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PCM3001E

更新时间： 2024-12-01 02:58:43
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页数 文件大小 规格书
40页 598K
描述
SINGLE-ENDED ANALOG INPUT/OUTPUT

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PCM3001E 数据手册

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PCM3000  
PCM3001  
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SBAS055A–OCTOBER 2000–REVISED OCTOBER 2004  
18-BIT STEREO AUDIO CODEC, SINGLE-ENDED ANALOG INPUT/OUTPUT  
FEATURES  
•
•
Single 5-V Power Supply  
Small Package: SSOP-28  
•
•
•
•
Monolithic 18-Bit ∆Σ ADC and DAC  
16- or 18-Bit Input/Output Data  
Accepts Seven Alternate Formats  
Stereo ADC:  
APPLICATIONS  
•
•
•
•
•
•
•
•
Sampling Keyboards  
Digital Mixers  
– Single-Ended Voltage Input  
– 64× Oversampling Digital Filter  
• Pass-Band Ripple: ±0.05 dB  
• Stop-Band Attenuation: –65 dB  
– High Performance:  
Mini-Disk Recorders  
Hard-Disk Recorders  
Karaoke Systems  
DSP-Based Car Stereo  
DAT Recorders  
• THD+N: –88 dB  
Video Conferencing  
• SNR: 94 dB  
DESCRIPTION  
• Dynamic Range: 94 dB  
– Digital High-Pass Filter  
Stereo DAC  
The PCM3000/3001 is a low-cost, single-chip stereo  
audio codec (analog-to-digital and digital-to-analog  
converter) with single-ended analog voltage input and  
output.  
•
– Single-Ended Voltage Outut  
– Analog Low-Pass Filter  
– 8× Oversampling Digital Filter  
• Pass-Band Ripple: ±0.17 dB  
• Stop-Band Attenuation: 35 dB  
– High Performance:  
Both ADCs and DACs employ delta-sigma modu-  
lation 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 PCM3000/3001 operates  
with left-justified, right-justified, I2S or DSP data  
formats.  
• THD+N: –90 dB  
• SNR: 98 dB  
• Dynamic Range: 97 dB  
Special Features (PCM3000)  
– Digital De-Emphasis  
The PCM3000 can be programmed with a three-wire  
serial interface for special features and data formats.  
The PCM3001 can be pin-programmed for data  
formats.  
•
– Digital Attenuation (256 Steps)  
– Soft Mute  
The PCM3000 and PCM3001 are fabricated using a  
highly advanced CMOS process and are available in  
a small 28-pin SSOP package. The PCM3000/3001  
are suitable for a wide variety of cost-sensitive  
consumer applications where good performance is  
required.  
– Digital Loopback  
•
•
Sample Rate: 4 kHz to 48 kHz  
System Clock: 256 fs, 384 fs, 512 fs  
Digital  
Decimation  
Filter  
Lch In  
Digital Out  
Digital In  
Delta-Sigma  
Modulator  
Analog Front-End  
Rch In  
Serial Interface  
and  
Mode Control  
Low-Pass Filter  
and  
Output Buffer  
Multilevel  
Delta-Sigma  
Modulator  
Digital  
Interpolation  
Filter  
Lch Out  
Rch Out  
Mode Control  
System Clock  
B0006-03  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
System Two, Audio Precision are trademarks of Audio Precision, Inc.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2004, Texas Instruments Incorporated  
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PCM3001E 替代型号

型号 品牌 替代类型 描述 数据表
PCM3001E/2K TI

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