AD7891YS-2

The AD7891YS-2 is an integrated circuit (IC) component that belongs to the AD7891 family of high-speed, high-precision analog-to-digital converters (ADCs) manufactured by Analog Devices Inc. This specific variant, the AD7891YS-2, is a 12-bit ADC with a number of notable features that make it suitable for various applications that demand high accuracy and speed. Let's delve into its key features: 1. Resolution: The AD7891YS-2 offers a resolution of 12 bits, allowing it to convert analog input signals into digital values with fine granularity. 2. Sampling Rate: It supports a fast consecutive sampling rate of up to 100,000 samples per second (100 kHz), enabling real-time data acquisition and processing. 3. Input Voltage Range: The ADC can handle a wide input voltage range, from 0V to a maximum of VREF. VREF is determined by the external reference voltage applied to the VREF input pin, which allows flexibility in adapting to different input signal levels. 4. Single-Ended or Differential Inputs: The AD7891YS-2 provides four input channels that can be configured as either single-ended or differential inputs, offering versatility in handling various input signal types. 5. Built-in Track-and-Hold Amplifier (THA): The IC incorporates a track-and-hold amplifier, which optimizes the system's overall performance by precisely capturing and holding analog input signals during the conversion process