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LTC1419AISW from LT

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LTC1419AISW

Manufacturer: LT, LINEAR

14-Bit/ 800ksps Sampling A/D Converter with Shutdown

Partnumber Manufacturer Quantity Availability
LTC1419AISW LT, LINEAR 47 In Stock

Description and Introduction

14-Bit/ 800ksps Sampling A/D Converter with Shutdown The LTC1419AISW is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 14-bit  
- **Sampling Rate:** 1.25 MSPS (Million Samples Per Second)  
- **Input Type:** Single-ended or Differential  
- **Input Voltage Range:** ±2.5V (Bipolar) or 0V to 5V (Unipolar)  
- **DNL (Differential Non-Linearity):** ±1 LSB (max)  
- **INL (Integral Non-Linearity):** ±1.5 LSB (max)  
- **SNR (Signal-to-Noise Ratio):** 82 dB (typ)  
- **THD (Total Harmonic Distortion):** -90 dB (typ)  
- **Power Supply:** Single +5V  
- **Power Consumption:** 95 mW (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead SOIC (SW)  

### **Descriptions:**
- The LTC1419AISW is a high-speed, low-power 14-bit ADC with excellent DC accuracy and dynamic performance.  
- It includes an internal reference and a high-speed parallel interface for easy integration with microprocessors or DSPs.  
- Suitable for applications requiring high precision and fast conversion rates, such as data acquisition, medical imaging, and industrial instrumentation.  

### **Features:**
- **High-Speed Conversion:** 1.25 MSPS throughput.  
- **Flexible Input Range:** Supports both unipolar (0V to 5V) and bipolar (±2.5V) operation.  
- **Internal Reference:** On-chip 2.5V reference simplifies design.  
- **Low Power:** Consumes only 95 mW at full speed.  
- **Parallel Interface:** Easy interfacing with microcontrollers or FPGAs.  
- **No Pipeline Delay:** Provides accurate real-time sampling.  
- **Wide Temperature Range:** Operates reliably in industrial environments (-40°C to +85°C).  

This ADC is designed for precision applications where high resolution and fast conversion rates are critical.

Application Scenarios & Design Considerations

14-Bit/ 800ksps Sampling A/D Converter with Shutdown

Alternative Part Number

  • AD7892ARZ-1 --: 14-bit parallel ADC with similar sampling rate and 5V supply, pin-compatible function in many designs and from the same analog IC family lineage.
  • ADS8509IBDW --: 14-bit SAR ADC with parallel interface and comparable speed/accuracy, suitable drop-in for many LTC1419 applications with minor layout changes.
  • MAX1156BEUI --: 14-bit parallel-output ADC with similar resolution and throughput, usable as an alternative when supply and timing are adjusted.
  • AD9240AS --: 14-bit 10 MSPS parallel ADC in a similar speed and resolution class, pin-compatible family lineage from the same vendor after the Linear Technology merger.
  • ADS8509IB --: 14-bit 250 kSPS SAR ADC with similar serial/parallel interface options and comparable accuracy, suitable as a functional substitute in many designs.
  • MAX125CCAX --: 14-bit multi-channel ADC with comparable sampling performance and supply requirements, offering a viable alternative when the original part is unavailable.

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