16-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation and I2C Interface The LTC2489CDE#TRPBF is a 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 24-bit  
- **Input Type:** Differential  
- **Input Voltage Range:** ±VREF  
- **Reference Voltage:** External  
- **Sampling Rate:** Up to 7.5Hz (with 50Hz/60Hz rejection)  
- **Interface:** I²C-compatible  
- **Operating Voltage:** 2.7V to 5.5V  
- **Power Consumption:** 1.5mW (typical at 3V)  
- **Temperature Range:** 0°C to 70°C  
- **Package:** 14-Lead DFN  

### **Features:**  
- **High Accuracy:** 24-bit no missing codes  
- **Integrated Oscillator:** No external components required  
- **50Hz/60Hz Rejection:** Built-in digital filtering  
- **Low Noise:** 600nV RMS noise at 1.7Hz output rate  
- **Flexible Input Range:** Can be configured for differential or single-ended operation  
- **Small Form Factor:** DFN package for space-constrained applications  

This ADC is designed for precision measurement applications such as temperature sensing, strain gauges, and industrial process control.

16-Bit 2-/4-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation and I2C Interface