AD2S82AJP

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The AD2S82AJP is a special-purpose multi-channel analog to digital converter (A/D converter), which is designed for the application field of data acquisition and signal processing. The signal range of the input is from 4.2V to 20V, with a resolution of 12-bit. The AD2S82AJP has two differential channel inputs. The A/D conversion time can reach 3.8μs.The AD2S82AJP integrates an extra functional block, namely the asynchronous sample-rate converter (SRC), which can convert the input sample rate of 32kHz to a fixed output sample rate of 8kHz. The output data format can be either 20-bit parallel (3-byte word aligned) or 24-bit parallel (4-byte word aligned).The AD2S82AJP has two power modes. In normal mode (applied with a nominal supply voltage of 4.2 V to 5.5 V), the power consumption is approximately 122 mW. In power-down mode, the power consumption is as low as 10mW. The converter also has an enable signal and a soft reset signal so that it can be easily integrated into any application.The AD2S82AJP offers an asynchronous serial interface that allows for programming, control and the transfer of data. This serial interface can be programmed up to a maximum of hardware dependent baud rates of 3.2 Mbit/s. Through this interface, communication can be conducted via SPI, UART, I2C, I2S and other serial interfaces.The AD2S82AJP includes a built-in over-temperature (OvT) and over-voltage (OvV) safety feature,which helps to protect the device from operating at higher operating temperatures and higher voltages than what it was designed for.The working principle of the AD2S82AJP is relatively simple: the device continuously performs sample and hold conversion, followed by multiplexer (MUX) selection and the conversion of the two differential inputs. The data acquired is then processed by the SRC and output as 3-byte or 4-byte words in digital format.Overall, the AD2S82AJP is an efficient and reliable device that enables fast and accurate data acquisition and signal processing in applications such as data acquisition, motor control, medical devices and audio applications. The AD2S82AJP integrates all necessary features that help to ensure a smooth and successful implementation of these applications.

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