The PCM3002 and PCM3003 are low-cost, single-chip stereo audio codecs (analog-to-digital and digital-to-analog converters) with single-ended analog voltage input and output.
●The ADCs and DACs employ delta-sigma modulation with 64-times oversampling. The ADCs include a digital decimation filter, and the DACs include an 8-times oversampling digital interpolation filter. The DACs also include digital attenuation, de-emphasis, infinite zero detection, and soft mute to form a complete subsystem. The PCM3002 and PCM3003 operate with left-justified (ADC) and right-justified (DAC) formats, while the PCM3002 also supports other formats, including the I2S data format. The PCM3002 and PCM3003 provide a power-down mode that operates on the ADCs and DACs independently.
●The PCM3002 and PCM3003 are fabricated using a highly advanced CMOS process, and are available in a 24-pin SSOP package. The PCM3002 and PCM3003 are suitable for a wide variety of cost-sensitive consumer applications where good performance is required.
●The PCM3002 programmable functions are controlled by software. The PCM3003 functions, which are controlled by hardware, include de-emphasis, power-down, and audio data format selections.
● Monolithic 20-Bit ADC and DAC
● 16/20-Bit Input/Output Data
● Software Control: PCM3002
● Hardware Control: PCM3003
● Stereo ADC:
●Single-Ended Voltage Input
● Antialiasing Filter
● 64× Oversampling
● High Performance
● THD+N: &3150;86 dB
● SNR: 90 dB
● Dynamic Range: 90 dB
● Stereo DAC:
● Single-Ended Voltage Output
● Analog Low-Pass Filter
● 64× Oversampling
● High Performance
● THD+N: 86 dB
● SNR: 94 dB
● Dynamic Range: 94 dB
● Special Features (PCM3002, PCM3003)
● Digital De-Emphasis: 32 kHz, 44.1 kHz, 48 kHz
● Power Down: ADC/DAC Independent
● Special Features (PCM3002)
● Digital Attenuation (256 Steps)
● Soft Mute
● Digital Loopback
● Four Alternative Audio Data Formats
● Sampling Rate: 4 kHz to 48 kHz
● Single 3-V Power Supply
● Small Package: SSOP-24
● APPLICATIONS
● DVC Applications
● DSC Applications
● Portable/Mobile Audio Applications
●System Two, Audio Precision are trademarks of Audio Precision, Inc.
●All other trademarks are the property of their respective owners.
