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LTC1409CG from LINEAR

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LTC1409CG

Manufacturer: LINEAR, LT

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

Partnumber Manufacturer Quantity Availability
LTC1409CG LINEAR, LT 188 In Stock

Description and Introduction

12-Bit/ 800ksps Sampling A/D Converter with Shutdown The LTC1409CG is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 14-bit  
- **Sampling Rate:** 1.25 MSPS (Million Samples Per Second)  
- **Input Channels:** 2 (Differential or Single-Ended)  
- **Input Voltage Range:** ±2.5V (Differential)  
- **Power Supply:** Single +5V  
- **Power Consumption:** 95mW (Typical)  
- **DNL (Differential Nonlinearity):** ±0.5 LSB (Max)  
- **INL (Integral Nonlinearity):** ±1.5 LSB (Max)  
- **SNR (Signal-to-Noise Ratio):** 80dB (Typical)  
- **THD (Total Harmonic Distortion):** -90dB (Typical)  
- **Interface:** Parallel (8-bit or 16-bit bus)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-Lead SSOP  

### **Descriptions and Features:**  
- **High-Speed 14-Bit ADC:** Provides accurate conversion at 1.25 MSPS.  
- **Dual-Channel Input:** Supports two differential or single-ended inputs.  
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **No Missing Codes:** Ensures full 14-bit resolution.  
- **Internal Reference:** Includes a 2.5V reference (external reference option available).  
- **Flexible Interface:** Parallel output with byte-selectable (8/16-bit) mode.  
- **Wide Input Range:** ±2.5V differential input for high dynamic range.  
- **Auto Power-Down Mode:** Reduces power consumption when inactive.  

The LTC1409CG is suitable for applications requiring high-speed, high-resolution data acquisition, such as medical imaging, industrial instrumentation, and communications systems.  

(Note: All details are based on the manufacturer's datasheet.)

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD7892ARZ-1 --: 12-bit successive-approximation ADC with similar sampling rate and parallel interface, pin-compatible analog front-end behavior and widely available as a drop-in functional replacement.
  • ADS7805U --: 16-bit SAR ADC offering comparable or better resolution and speed, suitable for high-accuracy data acquisition designs replacing the LTC1409.
  • MAX196BCWI --: 12-bit multi-channel ADC with similar parallel output interface and supply requirements, a practical alternative when the LTC1409 is unavailable.
  • AD7892ANZ-1 --: 12-bit successive-approximation ADC with similar sampling rate and parallel interface, pin-compatible in many designs and widely available.
  • MAX186ACPP --: 12-bit ADC with comparable resolution and serial/parallel options, suitable functional replacement for data-acquisition applications.

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