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LTC1402IGN from LT

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LTC1402IGN

Manufacturer: LT, LTC

Serial 12-Bit/ 2.2Msps Sampling ADC with Shutdown

Partnumber Manufacturer Quantity Availability
LTC1402IGN LT, LTC 219 In Stock

Description and Introduction

Serial 12-Bit/ 2.2Msps Sampling ADC with Shutdown The LTC1402IGN is a high-speed, low-power, 14-bit analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 14-bit  
- **Sampling Rate:** 3Msps (Million samples per second)  
- **Input Voltage Range:** ±2.5V (differential or single-ended)  
- **Power Supply:** Single 3V or 5V operation  
- **Power Consumption:** 60mW (typical at 3Msps, 5V supply)  
- **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)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP  

### **Descriptions and Features:**  
- **High-Speed Performance:** 3Msps throughput with excellent dynamic performance.  
- **Low Power:** Optimized for battery-powered and portable applications.  
- **Flexible Input Range:** Supports differential or single-ended inputs.  
- **Internal Reference:** Includes a 2.5V reference (external reference option available).  
- **No Pipeline Delays:** Provides accurate real-time signal conversion.  
- **Serial Interface:** SPI-compatible for easy interfacing with microcontrollers.  
- **Shutdown Mode:** Reduces power consumption when not in use.  

The LTC1402IGN is suitable for applications such as communications, medical imaging, industrial data acquisition, and high-speed instrumentation.  

(Note: Always refer to the official datasheet for precise specifications and application details.)

Application Scenarios & Design Considerations

Serial 12-Bit/ 2.2Msps Sampling ADC with Shutdown

Alternative Part Number

  • AD9224ARSZ --: 12-bit 4 MSPS parallel ADC in SSOP, similar speed and resolution class to the LTC1402, pin-compatible family concept and widely available.
  • ADS7805U --: 16-bit 200 kSPS SAR ADC in SOIC with parallel interface, comparable precision and sampling architecture for instrumentation applications.
  • MAX1179BCUI --: 12-bit 1 MSPS parallel-output ADC in TSSOP, suitable drop-in style replacement for moderate-speed data acquisition designs.
  • ADS7816U --: 12-bit serial ADC in SOIC with comparable sampling performance, widely available and often used as a drop-in substitute in data acquisition designs.
  • MAX1951ESA --: 12-bit high-speed ADC in SOIC offering similar resolution and interface, suitable when the LTC1402 is unavailable.

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