MAX667MJA/883B

Product Overview

• Category: Integrated Circuit
• Use: Temperature Sensor
• Characteristics: High Accuracy, Low Power Consumption
• Package: Ceramic DIP
• Essence: Monolithic Thermocouple to Digital Converter
• Packaging/Quantity: Tube/25 pieces

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Conversion Time: 100ms (Typical)
• Resolution: 12 bits
• Thermocouple Types Supported: K, J, T, N, S, E, and B
• Cold Junction Compensation Range: -20°C to +80°C
• Output Format: SPI-Compatible Serial Interface

Detailed Pin Configuration

1. VCC: Supply Voltage
2. GND: Ground
3. CLK: Clock Input for SPI Communication
4. CS: Chip Select Input for SPI Communication
5. SO: Serial Data Output
6. TC+: Positive Terminal of Thermocouple
7. TC-: Negative Terminal of Thermocouple
8. CJC: Cold Junction Compensation Input

Functional Features

• Converts Thermocouple Voltage to Digital Temperature Reading
• Provides Cold Junction Compensation
• Supports Multiple Thermocouple Types
• High Resolution and Accuracy
• Low Power Consumption
• Fast Conversion Time

Advantages

• High accuracy ensures precise temperature measurements
• Wide operating temperature range allows for versatile applications
• Supports various thermocouple types, providing flexibility
• Fast conversion time enables real-time temperature monitoring
• Low power consumption prolongs battery life in portable devices

Disadvantages

• Limited to SPI communication interface
• Requires external cold junction compensation circuitry
• Not suitable for high-temperature applications above +85°C

Working Principles

The MAX667MJA/883B is a monolithic thermocouple to digital converter. It utilizes the Seebeck effect to measure temperature by converting the voltage generated by a thermocouple into a digital temperature reading. The device also incorporates cold junction compensation to account for temperature variations at the reference junction.

Detailed Application Field Plans

• Industrial Process Control
• HVAC Systems
• Food Processing
• Automotive
• Aerospace
• Medical Equipment

Alternative Models

1. MAX31855KASA+: Similar functionality with additional features like fault detection and open thermocouple detection.
2. AD8495ARMZ: Thermocouple amplifier with integrated cold junction compensation.
3. MCP9600-E/MS: Thermocouple EMF to temperature converter with built-in cold junction compensation and I2C interface.

Note: This entry provides an overview of the MAX667MJA/883B. For more detailed information, please refer to the datasheet provided by the manufacturer.

Word Count: 275