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PCM1820 Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1820 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 130 page  TLV320ADC6120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC 1 Features • Multichannel high-performance ADC: – 2-channel analog microphones or line-in – 4-channel digital PDM microphones – Up to 2 analog and up to 2 digital microphone channels • ADC line and microphone differential input performance: – Dynamic range (DR): • 123-dB, dynamic range enhancer (DRE) enabled • 113-dB, DRE disabled – THD+N: –95 dB • ADC channel summing mode, DR performance: – 116-dB, DRE disabled, 2-channel summing • ADC input voltage: – Differential, 2-VRMS full-scale inputs – Single-ended, 1-VRMS full-scale inputs • ADC sample rate (fS) = 8 kHz to 768 kHz • Programmable channel settings: – Channel gain: 0 dB to 42 dB, 0.5-dB steps – Digital volume control: –100 dB to 27 dB – Gain calibration with 0.1-dB resolution – Phase calibration with 163-ns resolution • Programmable microphone bias or supply voltage generation • Low-latency signal processing filter selection • Programmable HPF and biquad digital filters • Automatic gain controller (AGC) • Voice activity detection (VAD) • I2C control interface • Integrated high-performance audio PLL • Automatic clock divider setting configurations • Audio serial data interface: – Format: TDM, I2S, or left-justified (LJ) – Word length: 16 bits, 20 bits, 24 bits, or 32 bits – Master or slave interface • Single-supply operation: 3.3 V or 1.8 V • I/O-supply operation: 3.3 V or 1.8 V • Power consumption for 1.8-V AVDD supply: – 9.5 mW/channel at 48-kHz sample rate 2 Applications • Smart speakers • IP network cameras • Professional microphones and wireless systems • Video conference systems 3 Description The TLV320ADC6120 is a Burr-Brown™ high- performance, audio analog-to-digital converter (ADC) that supports simultaneous sampling of up to two analog channels or four digital channels for the pulse density modulation (PDM) microphone input. The device supports line and microphone inputs, and allows for both single-ended and differential input configurations. The device integrates programmable channel gain, digital volume control, a programmable microphone bias voltage, a phase-locked loop (PLL), a programmable high-pass filter (HPF), biquad filters, low-latency filter modes, and allows for sample rates up to 768 kHz, and allows for sample rates up to 192 kHz. The device supports time-division multiplexing (TDM), I2S, or left-justified (LJ) audio formats, and can be controlled with the I2C interface. These integrated high-performance features, along with the ability to be powered from a single-supply of 3.3 V or 1.8 V, make the device an excellent choice for space-constrained audio systems in far- field microphone recording applications. The TLV320ADC6120 is specified from –40°C to +125°C, and is offered in a 20-pin WQFN package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TLV320ADC6120 WQFN (20) 3.00 mm × 3.00 mm with 0.5-mm pitch (1) For all available packages, see the package option addendum at the end of the data sheet. Audio Serial Interface (TDM, I 2S, LJ) PLL and Clock Generation Digital PDM Microphones Interface 4-channel I 2C Control Interface MICBIAS, Regulators and Voltage Reference Programmable Digital Filters, Biquads, AGC and DRE Stereo ADC with Front-End PGA IN1P IN1M IN2P_GPI1 IN2M_GPO1 MICBIAS_GPI2 VREF FSYNC BCLK SDOUT GPIO1 SDA SCL AREG DREG Thermal Pad (VSS) AVDD IOVDD Simplified Block Diagram TLV320ADC6120 SBASA92A – DECEMBER 2020 – REVISED JUNE 2021 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. - PCM1820 |
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Similar Description - PCM1820 |
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