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PCM5121 Datasheet(PDF) 1 Page - Texas Instruments |
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PCM5121 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 121 page  DOUT BT Module PCM1863/5 I 2 S BCK AUX IN 2ch Single Ended Analog Sensor - Light Intensity - Ultrasonic - Battery Level LRCK 2ch Single Ended PCM512x Audio Processing Blocks, Filters Current Segment DAC MSP430 WiLAN chip TPA3130 TPA6120A2 Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. PCM5121, PCM5122 SLAS763C – AUGUST 2012 – REVISED OCTOBER 2018 PCM512x 2-VRMS DirectPath™, 112-dB and 106-dB Audio Stereo DACs With 32-Bit, 384-kHz PCM Interface 1 1 Features 1 • Register-Selectable Audio-Processing Functions up to 48-kHz fS – Dynamic Range Control (DRC) – Equalization (EQ) – Filtering • DAC Functionality to 384-kHz fS • Market-Leading Low Out-of-Band Noise • Selectable Digital-Filter Latency and Performance • No DC-Blocking Capacitors Required • Integrated Negative Charge Pump • Intelligent Muting System; Soft Up or Down Ramp and Analog Mute for 120-dB Mute SNR • Integrated High-Performance Audio PLL With BCK Reference to Generate SCK Internally • Accepts 16-, 20-, 24-, and 32-Bit Audio Data • PCM Data Formats: I2S, Left-Justified, Right- Justified, TDM / DSP • SPI or I2C Control • Software or Hardware Configuration • Automatic Power-Save Mode When LRCK and BCK are Deactivated • 1.8-V or 3.3-V Failsafe LVCMOS Digital Inputs • Single Supply Operation: – 3.3-V Analog, 1.8-V or 3.3-V Digital • Integrated Power-On Reset • Small28-Pin Package 2 Applications • A/V Receivers • DVD, BD Players • HDTV Receivers • Applications Requiring 2-VRMS Audio Output 3 Description The PCM512x devices are a family of monolithic CMOS-integrated circuits that include a stereo digital- to-analog converter and additional support circuitry in a small TSSOP package. The PCM512x uses the latest generation of TI’s advanced segment-DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. Members of the PCM512x family integrate preset audio processing functions with programmable coefficients, allowing developers to change the characteristics of the interpolation filter, speaker EQ, dynamic range controls, and average volume control in their products. The PCM512x provides 2.1-VRMS ground-centered outputs, allowing designers to eliminate DC-blocking capacitors on the output, as well as external muting circuits traditionally associated with single supply line drivers. The integrated line driver surpasses all other charge- pump-based line drivers by supporting loads down to 1 kΩ. By supporting loads down to 1 kΩ, the PCM512x can essentially drive up to 10 products in parallel (LCD TV, DVDR, AV receivers, and so forth). The integrated PLL on the device removes the requirement for a system clock (commonly known as master clock), allowing a 3-wire I2S connection, along with reducing system EMI. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) PCM5121 TSSOP (28) 9.7 mm × 4.4 mm PCM5122 (1) For all available packages, see the package option addendum at the end of the data sheet. Simplified System Diagram |
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