PCM2912
Description
Antialiasing Filter Included - Digital HPF Included - Microphone Bias, Microphone Amplifier, and Input PGA Stereo DAC With Headphone Output - Analog Performance at VBUS = 5.0 V: - THD+N: 0.01% (RL > 10 kΩ) - THD+N: 0.02% (RL = 32 Ω) - SNR: 92 dB The PCM2912 is the Texas Instruments single-chip, USB stereo audio CODEC with USB 2.0-compliant full-speed protocol controller and analog front end (AFE) function for headset application. The USB protocol controller works with no softwar.
Key Features
- 23 On-Chip USB Interface: - Oversampling Digital Filter - With Full-Speed Transceivers - Pass-Band Ripple: ±0.1 dB - Fully Compliant with USB 2.0 Specification - Stop-Band Attenuation: -43 dB - Certified By USB-IF - Single-Ended Voltage Output - Partially Programmable Descriptors - Analog LPF Included - Adaptive Isochronous Transfer for Playback - Sidetone PGA, Output PGA, and HP Amplifier - Asynchronous Isochronous Transfer for Record - Bus Powered
- 16-Bit Delta-Sigma ADC and DAC
- Multifunctions: - Suspend, Playback, and Record Status Flag - Microphone Amplifier, Mute, and Gain Control
- Sampling Rate:
- Pop/Click Noise Free - 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
- On-Chip Clock Generator:
- Single Power Supply: 5 V Typ (VBUS)
- Package: 32-Pin TQFP - With Single 6-MHz Clock Source
- Mono ADC with Microphone Input - Analog Performance at VBUS = 5 V: - THD+N: 0.01% - SNR: 92 dB - Dynamic Range: 90 dB - Decimation Digital Filter - Pass-Band Ripple: ±0.05 dB - Stop-Band Attenuation: -65 dB - Single-Ended Voltage Input
