MCP960X/L0X/RL0X
Thermocouple EMF to Temperature Converter,
±1.5°C Maximum Accuracy
Features
Description
• Thermocouple Electromotive Force (EMF) to °C
Converter:
The Microchip Technology Inc. MCP960X/L0X/RL0X
converts thermocouple EMF to degree Celsius with
integrated
cold-junction
compensation.
The
- Integrated cold-junction compensation
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.).
- Integrated thermocouple open-circuit and
short-circuit detection (MCP9601/L01/RL01)
• 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:
The MCP960X/L0X/RL0X digital Thermocouple
temperature converter 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.
- 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:
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.
- Shutdown mode
- Burst mode: 1 to 128 temperature samples
• Two-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)
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.
• Package: 20-Lead MQFN
Typical Applications
This sensor uses an industry standard two-wire, I2C
compatible serial interface and supports up to eight
devices per bus by setting the device address using the
ADDR pin.
• Petrochemical Thermal Management
• Hand-Held Measurement Equipment
• Industrial Equipment Thermal Management
• Commercial and Industrial Ovens
• Industrial Engine Thermal Monitor
• Temperature Detection Racks
V
DD
2
V
MCP9600/L00/RL00
V
T
T
I C
IN+
C+
MCU
C-
4
Alert
IN-
GND
ADDR
Types K, J, T,
N, E, B, S, R
2015-2021 Microchip Technology Inc.
DS20005426G-page 1