Produktdetails

Number of ADC channels 2 Sampling rate (max) (kHz) 768 Analog inputs 2 Control interface I2C Digital audio interface I2S, L, TDM THD+N (dB) -95 ADC SNR (typ) (dB) 106 Rating Catalog Operating temperature range (°C) -40 to 125 Analog outputs 0
Number of ADC channels 2 Sampling rate (max) (kHz) 768 Analog inputs 2 Control interface I2C Digital audio interface I2S, L, TDM THD+N (dB) -95 ADC SNR (typ) (dB) 106 Rating Catalog Operating temperature range (°C) -40 to 125 Analog outputs 0
WQFN (RTE) 20 9 mm² 3 x 3
  • 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): 106 dB
    • THD+N: –95 dB
  • ADC channel summing mode, DR performance:
    • 109-dB, 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
  • 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): 106 dB
    • THD+N: –95 dB
  • ADC channel summing mode, DR performance:
    • 109-dB, 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

The TLV320ADC3120 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 TLV320ADC3120 is specified from –40°C to +125°C, and is offered in a 20-pin WQFN package.

The TLV320ADC3120 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 TLV320ADC3120 is specified from –40°C to +125°C, and is offered in a 20-pin WQFN package.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet TLV320ADC3120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC datasheet (Rev. A) PDF | HTML 25 Jun 2021
Application note TLV320ADCx140, TLV320ADCx120, PCMx120-Q1, PCMx140-Q1 Integrated Analog Anti-Aliasing Filter and Flexible Digit (Rev. B) PDF | HTML 10 Jan 2024
Application note Multiple TLV320ADCx140/PCMx140-Q1, TLV320ADCx120, and PCMx120-Q1 Devices With Shared TDM and I2C Bus (Rev. C) PDF | HTML 09 Jan 2024
Application note Analog Microphone and ADC System in Far-field Application (Rev. B) PDF | HTML 11 Dez 2023
Application note Increasing the Dynamic Range and SNR of Audio ADC With Channel Summation (Rev. A) PDF | HTML 28 Nov 2023
Application note Working With Analog Inputs in the TLV320ADCX120 and PCMX120-Q1 Family PDF | HTML 17 Jul 2023
Analog Design Journal Selecting capacitors to minimize distortion in audio applications (Rev. A) PDF | HTML 02 Mai 2023
Application note TLV320ADCx120 and PCMx120-Q1 Power Consumption Matrix Across Various Usage Scena (Rev. A) PDF | HTML 04 Apr 2022
Application note Configuring and Operating TLV320ADCx120 and PCMx120-Q1 as Audio Bus Controller (Rev. A) PDF | HTML 01 Apr 2022
Application note Input Common-Mode Tolerance & High CMRR Modes TLV320ADCx120 & PCMx120-Q1 Devices (Rev. A) PDF | HTML 01 Apr 2022
Application note TLV320ADCx120 & PCMx120-Q1 Sampling Rates & Prog. Processing Blocks Supported (Rev. A) PDF | HTML 01 Apr 2022
Application note TLV320ADCx120 and PCMx120-Q1 Programmable Biquad Filter Configuration and Apps (Rev. B) PDF | HTML 01 Apr 2022
Application note Using the Automatic Gain Controller in TLV320ADCx120 and PCMx120-Q1 Family (Rev. A) PDF | HTML 01 Apr 2022

Design und Entwicklung

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Evaluierungsplatine

ADC3120EVM-PDK — TLV320ADC3120-Evaluierungsmodul für 768-kHz-Stereo-Audio-ADC von Burr-Brown™ mit 106 dB Rauschabstan

Das ADC3120EVM-PDK ist ein Evaluierungsmodul (EVM) zum Prüfen der Funktionen des TLV320ADC3120, bei dem es sich um einen hochleistungsfähigen Zweikanal-Audio-Analog-Digital-Wandler (ADC) handelt. Der TLV320ADC3120 ist für sprachgesteuerte Systeme, professionelle Mikrofone, Audiokonferenzen, (...)

Benutzerhandbuch: PDF | HTML
Anwendungssoftware und Frameworks

PUREPATHCONSOLE PurePath™ Console graphical development suite for audio system design and development

PurePath™ Console is a highly integrated and easy-to-use audio development suite designed specifically to simplify the evaluation, configuration and debug process associated with the development of audio products. Watch how easy it is to use the PurePath™ Console 3 software.

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Support-Software

ADCX120EVM-SW GUI and software for PurePath™ Console 3 for ADC3120EVM-PDK, ADC5120EVM-PDK and ADC6120EVM-PDK

GUI and software for PurePath™ Console 3 for ADC3120EVM-PDK, ADC5120EVM-PDK and ADC6120EVM-PDK
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Support-Software

SBAC291 TLV320ADCx120 C Source Headers

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Simulationsmodell

TLV320ADC3120 IBIS Model

SBAM450.ZIP (67 KB) - IBIS Model
Gerberdatei

ADCx120EVM-PDK Gerber Files

SBAC279.ZIP (256 KB)
Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese Design- und Simulationssuite mit vollem Funktionsumfang verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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