Overview
The ADAU1328BSTZ-RL is a high-performance, single-chip codec produced by Analog Devices Inc. This integrated circuit is designed to provide advanced audio processing capabilities, making it suitable for a variety of audio applications. The ADAU1328 features two analog-to-digital converters (ADCs) with differential input and eight digital-to-analog converters (DACs) with single-ended output, utilizing Analog Devices' patented multibit sigma-delta (Σ-Δ) architecture. The device operates from 3.3 V digital and analog supplies and is available in a 48-lead LQFP package.
Key Specifications
| Parameter | Rating/Description |
|---|---|
| Analog Supply Voltage (AVDD) | -0.3 V to +3.6 V |
| Digital Supply Voltage (DVDD) | -0.3 V to +3.6 V |
| Input Current (Except Supply Pins) | ±20 mA |
| Analog Input Voltage (Signal Pins) | -0.3 V to AVDD + 0.3 V |
| Digital Input Voltage (Signal Pins) | -0.3 V to DVDD + 0.3 V |
| Operating Temperature Range (Case) | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
| Sample Rates | 48 kHz, 96 kHz, 192 kHz |
| Resolution | 24-bit |
| Package Type | 48-lead LQFP |
Key Features
- Two analog-to-digital converters (ADCs) with differential input and eight digital-to-analog converters (DACs) with single-ended output using multibit sigma-delta (Σ-Δ) architecture.
- SPI controllable for flexibility, allowing a microcontroller to adjust volume and other parameters.
- Software controllable clickless mute and power-down features.
- Support for right justified, left justified, I2S, and TDM modes.
- Master and slave modes up to 16-channel in/out.
- On-board PLL to derive the master clock from the LR clock or an external crystal.
- Digital reconstruction filters with 70 dB stop-band attenuation and linear phase response.
- Independently programmable attenuators for each DAC channel, adjustable in 255 steps in increments of 0.375 dB.
- Low EMI design using continuous time architectures and 3.3 V supplies.
Applications
- Home theater systems
- Set-top boxes
- Digital audio effects processors
Q & A
- What is the ADAU1328BSTZ-RL?
The ADAU1328BSTZ-RL is a high-performance, single-chip codec produced by Analog Devices Inc., featuring two ADCs and eight DACs.
- What are the supply voltages for the ADAU1328BSTZ-RL?
The device operates from 3.3 V digital and analog supplies.
- What are the supported sample rates for the ADAU1328BSTZ-RL?
The device supports sample rates of 48 kHz, 96 kHz, and 192 kHz.
- What is the resolution of the ADCs and DACs in the ADAU1328BSTZ-RL?
The resolution is 24-bit for both the ADCs and DACs.
- What type of package does the ADAU1328BSTZ-RL come in?
The device is available in a 48-lead LQFP package.
- Does the ADAU1328BSTZ-RL support SPI control?
Yes, the device includes an SPI port for microcontroller control.
- What are some of the key features of the ADAU1328BSTZ-RL's DACs?
The DACs include on-board digital reconstruction filters with 70 dB stop-band attenuation and linear phase response, and independently programmable attenuators.
- How does the ADAU1328BSTZ-RL minimize EMI?
The device uses continuous time architectures and 3.3 V supplies to minimize EMI.
- What are some typical applications for the ADAU1328BSTZ-RL?
Typical applications include home theater systems, set-top boxes, and digital audio effects processors.
- Does the ADAU1328BSTZ-RL have built-in clock management?
Yes, the device includes an on-board PLL to derive the master clock from the LR clock or an external crystal.
