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LF398M

Monolithic Sample and Hold Circuit

Partnumber Manufacturer Quantity Availability
LF398M 123 In Stock

Description and Introduction

Monolithic Sample and Hold Circuit The LF398M is a monolithic sample-and-hold integrated circuit manufactured by **Texas Instruments**.  

### **Key Specifications:**  
- **Supply Voltage Range:** ±5V to ±18V  
- **Input Voltage Range:** ±10V (with ±15V supplies)  
- **Gain Accuracy:** 0.002% typical  
- **Hold Mode Feedthrough:** 0.5mV/µs typical  
- **Acquisition Time (to 0.01%):** 6µs typical (with 1kΩ source impedance)  
- **Hold Step:** ±2mV typical  
- **Operating Temperature Range:** -25°C to +85°C  

### **Descriptions:**  
- The LF398M is designed for precision signal acquisition and retention.  
- It features **low droop rate** and **high-speed sampling**.  
- Includes an internal hold capacitor for improved performance.  
- Compatible with TTL, PMOS, and CMOS logic levels for control inputs.  

### **Features:**  
- **Ultra-low droop rate** (0.5µV/µs typical)  
- **Low input offset voltage** (3mV max)  
- **High bandwidth** (1MHz typical)  
- **Low output noise** in hold mode  
- **Internal hold capacitor** (optional external capacitor for improved performance)  
- **TTL, PMOS, and CMOS-compatible logic inputs**  

The LF398M is commonly used in **data acquisition systems, analog-to-digital converters (ADCs), and signal processing applications**.

Application Scenarios & Design Considerations

Monolithic Sample and Hold Circuit

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