TLV2544QDRG4

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The TLV2544QDRG4 is an eight-channel, high-precision analog-to-digital converter designed to support applications in the areas of data acquisition, image sensing, medical imaging, instrumentation, power-management, and process control. It is ideal for applications that require high resolution, low-noise performance, and flexibility. The TLV2544QDRG4 features a 16-bit conversion resolution (±1LSB maximum) over an input voltage range from ±2.5V to ±10V. It has a maximum offset error of 0.25LSB, drift of 0.4μV/°C, gain error of 0.8%, settling time of 16 μs, and noise of 2.5μV RMS.

The TLV2544QDRG4 is an integrated solution, allowing designers to reduce development time with all components housed together in a single package. It offers 6-bit digital input construction (DIC) for precise control of conversion timing, adjustment of the gain and offset, precise control of the analog input voltage, and other control functions. The device also has an integrated temperatured compensated digital control loop that helps maintain and correct any errors in the analog input range, offset and gain elements. The TLV2544QDRG4 is suitable for cable, microphone and capacitive sensing type applications.

The TLV2544QDRG4 supports both asynchronous and synchronous operation. When operating in synchronous mode, the device samples up to 4 channels at a sampling rate of 24kHz, resulting in a maximum aggregate rate of 96kHz. Each channel supports a different conversion range, allowing for flexible input scaling and transcoding of analog data into digital data. The device supports a wide range of power supplies, including 3.3V and 5V operating supplies, and 4 different power pins and an independent ground pin, allowing the designer to spread the load and minimize noise.

The TLV2544QDRG4 includes a wide range of features to give designers greater flexibility in their application. It features an integrated autozero differential gain and offset circuit, allowing for precise gain/offset adjustment to minimize errors in the converter. It also supports a variety of data output formats, including two’s complement, offset binary and offset binary with sign, providing flexibility for applications requiring different types of data output. Additionally, the device includes a flexible power management system that can be configured for either single-ended or differential operation.

The TLV2544QDRG4 features high accuracy and low noise performance, with a low-noise floor of 2.5μV RMS. It also offers excellent linearity and low-offset errors, with a maximum offset error of 0.25LSB and a maximum gain error of 0.8%. It is designed to operate over a wide supply range, allowing designers to use the same design across multiple voltage levels. With its integrated feature set, the TLV2544QDRG4 is an ideal solution for applications requiring high accuracy and low noise performance.

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