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LF198H

Precision Sample and Hold Amplifier

Partnumber Manufacturer Quantity Availability
LF198H 55 In Stock

Description and Introduction

Precision Sample and Hold Amplifier The LF198H is a monolithic sample-and-hold circuit manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Input Voltage Range:** ±10V  
- **Supply Voltage Range:** ±5V to ±18V  
- **Gain Bandwidth Product:** 1 MHz  
- **Hold Step:** 0.5 mV (typical)  
- **Acquisition Time:** 6 µs (to 0.01% for 10V step)  
- **Droop Rate:** 0.5 µV/µs (typical)  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package:** 8-pin DIP (Dual Inline Package)  

### **Descriptions:**  
The LF198H is designed for precision signal acquisition and hold applications. It features low droop rate, high-speed acquisition, and low input offset voltage, making it suitable for data conversion systems, analog storage, and signal processing.  

### **Features:**  
- Low droop rate  
- High-speed acquisition  
- Low input offset voltage  
- TTL, PMOS, and CMOS compatible logic input  
- Internal hold capacitor included  
- Operates from ±5V to ±18V supplies  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Precision Sample and Hold Amplifier
Partnumber Manufacturer Quantity Availability
LF198H NS 2000 In Stock

Description and Introduction

Precision Sample and Hold Amplifier The LF198H is a monolithic sample-and-hold circuit manufactured by NS (National Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NS)  
- **Type:** Sample-and-Hold Circuit  
- **Operating Voltage Range:** ±5V to ±18V  
- **Hold Capacitor:** External (typically 0.001µF to 0.1µF)  
- **Acquisition Time:** 6µs (to 0.01% with 1µF hold capacitor)  
- **Droop Rate:** 0.5mV/ms (with 1µF hold capacitor)  
- **Input Voltage Range:** ±10V (for ±15V supplies)  
- **Gain Error:** 0.002% (typical)  
- **Nonlinearity:** 0.01% (typical)  
- **Power Supply Rejection Ratio (PSRR):** 86dB (typical)  

### **Descriptions:**
- The LF198H is designed for high-speed data acquisition and precision signal processing.  
- It features low droop rate and fast acquisition time, making it suitable for applications requiring accurate signal sampling.  
- The device includes internal hold capacitors and can be used with external capacitors for improved performance.  

### **Features:**
- **Low Droop Rate:** Ensures minimal voltage decay during hold mode.  
- **Fast Acquisition Time:** Enables quick sampling of input signals.  
- **High Accuracy:** Low gain error and nonlinearity for precise signal retention.  
- **Wide Operating Voltage:** Supports dual supply operation from ±5V to ±18V.  
- **Low Output Noise:** Minimizes interference in sensitive applications.  
- **TTL/CMOS-Compatible Logic Inputs:** Allows easy interfacing with digital control circuits.  

This information is based on the manufacturer's datasheet for the LF198H.

Application Scenarios & Design Considerations

Precision Sample and Hold Amplifier

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