PCM1864DBT

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The PCM1864DBT is a high-performance, low-power 10.8-V stereo analog-to-digital converter (ADC). It is a bridge-type circuit, ideal for applications that require a wide range of voltage inputs. The PCM1864DBT is suitable for use in automotive, medical, industrial, and consumer audio systems. It offers excellent linearity and low-signal-to-noise ratio (SNR). The PCM1864DBT is available in three packages: TSSOP, 0.4 mm DIP, and 8-pin VQFN.

The PCM1864DBT is designed for use in bridge-type input systems, such as microphone preamplifiers, automotive applications, and acoustic systems. The device features an advanced differential input architecture which enables accurate signal- to-noise ratio and total harmonic distortion over a wide range of signal levels. It is designed for operations at temperatures up to 105° C and has a power-on delay time of 1.3 ms. The device also features a programmable gain amplifier (PGA) which drastically reduces the need for external components. The integrated phase-locked loop (PLL) ensures low-jitter, phase- coherent clock generation, making the device suitable for use in audio systems.

The PCM1864DBT is available in a range of modes, such as dual-channel, stereo, and multi-channel, which makes it suitable for a wide range of applications. Its precise signal acquisition and low power consumption allows it to be used in battery powered devices. It also includes a highly efficient anti-jitter filter which reduces the effect of jitter on audio and other signals.

Working principle: The PCM1864DBT utilizes a bridge-type input architecture to sample analog signals from a wide range of voltage sources. The signal is first converted and processed by the built-in PGA and signal-conditioning circuitry and is then fed to an ADC converter. The ADC unit utilizes a differential input architecture with 10.8-V swing capability which enables the device to accurately capture low-level signals. The ADC data is then fed to the integrated PLL, which generates the reference clock signals. The clock signals are used to generate the digital output data which is then routed to the digital output pins.

The PCM1864DBT is an ideal solution for applications that require a low-power, high-performance ADC with a wide range of digital output formats. Its integrated PGA, anti-jitter filter, and differential input architecture make it a great choice for getting accurate, noise-free data from a wide range of sources. The device is also suitable for use in a variety of audio applications, as its high linearity and low SNR make it ideal for capturing music and other audio signals with clarity.

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