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Product Description

CT1780 performs cold-junction compensation and digitizes the signal from a K-, J-, N-, T-, S-, R-, or E-type thermocouple. The converter resolves temperatures to 0.25°C, allowing readings as high as +1768°C and as low as -270°C.

Product Features

 Operation Voltage: 3.0V to 5.5V
 14-bit for 0.25°C resolution
 Integrated Cold-Junction Compensation
 Available for Multiple Thermocouples Types:
Supports K-, J-, N-, T-, and E- Type
 Detects Thermocouple Shorts to GND or VDD
 Detects Open Thermocouple
 Compatible with Single-Wire interface
 Operation Temperature Range: -40°C to 125°C

Typical Application

Functional Block Diagram

Package

Datasheet

Ordering Information

Order PN	Thermocouple Type	Green	Package	Marking ID	Packing	MPQ	TeOmpepreartaio tunre
CT1780DNR	K	Halogen free	DFN3X4-10	1780 YWWAXX	Tape & Reel	5,000	-40oC~+125oC
CT1780JDNR	J	Halogen free	DFN3X4-10	1780J YWWAXX	Tape & Reel	5,000	-40oC~+125oC
CT1780NDNR	N	Halogen free	DFN3X4-10	1780N YWWAXX	Tape & Reel	5,000	-40oC~+125oC
CT1780TDNR	T	Halogen free	DFN3X4-10	YW17W80ATXX	Tape & Reel	5,000	-40oC~+125oC
CT1780EDNR	E	Halogen free	DFN3X4-10	1780E YWWAXX	Tape & Reel	5,000	-40oC~+125oC