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LTC1419IG from LINEAR

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LTC1419IG

Manufacturer: LINEAR, LT

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

Partnumber Manufacturer Quantity Availability
LTC1419IG LINEAR, LT 32 In Stock

Description and Introduction

14-Bit/ 800ksps Sampling A/D Converter with Shutdown The LTC1419IG 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:** Differential or Single-Ended  
- **Input Voltage Range:** ±2.5V (Differential), 0V to 5V (Single-Ended)  
- **DNL (Differential Non-Linearity):** ±0.5 LSB (Typical)  
- **INL (Integral Non-Linearity):** ±1 LSB (Typical)  
- **SNR (Signal-to-Noise Ratio):** 82 dB (Typical)  
- **THD (Total Harmonic Distortion):** -90 dB (Typical)  
- **Power Supply:** Single +5V  
- **Power Consumption:** 95 mW (Typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead SSOP  

### **Descriptions:**
- The LTC1419IG is a high-speed, low-power 14-bit ADC designed for precision data acquisition applications.  
- It features a high signal-to-noise ratio (SNR) and low distortion, making it suitable for demanding signal processing tasks.  
- The device includes an internal sample-and-hold circuit and a high-speed parallel interface for easy integration with microprocessors or DSPs.  

### **Features:**
- **High-Speed Conversion:** 1.25 MSPS throughput.  
- **Flexible Input Configuration:** Supports both differential and single-ended inputs.  
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **Internal Reference:** Includes a 2.5V precision reference.  
- **Wide Operating Temperature:** Suitable for industrial environments.  
- **Parallel Output Interface:** Simplifies interfacing with digital systems.  
- **No Missing Codes:** Ensures accurate 14-bit performance.  

This ADC is commonly used in medical imaging, communications, instrumentation, and industrial control systems.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD9240ASZ --: 14-bit 10 MSPS parallel ADC in the same speed and resolution class, pin-compatible family lineage from the original Linear Technology design team.
  • AD9244BSTZ --: 14-bit 40 MSPS ADC offering higher sampling rate headroom with similar parallel output interface and supply requirements.
  • ADS6149IRGZT --: 14-bit 125 MSPS ADC with comparable resolution and interface, suitable as a higher-performance drop-in alternative from a different vendor.
  • AD9244BSTZ-65 --: 14-bit high-speed ADC with parallel output and comparable sampling performance; good functional replacement when LTC1419 supply is constrained.
  • ADS8509IB --: 14-bit 250 kSPS SAR ADC with similar parallel interface and single 5V supply; suitable lower-speed alternative for applications not requiring full 800 kSPS throughput.

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