THS1401IPFB

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Data Acquisition – Analog to Digital Converters (ADC)

The THS1401IPFB is an integrated, low-power, dual-channel analog-to-digital converter (ADC) designed for applications requiring high dynamic performance, such as medical imaging systems, instrumentation systems, and communication systems. This device is ideal for replacing multiple, complex circuits with a single, integrated solution, significantly reducing the bill of material costs and board area, and improving the design reliability.

The THS1401IPFB includes two complete, independent, 12-bit, low-power, wideband analog-to-digital converters with a sampling rate of up to 125 MSPS. It also contains a 1:2 digital sequencer, allowing the device to support simultaneous sampling modes and single converter operation modes. In addition, the device has a high frequency reference, delay continuity and low-noise reference to reduce clock jitter.

The main features of this device are as follows:

• High speed: With a sampling rate of up to 125 MSPS, this device is ideal for high-speed, wideband applications.
• Low power consumption: The device can operate in an ultra-low-power mode, consuming just 1.8 mW.
• High resolution: The device can convert two 12-bit analog signals at 125 MSPS.
• Flexible: The device supports simultaneous sampling modes and single converter operation modes.
• Low noise reference and control: The device contains a high-frequency reference, delay continuity and low-noise reference to reduce clock jitter.
• Integrated: The device is integrated with a 1:2 digital sequencer, eliminating the need for external components.

The working principle of the THS1401IPFB is simple but effective. The device contains two independent analog-to-digital converters. The analog input signals are first converted to digital form using a 12-bit ADC. These digital signals are then passed through a low-noise reference and control block, which reduces clock jitter and improves signal performance. Finally, the digital signals are outputted in parallel to the user.

The device supports two operational modes: simultaneous sampling and single converter operation mode. In the simultaneous sampling mode, the two ADCs are triggered simultaneously and the results are outputted in parallel to the user. In the single converter operation mode, the two ADCs are triggered individually, with the results from the first ADCs stored in an internal latch until the second ADC has been triggered. Once the second ADC has been triggered, both sets of data values are outputted in parallel.

The THS1401IPFB is an extremely useful device for applications that require analog-to-digital conversion. It offers high performance with a high speed, low power consumption and high resolution. The device also features a low noise reference and control block and is integrated with a 1:2 digital sequencer, thus eliminating the need for external components. This device is ideal for replacing multiple, complex circuits with a single, integrated solution, significantly reducing the bill of material costs and board area, and improving the design reliability.

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