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MAX667CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX667CSA

Manufacturer: MAXIM, MAX

+5V/Programmable Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
MAX667CSA MAXIM, MAX 824 In Stock

Description and Introduction

+5V/Programmable Low-Dropout Voltage Regulator The MAX667CSA is a precision, cold-junction-compensated thermocouple-to-digital converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Temperature Range:** 0°C to +1024°C (for K-type thermocouple)  
- **Resolution:** 0.25°C  
- **Accuracy:** ±8 LSB (for 0°C to +700°C)  
- **Supply Voltage:** +3V to +5.5V  
- **Current Consumption:** 1.5mA (typical)  
- **Conversion Time:** 0.17s (typical)  
- **Interface:** SPI-compatible serial output  
- **Cold-Junction Compensation:** Integrated  
- **Package:** 8-pin SOIC  

### **Descriptions:**
- The MAX667CSA converts the signal from a K-type thermocouple into a 12-bit digital output with cold-junction compensation.  
- It eliminates the need for additional signal conditioning or cold-junction compensation circuitry.  
- The device includes a built-in thermocouple break detection feature.  

### **Features:**
- **Cold-Junction Compensation:** On-chip circuitry compensates for ambient temperature variations.  
- **Simple SPI Interface:** Easy interfacing with microcontrollers.  
- **Thermocouple Break Detection:** Alerts if the thermocouple is disconnected.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Wide Supply Voltage Range:** Operates from +3V to +5.5V.  
- **High Resolution:** 0.25°C per LSB for precise measurements.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

+5V/Programmable Low-Dropout Voltage Regulator

Alternative Part Number

  • LT1121CS8-5 --: Low-dropout 5V regulator in SO-8 with similar current capability and pinout, widely available and a common drop-in for MAX667 applications.
  • LP2951CM --: Adjustable/fixed 5V low-dropout regulator in SO-8, functionally comparable to MAX667 with good availability and lower cost.
  • MC33269D-5.0 --: 5V low-dropout regulator in SO-8 with similar electrical characteristics, suitable as a second-source alternative for MAX667 designs.
  • LM2937-5.0 --: 5V low-dropout regulator with comparable dropout voltage and output current, available in SO-8 and TO-252 packages, suitable replacement when board layout allows package adaptation.

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