24-Bit High Speed Differential Delta Sigma ADC with Selectable Speed/Resolution The **LTC2440IGN#PBF** is a high-performance 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by **Linear Technology (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Resolution:** 24-bit  
- **Interface Type:** SPI-compatible serial interface  
- **Input Type:** Differential  
- **Sampling Rate:** Programmable (1.8Hz to 3.5kHz)  
- **Input Voltage Range:** ±VREF (differential)  
- **Reference Voltage:** External (supports up to 5V)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP  

### **Features:**  
- **High Accuracy:** 24-bit no missing codes, 4ppm INL  
- **Low Noise:** 600nV RMS noise at 1.8Hz  
- **Flexible Speed/Resolution Trade-off:** Adjustable via pin or SPI commands  
- **Internal Oscillator:** No external clock required  
- **Auto Shutdown:** Reduces power consumption between conversions  
- **Single-Cycle Settling:** Fast response to input changes  

### **Applications:**  
- Precision measurement systems  
- Industrial process control  
- Weigh scales and strain gauges  
- Medical instrumentation  
- Data acquisition systems  

This ADC is designed for applications requiring high resolution, low noise, and flexible speed settings.

24-Bit High Speed Differential Delta Sigma ADC with Selectable Speed/Resolution