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LM339APW from TI,Texas Instruments

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LM339APW

Manufacturer: TI

Quad, General Purpose Differential Comparator

Partnumber Manufacturer Quantity Availability
LM339APW TI 14 In Stock

Description and Introduction

Quad, General Purpose Differential Comparator The LM339APW is a quad voltage comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Number of Channels:** 4  
- **Supply Voltage (VCC):** 2V to 36V (single supply) or ±1V to ±18V (dual supply)  
- **Input Offset Voltage (Max):** 5mV  
- **Input Bias Current (Max):** 250nA  
- **Response Time (Typ):** 1.3μs  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TSSOP-14  
- **Output Type:** Open Collector  

### **Descriptions:**  
The LM339APW consists of four independent precision voltage comparators designed to operate from a single power supply over a wide voltage range. It features low input bias current and offset voltage, making it suitable for precision applications.  

### **Features:**  
- Wide single-supply voltage range (2V to 36V)  
- Low input bias current: 25nA (typical)  
- Low input offset voltage: 2mV (typical)  
- Open-collector outputs for wired-OR connections  
- Compatible with TTL, CMOS, and MOS logic  
- ESD protection (2kV HBM)  

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

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Quad, General Purpose Differential Comparator

Alternative Part Number

  • LM339PW --: Same quad comparator family in TSSOP package, standard grade without the precision offset spec, widely available and pin-compatible.
  • LM2901PW --: Quad differential comparator in TSSOP with similar electrical characteristics and wider temperature range, a common drop-in substitute.
  • LM339AD --: Second-source quad comparator with low input offset voltage in SOIC package, functionally equivalent and easy to source.

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