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ES9826 Datasheet(PDF) 1 Page - ESS Technology,Inc |
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ES9826 Datasheet(HTML) 1 Page - ESS Technology,Inc |
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1 / 88 page  Analog Reinvented ES9826 32-bit High performance 2 Channel ADC w/PGA Product Datasheet ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 1 +123dB DNR per channel (w/ ARE) +115dB DNR per channel (w/o ARE) -105dB THD+N per channel Unprecedented dynamic range and very low distortion High Sample Rates Up to PCM 768kHz through I2S and TDM output Auto Ranging Enhancement (ARE) Optional feature for enhancing performance Customizable filter characteristics 8 presets of digital optimal filters Programmable gain amplifier (PGA) w/ selectable input impedance PGA frontend with +0-30dB gain in 3dB steps with 2.5kΩ or 10kΩ input impedance Programmable microphone bias (MIC Bias) Integrated programmable microphone bias regulator for BOM reduction costs Stereo PDM digital microphones are also supported Integrated Analog PLL Improved low jitter Analog PLL to generate clock and eliminate need for oscillator. Multiple Output formats available PCM, TDM, and S/PDIF outputs are available. I2C, SPI, and Hardware interface control Configured by microcontroller or other I2C/SPI source, or set mode through Hardware Mode to avoid programming registers. Ultra-Low Noise Floor Bandwidth 200kHz bandwidth enabling higher resolution at higher sample rates Integrated low noise ADC reference regulators Reduced BOM cost, PCB area and improved DNR if required Low Power Consumption Simplifies power supply design Low Pin Count Standardized Packaging 5mm x 5mm, 28 pin QFN The SABRE® ES9826 is a 32-bit analog-to-digital (A/D) converter targeted for professional audio applications such as recording systems, professional microphones, video conferencing, digital turntables, IP network camera systems, smart speakers, and other consumer applications. The ES9826 has 2 integrated ADCs which use ESS’ patented Hyperstream® IV ADC architecture, and a front-end PGA which delivers unprecedented audio sound quality and specifications, including a DNR of +123dB and a THD+N of -105dB in 2 channel mode with a 2.5kΩ input impedance. The ES9826 introduces a new optional Auto Ranging Enhancement (ARE) function that broadens the dynamic range of the source material while maintaining audio integrity. The SABRE ADC supports S/PDIF, I2S/LJ master/slave, and TDM digital output formats. The ES9826 can be controlled by software (I2C/SPI) or hardware mode (HW) to reduce or eliminate programming with external source. A programmable microphone bias regulator is integrated for reduction of BOM requirements when using analog microphones. Built-in digital filters with pre-programmed filter coefficients that allow for sound and latency preferences. The ES9826 has an Ultra-Low Noise Floor Bandwidth of 200kHz. This bandwidth is up to 10 times wider than the competition, enabling higher resolution at higher sample rates. FEATURE DESCRIPTION |
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