Overview
The AD1933YSTZ is a high-performance, single-chip digital-to-analog converter (DAC) produced by Analog Devices Inc. This component features eight DAC channels with differential outputs, utilizing Analog Devices' patented multibit sigma-delta (Σ-Δ) architecture. The AD1933YSTZ includes an SPI port for microcontroller control, allowing adjustments to volume and other parameters. It operates from 3.3 V digital and analog supplies and is available in a 64-lead LQFP package. The design emphasizes low EMI, making it suitable for various audio applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Digital Supply Voltage (DVDD) | 3.0 | 3.3 | 3.6 | V |
| Analog Supply Voltage (AVDD) | 3.0 | 3.3 | 3.6 | V |
| Resolution | 24 Bits | |||
| Sampling Rate | Up to 192 kHz | |||
| Output Type | Differential | |||
| Package Type | 64-Lead LQFP (10mm x 10mm) | |||
| Digital Current (Normal Operation, fS = 192 kHz) | 95 mA | |||
| Analog Current (Normal Operation) | 74 mA | |||
| Power Consumption (Normal Operation, fS = 192 kHz) | 429 mW | |||
Key Features
- Eight digital-to-analog converters (DACs) with differential outputs using multibit sigma-delta (Σ-Δ) architecture.
- SPI port for microcontroller control to adjust volume and other parameters.
- Log volume control with autoramp function and software-controllable clickless mute.
- Support for right-justified, left-justified, I2S, and TDM modes.
- Master and slave modes up to 16-channel input/output.
- On-board digital reconstruction filters with 70 dB stop-band attenuation and linear phase response.
- Independently programmable attenuators for each channel, adjustable in 255 steps in increments of 0.375 dB.
- Low EMI design with on-board PLL and suppressed bit clock capability.
Applications
- Automotive audio systems.
- Home Theater Systems.
- Set-top boxes.
- Digital audio effects processors.
Q & A
- What is the resolution of the AD1933YSTZ DAC?
The AD1933YSTZ has a resolution of 24 bits. - What is the maximum sampling rate of the AD1933YSTZ?
The maximum sampling rate is up to 192 kHz. - What type of output does the AD1933YSTZ provide?
The AD1933YSTZ provides differential outputs. - How is the AD1933YSTZ controlled?
The AD1933YSTZ is controlled via an SPI port, allowing a microcontroller to adjust various parameters. - What are the power supply requirements for the AD1933YSTZ?
The AD1933YSTZ operates from 3.3 V digital and analog supplies. - What is the package type of the AD1933YSTZ?
The AD1933YSTZ is available in a 64-lead LQFP package (10mm x 10mm). - What are some of the key features of the AD1933YSTZ?
Key features include log volume control, software-controllable clickless mute, and support for various audio modes like I2S and TDM. - What are the typical applications of the AD1933YSTZ?
Typical applications include automotive audio systems, home theater systems, set-top boxes, and digital audio effects processors. - How does the AD1933YSTZ minimize EMI?
The AD1933YSTZ minimizes EMI through its on-board PLL, suppressed bit clock capability, and continuous time architectures. - What is the power consumption of the AD1933YSTZ during normal operation at 192 kHz sampling rate?
The power consumption is approximately 429 mW during normal operation at a 192 kHz sampling rate.
