PCM2912APJTR Audio Power Amplifier IC Audio D/A Converter ICs 16B Audio CODEC w/ USB interface

Brand Name:Ti
Model Number:PCM2912APJTR
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Delivery Time:The goods will be shipped within 3 days once received fund
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PCM2912APJTR Audio Power Amplifier IC Audio D/A Converter ICs 16B Audio CODEC w/ USB interface

1 Features

  • On-Chip USB Interface:
  • – With Full-Speed Transceivers

  • – Fully Compliant With USB 2.0 Specification

  • – Certified By USB-IF

  • – Partially Programmable Descriptors

  • – Adaptive Isochronous Transfer for Playback

  • – Asynchronous-Isochronous Transfer for Record

  • – Bus Powered

  • 16-Bit Delta-Sigma ADC and DAC

  • Sampling Rate:

– 8, 11.025, 16, 22.05, 32, 44.1, or 48 kHz • On-Chip Clock Generator:
– With Single 6-MHz Clock Source

  • Mono ADC with Microphone Input

    • – Analog Performance at VBUS = 5 V:

      • – THD+N: 0.01%

      • – SNR: 92 dB

      • – Dynamic Range: 90 dB

    • – Decimation Digital Filter

      • – Passband Ripple: ±0.05 dB

      • – Stop-Band Attenuation: –65 dB

    • – Single-Ended Voltage Input

    • – Antialiasing Filter Included

    • – Digital HPF Included

    • – Microphone Bias, Microphone Amplifier, and Input PGA

  • Stereo DAC With Headphone Output

– Analog Performance at VBUS = 5.0 V:

• Multifunctions:

  • – Suspend, Playback, and Record Status Flag

  • – Microphone Amplifier, Mute, and Gain Control
    • Pop/Click Noise-Free
    • Single Power-Supply: 5 V Typical (VBUS) • Package: 32-Pin TQFP

2 Applications

  • USB Headset

  • USB Headphone

  • USB Speaker

  • USB Featured Consumer Audio Product

  • USB Audio Interface Box

  • USB Monitor

  • Video Conference System

  • – THD+N: 0.01% (RL > 10 kΩ)

  • – THD+N: 0.02% (RL = 32 Ω)

  • – SNR: 92 dB

  • – Dynamic Range: 90 dB

  • – PO: 13 mW (RL = 32 Ω)

  • – PO: 25 mW (RL = 16 Ω)

– Oversampling Digital Filter

  • – Passband Ripple: ±0.1 dB

  • – Stop-Band Attenuation: –43 dB

  • – Single-Ended Voltage Output

  • – Analog LPF Included

  • – Sidetone PGA, Output PGA, and HP Amplifier


3 Description
The PCM2912A is the Texas Instruments single-chip, USB stereo audio codec with a USB, 2.0-compliant, full-speed protocol controller and an analog front-end (AFE) function for headset applications.
The USB protocol controller works with no software code, but USB descriptors can be modified on request. The PCM2912A employs SpActTM architecture, TI’s unique system that recovers the audio clock from USB packet data. On-chip analog PLLs with SpAct enables independent playback and record sampling rates with low clock jitters.
Device Information

PART NUMBER

PACKAGE

BODY SIZE (NOM)

PCM2912A

TQFP (32)

7.00 mm × 7.00 mm










China PCM2912APJTR Audio Power Amplifier IC Audio D/A Converter ICs 16B Audio CODEC w/ USB interface supplier

PCM2912APJTR Audio Power Amplifier IC Audio D/A Converter ICs 16B Audio CODEC w/ USB interface

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