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TPA5051 Datasheet Four Channel Digital Audio Lip-sync Delay

Manufacturer: Texas Instruments

Overview: TPA5051 TPA5051 .ti. SLOS497A – JUNE 2006 – REVISED JULY 2006 FOUR CHANNEL DIGITAL AUDIO LIP-SYNC DELAY WITH I2C.

General Description

The TPA5051 accepts two serial audio inputs, buffers the data for a selectable period of time, and outputs the delayed audio data on two serial outputs.

One device allows delay of up to 85 ms/ch (fs = 48 kHz) to synchronize the audio stream to the video stream in systems with plex video processing algorithms.

If more delay is needed, the devices can be connected in series.

Key Features

  • Digital Audio Format: 16-24-bit I2S, Right-Justified, Left-Justified.
  • I2C Bus Controlled.
  • Dual Serial Input Ports.
  • Delay Time: 85 ms/ch at fs = 48 kHz.
  • Delay Resolution: One Sample.
  • Delay Memory Cleared on Power-Up or After Delay Changes.
  • Eliminates Erroneous Data on Output.
  • 3.3 V Operation With 5 V Tolerant I/O and I2C Control.
  • Supports Audio Bit Clock Rates of 32 to 64 fs with fs = 32 kHz.
  • 192 kHz.

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