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LTC2492CDE#PBF from LINEAR

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LTC2492CDE#PBF

Manufacturer: LINEAR

24-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation

Partnumber Manufacturer Quantity Availability
LTC2492CDE#PBF,LTC2492CDEPBF LINEAR 45 In Stock

Description and Introduction

24-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation The LTC2492CDE#PBF is a 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Resolution:** 24-bit  
- **Input Type:** Differential  
- **Number of Channels:** 2  
- **Interface Type:** I2C  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 14-DFN (3mm x 4mm)  
- **Sampling Rate:** Up to 7.5Hz (single-channel) or 3.75Hz (dual-channel)  
- **Input Voltage Range:** ±VREF (programmable reference)  
- **Reference Voltage:** External (supports ratiometric measurements)  
- **Integral Nonlinearity (INL):** ±2ppm of FSR (max)  
- **Noise Performance:** 0.5μVRMS (at 1.7Hz, gain = 1)  
- **Power Consumption:** 1.5mW (typical at 3V)  

### **Descriptions:**  
The LTC2492CDE#PBF is a high-precision, low-noise ADC designed for applications requiring accurate signal acquisition. It features an integrated oscillator, eliminating the need for external components. The I2C interface allows easy communication with microcontrollers.  

### **Features:**  
- **High Accuracy:** 24-bit resolution with no missing codes  
- **Low Noise:** Optimized for low-frequency measurements  
- **Flexible Inputs:** Supports differential or single-ended inputs  
- **Built-in PGA (Programmable Gain Amplifier):** Gains of 1, 4, 8, or 16  
- **Internal Oscillator:** No external crystal required  
- **Auto-Calibration:** Reduces offset and drift errors  
- **Wide Supply Range:** Operates from 2.7V to 5.5V  
- **Small Form Factor:** 14-pin DFN package  

This ADC is commonly used in industrial, medical, and instrumentation applications where high precision and low noise are critical.

Application Scenarios & Design Considerations

24-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation
Partnumber Manufacturer Quantity Availability
LTC2492CDE#PBF,LTC2492CDEPBF LT 53 In Stock

Description and Introduction

24-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation The LTC2492CDE#PBF is a high-performance, 24-bit delta-sigma ADC (Analog-to-Digital Converter) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 24-bit  
- **Input Type:** Differential  
- **Channels:** 2 (multiplexed)  
- **Sampling Rate:** Up to 7.5Hz (15Hz in Turbo Mode)  
- **Input Voltage Range:** ±VREF (programmable)  
- **Reference Voltage:** External (supports ratiometric measurements)  
- **Interface:** I²C (2-wire serial)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 16-Lead DFN (4mm × 3mm)  

### **Descriptions and Features:**  
- **High Accuracy:** Ultra-low noise (0.65μVRMS at 1.7Hz) and INL (Integral Non-Linearity) of ±2ppm.  
- **Flexible Input Configuration:** Accepts differential or single-ended signals with a built-in PGA (Programmable Gain Amplifier).  
- **Integrated Oscillator:** No external crystal required.  
- **Rejection of Interference:** Excellent 50Hz/60Hz rejection without external filtering.  
- **Low Power Consumption:** Typically 0.75mA (1.5mA in Turbo Mode).  
- **Auto-Calibration:** Eliminates offset and drift errors.  
- **Wide Supply Range:** Operates from 2.7V to 5.5V, suitable for battery-powered applications.  

This ADC is ideal for precision measurement applications such as temperature sensing, strain gauges, and industrial instrumentation.

Application Scenarios & Design Considerations

24-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation

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