Precision, CMOS Analog Switches The MAX318CPA is a precision analog IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)
- **Part Number:** MAX318CPA
- **Type:** Cold-Junction Compensated Thermocouple-to-Digital Converter
- **Package:** 8-Pin PDIP (Plastic Dual Inline Package)
- **Operating Temperature Range:** 0°C to +70°C
- **Supply Voltage Range:** ±5V to ±15V
- **Resolution:** 14-Bit
- **Thermocouple Types Supported:** K, J, T, N, S, R, E
- **Cold-Junction Compensation Accuracy:** ±1°C (typical)
- **Conversion Time:** 100ms (typical)
- **Reference Voltage Output:** 2.56V (for thermocouple excitation)
### **Descriptions:**
The MAX318CPA is a precision thermocouple-to-digital converter that provides cold-junction compensation and digitizes the thermocouple output. It is designed to interface directly with thermocouples and includes an onboard temperature sensor for cold-junction compensation. The device converts the thermocouple voltage into a digital output, making it suitable for temperature measurement applications in industrial, automotive, and instrumentation systems.
### **Features:**
- **Cold-Junction Compensation:** Built-in sensor eliminates the need for external compensation circuitry.
- **High Accuracy:** ±1°C accuracy for cold-junction compensation.
- **Wide Thermocouple Support:** Compatible with multiple thermocouple types (K, J, T, N, S, R, E).
- **14-Bit Resolution:** Provides precise temperature measurements.
- **Low Noise:** Optimized for stable readings in noisy environments.
- **Single-Supply or Dual-Supply Operation:** Supports ±5V to ±15V supplies.
- **Onboard Reference Voltage:** 2.56V reference for thermocouple excitation.
- **Serial Interface:** Simple digital output for easy microcontroller interfacing.
This information is based on the manufacturer's datasheet and technical documentation.
