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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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DA7218 bảng dữ liệu(PDF) 1 Page - Renesas Technology Corp |
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DA7218 bảng dữ liệu(HTML) 1 Page - Renesas Technology Corp |
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1 / 198 page  DA7218 Ultra-Low Power Stereo Codec Datasheet Revision 3.4 24-Dec-2021 CFR0011-120-00 1 of 197 © 2021 Renesas Electronics General Description DA7218 is a high-performance, low-power audio codec optimized for use in portable applications or wearable devices. It has single-ended headphone outputs with headphone detect for use in accessories, offering excellent left to right channel separation and common mode noise rejection. DA7218 also has a stereo DAC to headphone output path and ultra-low power operating modes to support always-on audio detect applications. DA7218 contains two analog microphone input paths, or up to four digital microphone input paths, or a combination of both The other chip in this family, the DA7217 has differential headphone outputs without headphone detect, and has been designed for use inside headset devices. Key Features ■ High performance stereo DAC to headphone playback path with 110 dB dynamic range ■ 4 mW stereo playback power consumption ■ DAC digital filters with audio and voice mode options, five-band equalizer and five programmable biquad stages ■ Dedicated low-latency digital sideband filter with three programmable biquad stages ■ High performance microphone to ADC record path with a 105 dB dynamic range ■ 2.5 mW stereo record power consumption ■ ADC digital filters with audio and voice mode options ■ 500 µW always-on record mode with automatic level detection ■ Hybrid analog / digital automatic level control to dynamically control the record level ■ Shutdown mode offering current consumption during standby of 2.5 µA ■ Two low-noise microphone bias regulators with programmable output voltage and ultra- low power mode ■ Ability to differentiate between stereo and mono headsets ■ Automatic detection of headset removal and confirmation of headset insertion ■ Flexible digital mixing from all seven inputs to all six outputs with independent gain on each mixer path ■ Ability to run the ADCs at a different sample rate to the DACs on a single I2S interface ■ Digital tone generator with built-in support for DTMF ■ System controller for simplified, pop-free start- up and shutdown ■ Phase-locked loop with sample rate tracking supporting MCLK frequencies from 2 MHz to 54 MHz ■ Automatic tuning of on-chip reference oscillator for clock-free operation in low-power modes ■ 4-wire digital audio interface with support for I2S, four-channel I2S, TDM and other audio formats ■ 2-wire I2C compatible control interface with support for High Speed mode up to 3.4 MHz ■ 24-bit data at up to 96 kHz sample rate ■ A high efficiency two-level, true-ground charge pump for generating class-G headphone supplies ■ Voice mode filtering up to 32 kHz Applications ■ Wired headsets ■ Wired headphones ■ Audio accessories ■ Portable media players ■ Gaming console controllers ■ Tablets and eBooks |
Số phần tương tự - DA7218 |
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Mô tả tương tự - DA7218 |
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