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MFG:ADI D/C:09
Part Number: AD1953
MFG: ADI
D/C: 09
Description: The AD1953 is a complete 26-bit, single-chip, 3-channel digital audio playback system with built-in DS...
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AD1953
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DataSheet
General Description
AD1953 General Description
The AD1953 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. These algorithms can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, resulting in a dramatic improvement of perceived audio quality.
The signal processing used in the AD1953 is comparable to that found in high end studio equipment. Most of the processing is done in full 48-bit double-precision mode, resulting in very good low level signal performance and the absence of limit cycles or idle tones. The compressor/limiter uses a sophisticated two-band algorithm often found in high end broadcast compressors.
AD1953 Maximum Ratings
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
ODVDD to DGND . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
Digital Inputs . . . . . . . . . . DGND 0.3 V to DVDD + 0.3 V
Analog Inputs . . . . . . . . . . AGND 0.3 V to AVDD + 0.3 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
Reference Voltage . . . . . . . . . . . . . . . . . (AVDD + 0.3)/2 V
Maximum Junction Temperature . . . . .. . . . . . . . . . 125C
Storage Temperature Range . . . . . . . 65C to +150C
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . 300C/10 sec
AD1953 Features
5 V 3-Channel Audio DAC System
Digital Audio Output (2-Channel or 6-Channel Packed Mode)
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 Clickless Volume Control
Hardware and Software Controllable Clickless Mute
Digital De-emphasis Processing for 32 kHz, 44.1 kHz, 48 kHz Sample Rates
Flexible Serial Data Port with Right-Justified, Left-Justified,I2S Compatible, and DSP Serial Port Modes
Auxiliary Digital Input
Graphical Custom Programming Tools 48-Lead LQFP Plastic Package
Digital Audio Output (2-Channel or 6-Channel Packed Mode)
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 Clickless Volume Control
Hardware and Software Controllable Clickless Mute
Digital De-emphasis Processing for 32 kHz, 44.1 kHz, 48 kHz Sample Rates
Flexible Serial Data Port with Right-Justified, Left-Justified,I2S Compatible, and DSP Serial Port Modes
Auxiliary Digital Input
Graphical Custom Programming Tools 48-Lead LQFP Plastic Package
AD1953 Typical Application
2.0/2.1 Channel Audio Systems (2 Main Channels Plus Subwoofer)
Multichannel Automotive Sound Systems
Multimedia Audio
Mini Component Stereo
Home Theater Systems (AC-3 Postprocessor)
Musical Instruments
In-Seat Sound Systems (Aircraft, Motor Coaches)
Multichannel Automotive Sound Systems
Multimedia Audio
Mini Component Stereo
Home Theater Systems (AC-3 Postprocessor)
Musical Instruments
In-Seat Sound Systems (Aircraft, Motor Coaches)
AD1953 Connection Diagram
AD1953
PDF/DataSheet Download
- Datasheet: AD1953
- File Size: 1845317 KB
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