Produktdetails

Sampling rate (min) (kHz) 8 Sampling rate (max) (kHz) 96 THD+N (dB) -79 Control interface I2C Architecture Class-D Operating temperature range (°C) -40 to 85 Rating Catalog THD + N at 1 kHz (%) 0.028
Sampling rate (min) (kHz) 8 Sampling rate (max) (kHz) 96 THD+N (dB) -79 Control interface I2C Architecture Class-D Operating temperature range (°C) -40 to 85 Rating Catalog THD + N at 1 kHz (%) 0.028
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • Stereo Audio DAC
    • 95-dBA Signal-to-Noise Ratio
    • 16/20/24/32-Bit Data
    • Supports Rates From 8 kHz to 96 kHz
    • 3D/Bass/Treble/EQ/De-emphasis Effects
  • Two Audio Input Pins
    • Allows Analog Bypass Path
  • Four Audio Output Drivers
    • Stereo 8-, 500-mW/Channel Speaker Drive Capability
    • Stereo Fully Differential or Single-Ended Headphone Drivers
  • Low Power: 18-mW Stereo 48-kHz Playback With 3.3-V Analog Supply
  • Programmable Input/Output Analog Gains
  • Programmable Microphone Bias Level
  • Headphone Jack Detection
  • Programmable PLL for Flexible Clock Generation
  • I2C Control Bus
  • Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes
  • Extensive Modular Power Control
  • Internal Selectable LDO Allows Operation From Single 3.3-V Supply
  • Power Supplies:
    • Analog: 2.7 V-3.6 V.
    • Digital Core: 1.525 V-1.95 V
    • Digital I/O: 1.1 V-3.6 V
  • Package: 5 × 5 mm 32-QFN

  • Stereo Audio DAC
    • 95-dBA Signal-to-Noise Ratio
    • 16/20/24/32-Bit Data
    • Supports Rates From 8 kHz to 96 kHz
    • 3D/Bass/Treble/EQ/De-emphasis Effects
  • Two Audio Input Pins
    • Allows Analog Bypass Path
  • Four Audio Output Drivers
    • Stereo 8-, 500-mW/Channel Speaker Drive Capability
    • Stereo Fully Differential or Single-Ended Headphone Drivers
  • Low Power: 18-mW Stereo 48-kHz Playback With 3.3-V Analog Supply
  • Programmable Input/Output Analog Gains
  • Programmable Microphone Bias Level
  • Headphone Jack Detection
  • Programmable PLL for Flexible Clock Generation
  • I2C Control Bus
  • Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes
  • Extensive Modular Power Control
  • Internal Selectable LDO Allows Operation From Single 3.3-V Supply
  • Power Supplies:
    • Analog: 2.7 V-3.6 V.
    • Digital Core: 1.525 V-1.95 V
    • Digital I/O: 1.1 V-3.6 V
  • Package: 5 × 5 mm 32-QFN

The TLV320DAC32 is a low power stereo audio DAC with and integrated power amplifier designed to drive stereo headphones or speakers. This device also has a pair of analog inputs which allow routing of external signals to the output amplifiers. The playback path includes a mix/mux capability from the stereo DAC and analog inputs, through programmable volume controls, to the headphone outputs. Extensive register-based power control is included, enabling stereo 96-kHz playback as low as 20mW from a 3.3-V analog supply, making it ideal for portable battery-powered audio and telephony applications.

The TLV320DAC32 contains four high-power output drivers. These drivers are capable of driving a variety of load configurations, including up to four channels of single-ended 16-Ω headphones using ac-coupling capacitors, or stereo 16-Ω headphones in a cap-less output configuraton. In addition, pairs of drivers can be used to drive 8-Ω speakers in a BTL configuration at 500 mW per channel.

The stereo audio DAC supports sampling rates from 8-kHz to 96-kHz and includes programmable digital filtering in the DAC path for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz rates.

The serial control bus uses the I2C protocol, while the serial audio data bus is programmable for I2S, left/right-justified, DSP, or TDM modes. A highly programmable PLL is included for flexible clock generation and support for all standard audio rates from a wide range of available MCLKs, varying from 512-kHz to 50-MHz, with special attention paid to the most popular cases of 12-MHz, 13-MHz, 16-MHz, 19.2-MHz, and 19.68-MHz system clocks.

The TLV320DAC32 operates from analog supplies of 2.7 V - 3.6 V, a digital core supply of 1.525 V - 1.95 V, and a digital I/O supply of 1.1 V - 3.6 V. An internal LDO regulator allows the device to internally generate the lower voltage power supply needed for digital core logic, thereby allowing full operation from a single 3.3-V supply voltage.

The TLV320DAC32 is a software-compatible subset of the existing TLV320AIC32 and TLV320AIC33 audio codecs, allowing simple transition from a system with record and playback to a system with playback only.

The device is available in a 5 x 5mm 32-lead QFN package.

The TLV320DAC32 is a low power stereo audio DAC with and integrated power amplifier designed to drive stereo headphones or speakers. This device also has a pair of analog inputs which allow routing of external signals to the output amplifiers. The playback path includes a mix/mux capability from the stereo DAC and analog inputs, through programmable volume controls, to the headphone outputs. Extensive register-based power control is included, enabling stereo 96-kHz playback as low as 20mW from a 3.3-V analog supply, making it ideal for portable battery-powered audio and telephony applications.

The TLV320DAC32 contains four high-power output drivers. These drivers are capable of driving a variety of load configurations, including up to four channels of single-ended 16-Ω headphones using ac-coupling capacitors, or stereo 16-Ω headphones in a cap-less output configuraton. In addition, pairs of drivers can be used to drive 8-Ω speakers in a BTL configuration at 500 mW per channel.

The stereo audio DAC supports sampling rates from 8-kHz to 96-kHz and includes programmable digital filtering in the DAC path for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz rates.

The serial control bus uses the I2C protocol, while the serial audio data bus is programmable for I2S, left/right-justified, DSP, or TDM modes. A highly programmable PLL is included for flexible clock generation and support for all standard audio rates from a wide range of available MCLKs, varying from 512-kHz to 50-MHz, with special attention paid to the most popular cases of 12-MHz, 13-MHz, 16-MHz, 19.2-MHz, and 19.68-MHz system clocks.

The TLV320DAC32 operates from analog supplies of 2.7 V - 3.6 V, a digital core supply of 1.525 V - 1.95 V, and a digital I/O supply of 1.1 V - 3.6 V. An internal LDO regulator allows the device to internally generate the lower voltage power supply needed for digital core logic, thereby allowing full operation from a single 3.3-V supply voltage.

The TLV320DAC32 is a software-compatible subset of the existing TLV320AIC32 and TLV320AIC33 audio codecs, allowing simple transition from a system with record and playback to a system with playback only.

The device is available in a 5 x 5mm 32-lead QFN package.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt Low Power Stereo Audio DAC for Portable Audio/Telephony datasheet (Rev. B) 13.11.2008
* Errata TLV320DAC32 Errata 18.10.2006
Anwendungshinweis Out-of-Band Noise Measurement Issues for Audio Devices (Rev. A) 31.12.2019
Anwendungshinweis Interfacing an I2S Device to an MSP430 Device (Rev. A) 22.03.2010

Design und Entwicklung

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Evaluierungsplatine

TLV320DAC32EVM — TLV320DAC32-Evaluierungsmodul (EVM)

Das TLV320DAC32EVM ist ein EVM, das in dem modularen EVM-Formfaktor von Texas Instruments hergestellt wird. Der modulare Formfaktor ermöglicht die direkte Evaluierung des TLV320AIC32-Audio-Codecs mit Mono-Eingang/Stereo-Ausgang. Audiodaten werden über den I²S-Bus an die Platine übertragen. Das (...)

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Evaluierungsplatine

TLV320DAC32EVM-PDK — TLV320DAC32-Evaluierungsmodul (EVM) und USB-Hauptplatine

Das TLV320DAC32EVM-PDK ist ein vollständiges Evaluierungs-/Demokit für die Prüfung und Evaluierung des TLV320DAC32EVM. Das Kit, das das TLV320DAC32EVM und eine USB-basierte Hauptplatine enthält, kann über den USB-Anschluss des PCs Strom beziehen. Ebenfalls im Lieferumfang des TLV320DAC32M-PDK (...)

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Simulationsmodell

TLV320DAC32 IBIS Model

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RHB) 32 Ultra Librarian

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