AD9670BBCZ

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Data Acquisition – Analog Front End (AFE) systems play a critical role in connecting analog signals from the real world to digital systems. AD9670BBCZ is an ultra-compact and configurable analog front end (AFE) chip used to measure high-resolution signals from an array of sensors. Its integrated power multiplexer (PMUX) enables configurable high-precision input ranges in high-impedance bipolar, unipolar and differential voltage configurations. In addition to configurable input ranges, the AD9670BBCZ AFE also features a configurable 12-bit SAR-type ADC (successive approximation register) with a conversion rate of up to 65 MSPS (mega samples per second).

The AD9670BBCZ AFE is ideal for applications requiring high-accuracy digitization of high impedance signals such as media access controllers (MACs), pressure sensors and digital interface circuits (DICs). The integrated PMUX enables rapid switching between multiple input ranges and allows the device to precisely measure signals over a variety of conditions with minimal power consumption. The SAR ADC has a large margin of error to enable maximum accuracy of the input signals and minimizes the need for commonly-used components such as voltage references and ADCs.

The AD9670BBCZ AFE is also ideal for applications that require low-power and low-cost solutions. The power multiplexer enables users to switch between different input ranges without driving the supply voltage, reducing total power consumption and increasing the lifespan of the system. Additionally, the integrated SAR ADC requires minimal support components, reducing the cost of the system. The high configureability of the device allows users to implement specialized input ranges and high-accuracy implementations not possible in traditional AFEs.

The AD9670BBCZ AFE operates on a single supply voltage and features an internal reference voltage (VREF). It uses an input sampling frequency of up to 65 MSPS and features an 8-channel multiplexer allowing users to select between 8 different input ranges. It also features a low-noise differential amplifier to reduce common-mode noise that would otherwise interfere with the signal. The internal SAR ADC uses a 12-bit resolution and has a maximum conversion rate of 65 MSPS, depending on the input range selected.

The AD9670BBCZ AFE also features an integrated analog-to-digital converter (ADC) and a low-voltage reference voltage. The ADC supports 8-bit, 10-bit and 12-bit resolutions with a maximum conversion rate of 65 MSPS. The ADC is low power and is optimized for measuring low-level signals in a variety of applications. The low-voltage reference voltage (VREF) is used to accurately convert the analog signal to digital values and is generated by an internal bandgap reference.

In summary, the AD9670BBCZ AFE is an ultra-compact and configurable analog front end (AFE) chip used to measure high-resolution signals from an array of sensors. Its integrated power multiplexer (PMUX) enables configurable high-precision input ranges in high-impedance bipolar, unipolar and differential voltage configurations. The device also features an integrated SAR ADC with 12-bit resolution and a maximum conversion rate of up to 65 MSPS and features a low-voltage reference voltage (VREF) and an internal bandgap reference. The AD9670BBCZ is ideal for low-power and low-cost applications that require precision measurements of high-impedance signals.

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