The PCM2912AE4PJTR is a high-quality, integrated audio codec with USB interface from Texas Instruments, designed to provide a comprehensive audio solution for a wide range of consumer electronics and computer-based systems. This advanced codec integrates a stereo audio DAC (Digital-to-Analog Converter), a stereo audio ADC (Analog-to-Digital Converter), and a USB compliant interface in a single chip, making it an ideal choice for applications requiring audio input and output functionalities with minimal external components.
Key Features
- USB Interface: The device is compliant with USB 2.0 Full Speed, ensuring compatibility with a wide range of systems and devices without the need for additional drivers.
- Audio Quality: It features a 16-bit Delta-Sigma DAC and ADC, providing high-quality audio playback and recording capabilities with a dynamic range of 89 dB for DAC and 85 dB for ADC.
- Sampling Rates: The PCM2912AE4PJTR supports various sampling rates, including 32 kHz, 44.1 kHz, and 48 kHz, catering to standard audio requirements.
- Integrated Features: The codec includes an on-chip clock generator, an analog mixer, and a microphone preamplifier, which simplifies the design and reduces the overall system cost.
- Power Management: With its power-down and suspend features, it supports efficient power management, making it suitable for portable and battery-operated devices.
Applications
The PCM2912AE4PJTR is versatile in its applications, suitable for:
- USB audio peripherals like headsets, microphones, and speakers
- Portable audio devices
- Multimedia docking stations
- Audio interface for computers and laptops
- Gaming accessories
Package and Availability
This codec comes in a compact 32-TQFP (Thin Quad Flat Pack) package, which is conducive for space-constrained designs. Its part number suffix, E4PJTR, indicates the product's packaging and temperature grade, making it suitable for industrial temperature ranges. The device is available for order and can be sourced through Texas Instruments' distribution network or authorized resellers.