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LTC2420IS8 from LT

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LTC2420IS8

Manufacturer: LT

20-Bit uPower No Latency ADC in SO-8

Partnumber Manufacturer Quantity Availability
LTC2420IS8 LT 6647 In Stock

Description and Introduction

20-Bit uPower No Latency ADC in SO-8 The LTC2420IS8 is a high-performance, 20-bit delta-sigma analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Resolution:** 20 bits  
- **Input Type:** Differential  
- **Input Voltage Range:** ±VREF (where VREF is the reference voltage)  
- **Reference Voltage:** External (user-supplied)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Conversion Rate:** 3.5Hz (typical)  
- **Noise-Free Resolution:** 20 bits (at 3.5Hz)  
- **Integral Nonlinearity (INL):** ±2ppm of FSR (max)  
- **Differential Nonlinearity (DNL):** ±1ppm of FSR (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC (IS8)  

### **Descriptions:**  
The LTC2420IS8 is a low-noise, high-accuracy ADC that provides 20-bit resolution with no latency. It uses a delta-sigma architecture to achieve excellent linearity and low noise performance. The device operates from a single supply and includes an internal oscillator, eliminating the need for external components.  

### **Features:**  
- **No Latency:** Provides accurate conversions without settling time.  
- **Internal Oscillator:** No external clock required.  
- **Low Power:** 200µA typical supply current.  
- **Direct Sensor Interface:** Compatible with low-level signals.  
- **Single-Cycle Settling:** Achieves full accuracy in one conversion cycle.  
- **SPI-Compatible Serial Interface:** Easy interfacing with microcontrollers.  
- **Rail-to-Rail Input:** Supports a wide input range.  

This ADC is suitable for precision measurement applications, including industrial process control, instrumentation, and data acquisition systems.

Application Scenarios & Design Considerations

20-Bit uPower No Latency ADC in SO-8

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