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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP9601 Datasheet

Thermocouple EMF to Temperature Converter

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MCP960X/L0X/RL0X
Thermocouple EMF to Temperature Converter,
±1.5°C Maximum Accuracy
Features
• Thermocouple Electromotive Force (EMF) to °C
Converter:
- Integrated cold-junction compensation
- Integrated thermocouple open-circuit and
short-circuit detection
• Supported Types (designated by NIST ITS-90):
- Type K, J, T, N, S, E, B and R
• Sensor Accuracy for Thermocouple Hot-Junction:
- MCP9600/01 ±0.5°C/±1.5°C (typ./max.)
- MCP96L00/L01 ±2.0°C/±4.0°C (typ./max.)
- MCP96RL00/RL01 ±4.0°C/±8.0°C (typ./max.)
• Measurement Resolution:
- Hot and cold-junctions: +0.0625°C (typical)
• Four Programmable Temperature Alert Outputs:
- Monitor hot or cold-junction temperatures
- Detect rising or falling temperatures
- Up to 255°C of programmable hysteresis
• Programmable Digital Filter for Temperature
• Low Power:
- Shutdown mode
- Burst mode: 1 to 128 temperature samples
• 2-Wire Interface: I2C Compatible, 100 kHz:
- Supports eight devices per I2C Bus
• Operating Voltage Range: 2.7V to 5.5V
• Operating Current: 300 µA (typical)
• Shutdown Current: 2 µA (typical)
• Package: 20-Lead MQFN
Typical Applications
• Petrochemical Thermal Management
• Hand-Held Measurement Equipment
• Industrial Equipment Thermal Management
• Commercial and Industrial Ovens
• Industrial Engine Thermal Monitor
• Temperature Detection Racks
Description
The Microchip Technology Inc. MCP960X/L0X/RL0X
converts thermocouple EMF to degree Celsius with
integrated cold-junction compensation. The
temperature correction coefficients are derived from
the National Institute of Standards and Technology
(NIST) ITS-90 Thermocouple Database. The
MCP9600/01 corrects the thermocouple nonlinear
error characteristics of eight thermocouple types and
outputs ±0.5°C/±1.5°C (Typ./Max.).
The MCP960X/L0X/RL0X digital temperature sensor
comes with user-programmable registers which
provide design flexibility for various temperature
sensing applications. The registers allow
user-selectable settings, such as Low-Power modes
for battery powered applications, adjustable digital filter
for fast transient temperatures and four individually
programmable temperature alert outputs which can be
used to detect multiple temperature zones.
In addition, the MCP9601/L01/RL01 family provides
integrated Thermocouple open-circuit and short-circuit
detection features. An alert signal is asserted when the
thermocouple wire is broken or disconnected. Similarly,
alert signal is asserted when the Thermocouple is
shorted to ground or power.
The temperature alert limits have multiple
user-programmable configurations, such as alert
polarity as either an active-low or active-high push-pull
output, and output function as a Comparator mode
(useful for thermostat-type operation) or Interrupt mode
for microprocessor-based systems. In addition, the
alerts can detect either a rising or a falling temperature
with up to +255°C hysteresis.
This sensor uses an industry standard 2-wire, I2C
compatible serial interface and supports up to eight
devices per bus by setting the device address using the
ADDR pin.
PIC® MCU I2C
VDD
VIN+ TC+
MCP9600/L00/RL00
4
Alert
ADDR
VIN-
GND
TC-
Types K, J, T,
N, E, B, S, R
2015-2019 Microchip Technology Inc.
DS20005426F-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP9601 Datasheet

Thermocouple EMF to Temperature Converter

No Preview Available !

Package Types
MCP9600/L00/RL00
5 mm × 5 mm MQFN*
20 19 18 17 16
GND 1
15 Alert 4
VIN+ 2
GND 3
VIN- 4
GND 5
14 Alert 3
EP
21 13 GND
12 Alert 2
11 Alert 1
6 7 8 9 10
MCP960X/L0X/RL0X
MCP9601/L01/RL01
5 mm × 5 mm MQFN*
20 19 18 17 16
GND 1
15 Alert 4
VIN+ 2
GND 3
VIN- 4
GND 5
14 Alert 3
EP
21 13 GND
12 Alert 2
11 Alert 1
6 7 8 9 10
* Includes Exposed Thermal Pad (EP); see Table 3-1.
MCP960X/L0X/RL0X Block Diagram
+ VIN+
VIN-
ADC Core
Del Sig
Error Correction
Digital Filter
Thermocouple
Type Selection
VSENSE
Open Circuit Alert
Short Circuit Alert
Open Circuit
& Short Circuit
Detection
MCP9601/L01/RL01
Only
User Registers
Thermocouple Hot-Junction TH
Junctions Delta Temperature T
Thermocouple Cold-Junction TC
Sensor Status
Sensor Configuration
Device Resolution + Power Modes
Alert Config. Registers Alert Registers
Hysteresis Registers
Device ID
I2C Module
Alert 1 Output
Alert 2 Output
Alert 3 Output
Alert 4 Output
SCL
SDA
ADDR
2015-2019 Microchip Technology Inc.
DS20005426F-page 2


Part Number MCP9601
Description Thermocouple EMF to Temperature Converter
Maker Microchip
Total Page 30 Pages
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