Overview
The STA120D13TR, produced by STMicroelectronics, is a monolithic CMOS digital audio interface receiver. This device is designed to receive and decode audio data according to various professional and consumer digital audio interface standards, including AES/EBU, IEC 958, S/PDIF, and EIAJ CP-340/1201. It features a built-in RS422 line receiver and phase-locked loops (PLL) for clock and synchronization signal recovery, as well as de-multiplexing of audio and digital data.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage | 3.3V ±10% | V |
| Input Voltage (excluding pins 9, 10) | -0.3 to VD+ +0.3 | V |
| Ambient Operating Temperature | -30 to +85 | °C |
| Storage Temperature | -40 to 150 | °C |
| Package Type | 28-pin SOIC | |
| Clock Outputs | MCK (256xFS), SCK (64xFS), FSYNC (FS or 2xFS) |
Key Features
- Supports AES/EBU, IEC 958, S/PDIF, and EIAJ CP-340/1201 interface standards.
- Low-jitter, on-chip clock recovery and synchronization.
- Differential or single-ended input decoding.
- Extensive error reporting and repeat last sample on error option.
- Configurable serial port supporting 14 different formats.
- Multi-function pins for channel status, error, and frequency information.
- Power-on Reset to avoid reset at power-up.
Applications
The STA120D13TR is suitable for various professional and consumer audio applications, including digital audio receivers, audio interfaces, professional audio equipment, and consumer electronics such as CD players, DVD players, and digital audio workstations.
Q & A
- What are the supported audio interface standards for the STA120D13TR?
The STA120D13TR supports AES/EBU, IEC 958, S/PDIF, and EIAJ CP-340/1201 interface standards. - What is the typical power supply voltage for the STA120D13TR?
The typical power supply voltage is 3.3V ±10%. - What types of input signals can the STA120D13TR decode?
The device can decode both differential and single-ended input signals. - What is the function of the PLL in the STA120D13TR?
The PLL is used for clock and synchronization signal recovery. - How many serial port formats does the STA120D13TR support?
The device supports 14 different serial port formats. - What is the purpose of the multi-function pins in the STA120D13TR?
The multi-function pins can display either channel status information or error and frequency information, selectable by the SEL pin. - How does the STA120D13TR handle errors in the audio data?
The device provides extensive error reporting and can repeat the last valid audio sample on error. - What is the package type of the STA120D13TR?
The package type is a 28-pin SOIC. - Does the STA120D13TR require a microprocessor to handle non-audio data?
No, the device does not require a microprocessor to handle non-audio data; it has dedicated pins for the most important channel status bits. - What is the significance of the FSYNC pin in the STA120D13TR?
The FSYNC pin delineates the serial data and may indicate the particular channel (left or right) and can be used as an input or output depending on the configuration.
