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AK4145 - Digital BTSC Stereo Encoder

Description

The AK4145 is a BTSC Encoder with D/A Converter, which is optimized for Digital AV application.

The AK4145 achieves high audio performance using the digital BTSC encoding architecture requires no alignment of external parts.

Features

  • † Alignment Free Digital BTSC Stereo Encoding † Base band Composite Audio Output (Mono/Stereo) † Digital Volume for Composite Audio Output † Digital De-emphasis filter (32k/44.1k/48kHz) † Stereo Digital Volume Control for Audio Input Data † Soft Mute † Sampling Rate (fs): 32k/44.1k/48kHz † Master Clock: 256fs/384fs/512fs/768fs † I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I2S † Control: Standalone/I2C-bus Selectable † Video Input for Pilot Synchronization † S/(N+D): 0.01% † S.

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Datasheet Details

Part number AK4145
Manufacturer Asahi Kasei Microsystems
File Size 232.43 KB
Description Digital BTSC Stereo Encoder
Datasheet download datasheet AK4145 Datasheet
Additional preview pages of the AK4145 datasheet.

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Full PDF Text Transcription

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[AK4145] = Preliminary = AK4145 Digital BTSC Stereo Encoder GENERAL DESCRIPTION The AK4145 is a BTSC Encoder with D/A Converter, which is optimized for Digital AV application. The AK4145 achieves high audio performance using the digital BTSC encoding architecture requires no alignment of external parts. The AK4145 supports major audio data formats (MSB justified, I2S, TDM) to interface with usual DSP. Therefore, the AK4145 is suitable for the systems such as Digital STB/TV, digital recorder. FEATURES † Alignment Free Digital BTSC Stereo Encoding † Base band Composite Audio Output (Mono/Stereo) † Digital Volume for Composite Audio Output † Digital De-emphasis filter (32k/44.1k/48kHz) † Stereo Digital Volume Control for Audio Input Data † Soft Mute † Sampling Rate (fs): 32k/44.
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