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LM339D

Quad Single Supply Comparators

Partnumber Manufacturer Quantity Availability
LM339D 2196 In Stock

Description and Introduction

Quad Single Supply Comparators The LM339D is a quad voltage comparator manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** 2V to 36V (single supply) or ±1V to ±18V (dual supply)  
- **Low Supply Current (Independent of Supply Voltage):** 0.8mA (typical)  
- **Low Input Bias Current:** 25nA (typical)  
- **Low Input Offset Current:** 5nA (typical)  
- **Input Offset Voltage:** 2mV (typical)  
- **Differential Input Voltage Range:** Equal to the supply voltage  
- **Output Saturation Voltage:** 250mV (typical) at 4mA  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** SOIC-14  

### **Description:**  
The LM339D consists of four independent precision voltage comparators designed to operate from a single power supply over a wide voltage range. It features low input offset voltage and low bias current, making it suitable for battery-powered applications. The output is an open-drain transistor, allowing wired-OR connections.

### **Features:**  
- **Wide Single-Supply or Dual-Supply Operation**  
- **Low Input Bias Current**  
- **Low Input Offset Voltage**  
- **Common-Mode Input Voltage Range Includes Ground**  
- **Differential Input Voltage Range Equal to Supply Voltage**  
- **TTL, DTL, ECL, MOS, and CMOS Compatible Outputs**  
- **ESD Clamps on Inputs Increase Ruggedness**  

The LM339D is commonly used in industrial, automotive, and consumer applications for voltage monitoring, level detection, and analog-to-digital conversion.

Application Scenarios & Design Considerations

Quad Single Supply Comparators

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