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PCM1861 Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1861 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 115 page  TMS320C5535 DOUT BT Module PCM1863/5 I 2 S BCK AUX IN 2ch Single Ended Analog Sensor PCM5121 TPA3116 TPA3116 PCM5100 BCK LRCK - Light Intensity - Ultrasonic - Battery Level LRCK 2ch Single Ended Burr-BrownAudio Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCM1861, PCM1863, PCM1865 SLAS831C – MARCH 2014 – REVISED AUGUST 2014 PCM186x 110dB 2ch and 4ch Audio ADCs with Universal Front End 1 Features 2 Applications 1 • Universal Analog Mic Input, 2.1VRMS Full Scale • Home Theater and TV • Automotive Head Units – 8 Analog Inputs with MUX and PGA • Bluetooth® Speaker – Analog pre-mix function before PGA/MUX • Microphone Array Processors – Single Ended, Pseudo-Differential or Differential Inputs with Mic Bias 3 Description – 4x Digital Microphone Inputs The PCM186x family of audio front-end devices takes • Up to 4 Mono ADC channels (PCM1865) a new approach to audio-function integration to ease • Hardware Control (PCM1861) compliance with European Ecodesign legislation • I2C or SPI Control (PCM1863/5) while enabling high-performance end products. With no need for a 5-volt supply or an external • H/W Programmable Gain Amplifier programmable-gain amplifier, smaller, smarter – Fixed Mic Pregain select : 20, 32dB (Analog) products are feasible at reduced cost. • S/W Programmable Gain Amplifier The PCM186x's highly flexible audio front end • Integrated High Performance Audio PLL supports input levels from small-mV microphone • Single 3.3V Supply for Analog and Digital inputs to 2.1VRMS line Inputs without external resistor dividers. The PCM186x family integrates many – Additional 1.8V Core and Interface for lower system-level functions that assist or replace some power consumption DSP functions. • Power Dissipation at 3.3V: <85mW (PCM1861/3), All these features are available using a single 3.3V <145mW (PCM1865) power supply. An integrated bandgap voltage • 'Energysense' Audio Content Detector - for auto reference provides excellent PSRR, so that a system wakeup and sleep dedicated analog 3.3V rail may not be required. • Master or Slave Audio Interface: Device Information(1) • Mixer functionality: ORDER NUMBER PACKAGE BODY SIZE – Digital Mixer to mix ADC outputs and I2S PCM1861 synchronous inputs PCM1863 TSSOP (30) 7.80mm × 4.40mm – Zero Crossing PGA Gain changes PCM1865 • Automatic PGA Clipping Suppression control (1) For all available packages, see the orderable addendum at • PCB-footprint compatibility across all 3 devices the end of this document. Simplified Application Diagrams 1 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. |
Similar Part No. - PCM1861 |
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Similar Description - PCM1861 |
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