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AD1954 - SigmaDSP 3-Channel/ 26-Bit Signal Processing DAC

Download the AD1954 datasheet PDF. This datasheet also covers the AD1 variant, as both devices belong to the same sigmadsp 3-channel/ 26-bit signal processing dac family and are provided as variant models within a single manufacturer datasheet.

General Description

The AD1954 is a complete 26-bit single-chip 3-channel digital audio playback system with built-in DSP functionality for speaker equalization, dual-band compression/limiting, delay compensation, and image enhancement.

Key Features

  • 5 V 3-Channel Audio DAC System Accepts Sample Rates up to 48 kHz 7 Biquad Filter Sections per Channel Dual Dynamic Processor with Arbitrary Input/Output Curve and Adjustable Time Constants 0 ms to 6 ms Variable Delay/Channel for Speaker Alignment Stereo Spreading Algorithm for Phat Stereo™ Effect Program RAM Allows Complete New Program Download via SPI Port Parameter RAM Allows Complete Control of More Than 200 Parameters via SPI Port SPI Port Features Safe-Upload Mode for Transparent Filter Upd.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD1-954.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AD1954
Manufacturer Analog Devices
File Size 1.44 MB
Description SigmaDSP 3-Channel/ 26-Bit Signal Processing DAC
Datasheet download datasheet AD1954 Datasheet

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AD1953 SigmaDSP 3-Channel/ 26-Bit Signal Processing DAC
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SigmaDSP™ 3-Channel, 26-Bit Signal Processing DAC AD1954 FEATURES 5 V 3-Channel Audio DAC System Accepts Sample Rates up to 48 kHz 7 Biquad Filter Sections per Channel Dual Dynamic Processor with Arbitrary Input/Output Curve and Adjustable Time Constants 0 ms to 6 ms Variable Delay/Channel for Speaker Alignment Stereo Spreading Algorithm for Phat Stereo™ Effect Program RAM Allows Complete New Program Download via SPI Port Parameter RAM Allows Complete Control of More Than 200 Parameters via SPI Port SPI Port Features Safe-Upload Mode for Transparent Filter Updates 2 Control Registers Allow Complete Control of Modes and Memory Transfers Differential Output for Optimum Performance 112 dB Signal-to-Noise (Not Muted) at 48 kHz Sample Rate (A-Weighted Stereo) 70 dB Stop-Band Attenuation On-Chip