Quad Comparator The KA339 is a quad voltage comparator manufactured by Fairchild Semiconductor (FSC). Below are its specifications, descriptions, and features based on factual information:
### **Manufacturer:** Fairchild Semiconductor (FSC)
### **Part Number:** KA339
### **Description:**
The KA339 is a quad independent voltage comparator designed to operate from a single power supply over a wide voltage range. It is commonly used in applications such as level detection, analog-to-digital conversion, and oscillator circuits.
### **Key Features:**
- **Quad Independent Comparators:** Contains four independent voltage comparators in a single package.
- **Wide Single-Supply Voltage Range:** Operates from **2V to 36V** (or dual supplies of **±1V to ±18V**).
- **Low Supply Current Drain:** Typically **0.8mA** per comparator.
- **Low Input Bias Current:** **25nA** (typical).
- **Low Input Offset Current:** **±5nA** (typical).
- **Low Input Offset Voltage:** **±2mV** (typical).
- **Common-Mode Input Voltage Range:** Includes ground (0V).
- **Differential Input Voltage Range:** Equal to the supply voltage.
- **Output Voltage Compatible with TTL, MOS, and CMOS Logic Levels.**
- **Open-Collector Outputs:** Allows for wired-OR connections.
### **Applications:**
- Voltage level detection
- Analog-to-digital converters (ADCs)
- Oscillators and pulse generators
- Industrial controls
- Automotive systems
### **Package Options:**
- **DIP-14 (Plastic Dual In-Line Package)**
- **SOIC-14 (Small Outline Integrated Circuit)**
This information is based on Fairchild Semiconductor's datasheet for the KA339.
