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LTC2428IG from LINEAR

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LTC2428IG

Manufacturer: LINEAR, LT

4-/8-Channel 20-Bit uPower No Latency ADCs

Partnumber Manufacturer Quantity Availability
LTC2428IG LINEAR, LT 74 In Stock

Description and Introduction

4-/8-Channel 20-Bit uPower No Latency ADCs The LTC2428IG is a 16-bit delta-sigma ADC (Analog-to-Digital Converter) manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 16 bits  
- **Input Channels:** 2 differential or 4 single-ended  
- **Conversion Rate:** 3.5Hz (default), up to 880Hz (programmable)  
- **Input Voltage Range:** ±VREF (differential)  
- **Reference Voltage:** External (supports up to 5V)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Power Consumption:** 200µA (typical at 3.5Hz), 1.5mA (typical at 880Hz)  
- **Interface:** SPI-compatible (4-wire)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP  

### **Descriptions:**
- The LTC2428IG is a high-precision, low-power ADC with an integrated oscillator, eliminating the need for external components.  
- It features automatic offset and full-scale calibration, ensuring high accuracy without user intervention.  
- The device supports both differential and single-ended input configurations, making it versatile for various applications.  
- It includes a proprietary digital filter that provides 50Hz/60Hz rejection without affecting throughput.  

### **Features:**
- **No Latency:** Provides accurate conversions without settling time.  
- **Programmable Speed/Noise Trade-off:** Adjustable conversion rate (3.5Hz to 880Hz).  
- **50Hz/60Hz Rejection:** Built-in noise filtering for industrial environments.  
- **Single-Cycle Settling:** Ensures fast response to input changes.  
- **Low Power:** Ideal for battery-powered applications.  
- **Internal Oscillator:** No external crystal or clock required.  
- **Auto-Calibration:** Eliminates offset and full-scale errors.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4-/8-Channel 20-Bit uPower No Latency ADCs

Alternative Part Number

  • AD7718BRUZ --: 8-channel 24-bit sigma-delta ADC with similar resolution and channel count, pin-compatible family from the same parent company.
  • MCP3428-E/SL --: 4-channel 16-bit delta-sigma ADC with I2C interface, suitable lower-resolution substitute for multi-channel sensing applications.
  • ADS1256IDBR --: 8-channel 24-bit delta-sigma ADC offering comparable precision and channel count for high-resolution data acquisition.
  • ADS1258IPAPR --: 16-channel 24-bit delta-sigma ADC offering higher channel count and comparable precision for multiplexed sensing.

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