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LH5498-50

CMOS 2K X 9 FIFO

Partnumber Manufacturer Quantity Availability
LH5498-50,LH549850 80 In Stock

Description and Introduction

CMOS 2K X 9 FIFO The part **LH5498-50** is a high-speed, low-power 8-bit analog-to-digital converter (ADC) manufactured by **Linear Technology (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Resolution:** 8 bits  
- **Sampling Rate:** 50 MSPS (Mega Samples Per Second)  
- **Input Voltage Range:** 2 Vpp (peak-to-peak)  
- **Power Supply:** Single +5V  
- **Power Consumption:** 300 mW (typical)  
- **DNL (Differential Non-Linearity):** ±0.5 LSB (max)  
- **INL (Integral Non-Linearity):** ±0.75 LSB (max)  
- **Signal-to-Noise Ratio (SNR):** 48 dB (typical)  
- **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)  

### **Features:**  
- **Low Power Operation:** Optimized for power-sensitive applications.  
- **On-Chip Sample-and-Hold:** Ensures accurate signal acquisition.  
- **TTL/CMOS-Compatible Outputs:** Easy interfacing with digital systems.  
- **Wide Input Bandwidth:** Suitable for high-frequency signal processing.  
- **Internal Voltage Reference:** Simplifies external circuitry.  

### **Applications:**  
- **Video Processing**  
- **Digital Oscilloscopes**  
- **Medical Imaging**  
- **Communications Systems**  
- **High-Speed Data Acquisition**  

This ADC is designed for applications requiring high-speed conversion with moderate resolution while maintaining low power consumption.

Application Scenarios & Design Considerations

CMOS 2K X 9 FIFO

Alternative Part Number

  • CY7C199-25PC --: 32K x 8 asynchronous SRAM with 25 ns access time, functionally equivalent to the LH5498-50 and widely available in a DIP package.
  • AS7C256-25PC --: 32K x 8 low-power CMOS SRAM with 25 ns speed grade, pin-compatible replacement for the LH5498-50 in most legacy designs.
  • IS61C256AH-25N --: 32K x 8 high-speed CMOS SRAM with 25 ns access time, a common drop-in alternative for the LH5498-50 in through-hole applications.

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