HomedatasheetPCM2902EG4

PCM2902EG4 Datasheet

Interface - CODECs
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Description

The PCM2902EG4 is Texas Instruments single-chip USB stereo audio codec with USB-compliant full-speed protocol controller and S/PDIF . The USB protocol controller works with no software code, but the USB descriptors can be modified in some areas (e.g., vendor ID/product ID). The PCM2902EG4 employs SpAct architecture, TI’s unique system that recovers the audio clock from USB packet data. On-chip analog PLLs with SpAct enable playback and record with low clock jitter and with independent playback and record sampling rates.This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PCM2902EG4 Features • PCM2900: Without S/PDIF• PCM2902: With S/PDIF• On-Chip USB Interface: − With Full-Speed Transceivers − Fully Compliant With USB 1.1 Specification − Certified by USB-IF − Partially Programmable Descriptors(1) − USB Adaptive Mode for Playback − USB Asynchronous Mode for Record − Bus Powered• 16-Bit Delta Sigma ADC and DAC• Sampling Rate: − DAC: 32, 44.1, 48 kHz − ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz• On-Chip Clock Generator: − With Single 12-MHz Clock Source• Single Power Supply: 5 V TYP (VBUS)• Stereo ADC − Analog Performance at VBUS = 5 V − THD+N = 0.01% − SNR = 89 dB − Dynamic Range = 89 dB − Decimation Digital Filter − Pass-Band Ripple = ±0.05 dB − Stop-Band Attenuation = –65 dB − Single-Ended Voltage Input − Antialiasing Filter Included − Digital LCF Included• Stereo DAC − Analog Performance at VBUS = 5 V − THD+N = 0.005% − SNR = 96 dB − Dynamic Range = 93 dB − Oversampling Digital Filter − Pass-Band Ripple = ±0.1 dB − Stop-Band Attenuation = –43 dB − Single-Ended Voltage Output − Analog LPF Included• Multifunctions: − Human Interface Device (HID) Volume ± Control and Mute Control − Suspend Flag• Package: 28-Pin SSOP PCM2902EG4 Applications • USB Audio Speaker• USB Headset• USB Monitor• USB Audio Interface Box
Features

Parameters

[{"Name":"Data Interface","Value":"USB"},{"Name":"Resolution (Bits)","Value":"16 b"},{"Name":"Number of ADCs / DACs","Value":"2 / 2"},{"Name":"S/N Ratio, ADCs / DACs (db) Typ","Value":"89 / 96"},{"Name":"Dynamic Range, ADCs / DACs (db) Typ","Value":"89 / 93"},{"Name":"Voltage - Supply, Analog","Value":"4.35 V ~ 5.25 V"},{"Name":"Voltage - Supply, Digital","Value":"4.35 V ~ 5.25 V"},{"Name":"Operating Temperature","Value":"-25°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS
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