Overview
The ADAV4601BSTZ, produced by Analog Devices Inc., is an advanced audio processor designed specifically for enhanced TV applications. This integrated circuit offers a comprehensive set of features to support both digital and analog baseband audio processing. By default, it loads a dedicated TV audio flow that includes full matrix switching, automatic volume control, dynamic bass, a multiband equalizer, and up to 200 ms of stereo delay memory for audio-video synchronization. Additionally, users can customize audio flows using Analog Devices' SigmaStudio™ graphical programming tool, incorporating ADI's library of third-party algorithms.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Dynamic Range (DNR) - ADC | 95 dB | ||||
| Dynamic Range (DNR) - DAC | 94 dB | ||||
| Analog Supply Voltage | 3.3 V | V | |||
| Digital Core Supply Voltage | 1.8 V | V | |||
| Digital Interface Supply Voltage | 3.3 V | V | |||
| Operating Temperature | -40°C | 85°C | °C | ||
| Storage Temperature | -65°C | 150°C | °C | ||
| Master Clock Frequency | 3.072 MHz | 24.576 MHz | MHz | ||
| Analog Current | 7 mA | 115 mA | mA | Standby and active modes respectively | |
| Digital Current | 3 mA | 160 mA | mA | Standby and active modes respectively | |
| Interface Current | 1.6 mA | 2 mA | mA | Standby and active modes respectively |
Key Features
- Full matrix switching (any input to any output)
- Automatic volume control to compensate for volume changes during advertisements or channel switching
- Dynamic bass and multiband equalizer
- Up to 200 ms of stereo delay memory for audio-video synchronization
- High-performance pulse-width modulation (PWM) digital outputs
- Multichannel digital baseband I/O, including 4 stereo synchronous digital I2S input channels and one stereo synchronous digital I2S output
- S/PDIF output with S/PDIF input mux capability
- Fast I2C control
- Integrated sample rate converters (SRCs) supporting input sample rates from 5 kHz to 50 kHz
- Headphone output with integrated amplifiers
- Analog Devices' proprietary continuous-time, multibit Σ-Δ architecture for high-performance analog I/O
Applications
- General-purpose consumer audio post-processing
- Home audio systems
- DVD recorders
- Home theater in a box systems and DVD receivers
- Audio processing subsystems for DTV-ready TVs
- Analog broadcast capability for iDTVs
Q & A
- What is the ADAV4601BSTZ primarily used for?
The ADAV4601BSTZ is primarily used for advanced TV applications, providing enhanced audio processing capabilities.
- What are the key features of the ADAV4601BSTZ?
Key features include full matrix switching, automatic volume control, dynamic bass, multiband equalizer, and high-performance PWM digital outputs.
- What is the dynamic range of the ADC and DAC channels?
The ADC channels have a dynamic range of 95 dB, while the DAC channels have a dynamic range of 94 dB.
- What are the supply voltage requirements for the ADAV4601BSTZ?
The ADAV4601BSTZ requires 3.3 V for the analog supply, 1.8 V for the digital core, and 3.3 V for the digital interface.
- What is the operating temperature range of the ADAV4601BSTZ?
The operating temperature range is from -40°C to 85°C.
- Does the ADAV4601BSTZ support custom audio flows?
Yes, it supports custom audio flows using Analog Devices' SigmaStudio™ graphical programming tool.
- What types of digital inputs and outputs does the ADAV4601BSTZ have?
The ADAV4601BSTZ includes 4 stereo synchronous digital I2S input channels and one stereo synchronous digital I2S output, along with S/PDIF output and input mux capability.
- Is the ADAV4601BSTZ still in production?
No, the ADAV4601BSTZ is no longer manufactured.
- What is the package type of the ADAV4601BSTZ?
The ADAV4601BSTZ is available in an 80-lead LQFP package.
- What are some common applications of the ADAV4601BSTZ?
Common applications include home audio systems, DVD recorders, home theater systems, and audio processing subsystems for DTV-ready TVs.
