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LTC2446CUHF#PBF from LINEAR

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LTC2446CUHF#PBF

Manufacturer: LINEAR

24-Bit High Speed 8-Channel Delta Sigma ADCs with Selectable Multiple Reference Inputs

Partnumber Manufacturer Quantity Availability
LTC2446CUHF#PBF,LTC2446CUHFPBF LINEAR 105 In Stock

Description and Introduction

24-Bit High Speed 8-Channel Delta Sigma ADCs with Selectable Multiple Reference Inputs The LTC2446CUHF#PBF is a high-performance 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:** 1  
- **Interface Type:** SPI  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 38-Lead QFN (5mm x 7mm)  
- **Sampling Rate:** Programmable (3.5Hz to 880Hz)  
- **Noise Performance:**  
  - 0.45μV RMS at 3.5Hz  
  - 1.4μV RMS at 880Hz  
- **INL (Integral Nonlinearity):** ±2ppm  
- **Gain Error:** ±0.5% (max)  
- **Offset Error:** ±5μV (max)  

### **Descriptions:**  
The LTC2446CUHF#PBF is a high-precision, low-noise delta-sigma ADC designed for applications requiring high-resolution measurements. It features a flexible digital filter with programmable speed and resolution, allowing optimization for noise performance or throughput. The device operates from a single supply and includes an integrated oscillator, eliminating the need for external components.  

### **Features:**  
- **High Resolution & Accuracy:** 24-bit no missing codes, ±2ppm INL.  
- **Programmable Speed/Resolution Trade-off:** Adjustable output rate from 3.5Hz to 880Hz.  
- **Low Noise:** Sub-microvolt RMS noise at low speeds.  
- **Single-Cycle Settling:** No latency in conversion results.  
- **Internal Oscillator:** No external crystal or clock required.  
- **SPI-Compatible Serial Interface:** Easy interfacing with microcontrollers.  
- **Wide Supply Range:** Operates from 2.7V to 5.5V.  
- **Low Power Consumption:** 1.5mA typical at 3V.  

This ADC is suitable for precision measurement applications such as weigh scales, temperature sensing, and industrial process control.

Application Scenarios & Design Considerations

24-Bit High Speed 8-Channel Delta Sigma ADCs with Selectable Multiple Reference Inputs

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