Monolithic Sample and Hold Circuit The LF398MX is a monolithic sample-and-hold integrated circuit manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** National Semiconductor (NS)
- **Type:** Sample-and-Hold IC
- **Operating Voltage Range:** ±5V to ±18V
- **Input Voltage Range:** ±10V
- **Hold Step (ΔV):** 0.5mV (typical)
- **Acquisition Time (to 0.01%):** 6µs (typical)
- **Droop Rate:** 0.5µV/µs (typical)
- **Gain Error:** 0.002% (typical)
- **Nonlinearity:** 0.006% (typical)
- **Power Supply Rejection Ratio (PSRR):** 86dB (typical)
- **Operating Temperature Range:** -55°C to +125°C
- **Package:** 8-Pin SOIC (LF398MX)
### **Descriptions:**
- The LF398MX is designed for precision signal acquisition and hold applications.
- It features high-speed acquisition, low droop rate, and high accuracy.
- The device includes an internal hold capacitor and can be used with an external capacitor for improved performance.
- It is suitable for data conversion, analog storage, and signal processing applications.
### **Features:**
- **Low Hold Step:** Ensures minimal voltage change during hold mode.
- **Fast Acquisition Time:** Enables rapid sampling of input signals.
- **High Input Impedance:** Reduces loading effects on the source.
- **Low Output Noise:** Maintains signal integrity.
- **Wide Operating Voltage Range:** Supports flexible power supply configurations.
- **Internal Hold Capacitor:** Simplifies circuit design.
- **High PSRR:** Minimizes power supply noise impact.
This information is based on the manufacturer's datasheet and technical documentation.
