Overview
The AD1941YSTZRL, produced by Analog Devices Inc., is a SigmaDSP Multichannel 28-Bit Audio Processor. This integrated circuit is designed to provide comprehensive signal processing functions for various audio applications. It features a hardware-accelerated DSP core, flexible serial data ports, and support for multiple audio formats, making it a versatile solution for high-quality audio systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Type | SigmaDSP Multichannel 28-Bit Audio Processor |
| Package Type | 48-lead LQFP |
| Operating Voltage | Single 2.5 V power supply; compatible with 3.3 V and 5 V systems via on-chip voltage regulator |
| Temperature Range | –40°C to +105°C |
| Memory | 21 kB (6,144 words) data memory; 1536 × 40 program RAM; 1024 × 28 parameter RAM; 512 × 28 coefficient ROM |
| Serial Data Port Modes | I2S-compatible, left-justified, right-justified, and TDM input/output modes |
| Bit Support | 16, 20, and 24 bits in all modes |
| Clock Generation | Master clock phase-locked loop (PLL) supporting 64 × fS, 256 × fS, 384 × fS, or 512 × fS clocks |
| Audio Delay | Up to 128 ms at fs = 48 kHz |
Key Features
- Hardware-accelerated DSP core with 56-bit double-precision arithmetic
- Flexible serial data port with I2S-compatible, left-justified, and right-justified serial port modes
- 8- and 16-channel TDM input/output modes
- On-chip voltage regulator for compatibility with 3.3 V and 5 V systems
- Programmable low power mode and fast start-up/boot time
- Target/slew RAM for click-free volume control and dynamic parameter updates
- Support for various audio algorithms such as matrix decoding, bass enhancement, and surround virtualizers
Applications
- Automotive sound systems
- Digital televisions
- Home theater systems (Dolby digital/DTS postprocessor)
- Multichannel audio systems
- Mini-component stereos
- Multimedia audio
- Digital speaker crossover
- Musical instruments
- In-seat sound systems (aircrafts/motor coaches)
Q & A
- What is the AD1941YSTZRL?
The AD1941YSTZRL is a SigmaDSP Multichannel 28-Bit Audio Processor produced by Analog Devices Inc. - What are the key features of the AD1941YSTZRL?
Key features include a hardware-accelerated DSP core, flexible serial data ports, on-chip voltage regulator, and support for various audio algorithms. - What are the operating voltage and temperature range of the AD1941YSTZRL?
The AD1941YSTZRL operates from a single 2.5 V power supply and is compatible with 3.3 V and 5 V systems. It operates over a temperature range of –40°C to +105°C. - What types of serial data port modes does the AD1941YSTZRL support?
The AD1941YSTZRL supports I2S-compatible, left-justified, right-justified, and TDM input/output modes. - How much memory does the AD1941YSTZRL have?
The AD1941YSTZRL has 21 kB (6,144 words) data memory, 1536 × 40 program RAM, 1024 × 28 parameter RAM, and 512 × 28 coefficient ROM. - What is the maximum audio delay supported by the AD1941YSTZRL?
The AD1941YSTZRL supports up to 128 ms of audio delay at fs = 48 kHz. - What applications is the AD1941YSTZRL suitable for?
The AD1941YSTZRL is suitable for automotive sound systems, digital televisions, home theater systems, multichannel audio systems, and more. - Does the AD1941YSTZRL support low power mode?
Yes, the AD1941YSTZRL has a programmable low power mode. - How does the AD1941YSTZRL handle clock generation?
The AD1941YSTZRL uses a master clock phase-locked loop (PLL) that can generate clocks from 64 × fS, 256 × fS, 384 × fS, or 512 × fS inputs. - Is the AD1941YSTZRL RoHS compliant?
Yes, the AD1941YSTZRL is RoHS compliant.
