Overview
The ADAV4622BSTZ is an advanced audio processor designed by Analog Devices Inc., specifically targeting applications in digital television and other consumer electronics. This processor supports both digital and analog baseband audio, along with multistandard broadcast SIF demodulation and decoding. It is optimized for use in integrated digital TVs (iDTVs) and offers a range of features to enhance audio quality, including full matrix switching, automatic volume control, dynamic bass, and a multiband equalizer. The processor also includes up to 200 ms of stereo delay memory for audio-video synchronization. Additionally, it can be customized using Analog Devices' SigmaStudio™ graphical programming tool, allowing for the development of customer-specific audio flows and the integration of third-party algorithms.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Number of Channels | - | - | 4 (Two stereo channels) | - | - |
| Full-Scale Input Level | - | - | 100 μA rms | - | - |
| Resolution | - | - | 24 Bits | - | - |
| Dynamic Range (Stereo Channel) | - | - | 95 dB (A-Weighted) | - | -60 dBFS with respect to full-scale analog input |
| Total Harmonic Distortion + Noise (Stereo Channel) | - | - | -90 dB | - | -3 dBFS with respect to full-scale analog input |
| Gain Mismatch | - | - | 0.2 dB | - | Left- and right-channel gain mismatch |
| Crosstalk (Left to Right, Right to Left) | - | - | -110 dB | - | - |
| Power Supply Rejection | - | - | -87 dB | - | 1 kHz, 300 mV p-p signal at AVDD |
| Analog Current | - | - | 260 mA | - | - |
| Digital Current | - | - | 350 mA | - | - |
| Interface Current | - | - | 2 mA | - | - |
| Operating Temperature | -40 | - | 85 | °C | - |
| Storage Temperature | -65 | - | 150 | °C | - |
Key Features
- Full Matrix Switching: Allows any input to be routed to any output, enhancing flexibility in audio routing.
- Automatic Volume Control: Compensates for volume changes during advertisements or when switching channels.
- Dynamic Bass and Multiband Equalizer: Enhances audio quality with adjustable bass and equalizer settings.
- Stereo Delay Memory: Up to 200 ms of delay for audio-video synchronization.
- Customizable Audio Flows: Utilizes Analog Devices' SigmaStudio™ graphical programming tool for custom audio flows and integration of third-party algorithms.
- Continuous-Time, Multibit Σ-Δ Architecture: Proprietary architecture for high-performance analog I/O.
- Multistandard Broadcast Support: Supports various broadcast standards for SIF demodulation and decoding.
Applications
- Digital Television (iDTVs): Optimized for integrated digital TV systems.
- Consumer Electronics: Suitable for AV/DVD receivers, AV amplifiers, and other consumer audio devices.
- Car or Mobile Audio Systems: Can be used in automotive and mobile audio applications.
- Musical Instruments and Systems: Applicable in various musical instruments and audio systems.
Q & A
- What is the ADAV4622BSTZ primarily used for?
The ADAV4622BSTZ is primarily used for advanced audio processing in digital television and other consumer electronics applications.
- What types of audio inputs does the ADAV4622BSTZ support?
The ADAV4622BSTZ supports both digital and analog baseband audio inputs.
- What is the resolution of the ADC in the ADAV4622BSTZ?
The ADC in the ADAV4622BSTZ has a resolution of 24 bits.
- What is the dynamic range of the stereo channel in the ADAV4622BSTZ?
The dynamic range of the stereo channel is 95 dB (A-Weighted).
- Does the ADAV4622BSTZ support customizable audio flows?
Yes, the ADAV4622BSTZ supports customizable audio flows using Analog Devices' SigmaStudio™ graphical programming tool.
- What is the operating temperature range of the ADAV4622BSTZ?
The operating temperature range is from -40°C to 85°C.
- Is the ADAV4622BSTZ still in production?
No, the ADAV4622BSTZ is obsolete and no longer manufactured.
- What are some recommended substitutes for the ADAV4622BSTZ?
Recommended substitutes include the ADAU1787BCBZRL7, as suggested by the manufacturer.
- What are some key applications of the ADAV4622BSTZ?
Key applications include digital television, consumer electronics, car or mobile audio systems, and musical instruments and systems.
- Does the ADAV4622BSTZ support multistandard broadcast demodulation and decoding?
Yes, the ADAV4622BSTZ supports multistandard broadcast SIF demodulation and decoding.
