIC (208-mil)
DQ
CLK/CONV
RST
GND
1
2
3
4
8
7
6
5
V
DD
T
HIGH
T
LOW
T
COM
DS1620 8-Pin DIP (300-mil)
§
PIN DESCRIPTION
Functional Diagrams
DQ
CLK/
CONV
RST
GND
T
HIGH
T
LOW
T
COM
V
DD
- 3-Wire Input/Output
- 3-Wire Clock Input and
Stand-alone Convert Input
- 3-Wire Reset Input
- Ground
- High Temperature Trigger
- Low Temperature Trigger
- High/Low Combination Trigger
- Power Supply Voltage (3V - 5V)
DESCRIPTION
The DS1620 Digital Thermometer and Thermostat provides 9–bit temperature readings which indicate
the temperature of the device. With three thermal alarm outputs, the DS1620 can also act as a thermostat.
T
HIGH
is driven high if the DS1620’s temperature is greater than or equal to a user–defined temperature
TH. T
LOW
is driven high if the DS1620’s temperature is less than or equal to a user–defined temperature
TL. T
COM
is driven high when the temperature exceeds TH and stays high until the temperature falls
below that of TL.
appear at end of data sheet.
Pin Configurations
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
053105

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