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LM331AN from NSC,National Semiconductor

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LM331AN

Manufacturer: NSC

Precision Voltage-to-Frequency Converter

Partnumber Manufacturer Quantity Availability
LM331AN NSC 9068 In Stock

Description and Introduction

Precision Voltage-to-Frequency Converter The LM331AN is a precision voltage-to-frequency converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Supply Voltage Range:** 4V to 40V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Frequency Range:** 1Hz to 100kHz  
- **Linearity Error:** ±0.01% (typical)  
- **Temperature Drift:** ±50ppm/°C (typical)  
- **Output Drive Capability:** Open-collector digital output  
- **Power Consumption:** Low (typically 6mA at 15V)  

### **Descriptions:**  
The LM331AN converts an analog voltage input into a proportional frequency output, making it useful in applications like analog-to-digital conversion, frequency modulation, and tachometers. It features excellent linearity and stability over temperature variations.  

### **Features:**  
- High accuracy and linearity  
- Wide dynamic range (100dB at 10kHz)  
- Adjustable scale factor with external resistors and capacitors  
- Single or dual supply operation  
- Low power consumption  
- Easy interfacing with digital systems  

The device is available in an 8-pin DIP (Dual In-line Package).  

(Note: NSC (National Semiconductor) is now part of Texas Instruments.)

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