Description:The 821024 is a single-chip, four channel PCM CODEC with on-chip filters. The device provides analog-to-digital and digital-to-analog conversions and supports both a-law and m-law companding. The digital filters in 821024 provides the necessary transmit and receive filtering for voice telephone circuit to interface with time-division multiplexed systems. All of the digital filters are performed in digital signal processors operating from an internal clock, which is derived from MCLK. The fixed filters set t
The recommended operating temperature range for the 821024PPG is -40°C to 85°C, as specified in the datasheet. However, it's essential to note that the device can operate at temperatures beyond this range, but with reduced performance and reliability.
To ensure reliable data transmission over the SPI interface, it's crucial to follow the recommended clock frequency, ensure proper signal termination, and maintain a stable power supply. Additionally, implementing error-checking mechanisms, such as CRC or checksum, can help detect and correct data transmission errors.
The maximum clock frequency supported by the 821024PPG is 20 MHz, as specified in the datasheet. However, it's recommended to operate the device at a lower frequency to ensure reliable operation and minimize power consumption.
To handle POR and BOD, it's essential to implement a robust power-up sequence, including a power-on reset circuit and a brown-out detector. This ensures that the device resets properly during power-up and detects voltage drops or brown-outs, preventing unexpected behavior or data corruption.
When designing the PCB layout and routing for the 821024PPG, it's crucial to follow best practices for high-frequency signal routing, such as using controlled impedance traces, minimizing signal lengths, and avoiding signal crosstalk. Additionally, ensure proper power and ground plane design to minimize noise and electromagnetic interference (EMI).
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
821024PPG Overview
Use the download button to access the 821024PPG schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 82102,
or try a keyword search, such as Codecs
