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PCM3008 PDF预览

PCM3008

更新时间: 2024-11-29 22:44:31
品牌 Logo 应用领域
德州仪器 - TI 解码器编解码器输出元件输入元件
页数 文件大小 规格书
27页 424K
描述
LOW POWER AND LOW VOLTAGE 16-BIT, SINGLE-ENDED ANALOG INPUT/OUTPUT STEREO AUDIO CODEC

PCM3008 数据手册

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PCM3008  
SLAS332 – APRIL 2001  
LOW POWER AND LOW VOLTAGE 16-BIT, SINGLE-ENDED  
ANALOG INPUT/OUTPUT STEREO AUDIO CODEC  
FEATURES  
APPLICATIONS  
D
16-Bit Delta-Sigma ADC and DAC  
D
D
D
Digital Video Camera  
Portable MD Player  
Other Portable System  
D
Stereo ADC:  
– Single-Ended Voltage Input  
– Anti-Aliasing Filter Included  
– High Performance  
DESCRIPTION  
– THD+N: –84 dB  
The PCM3008 is a low cost single chip 16-bit  
stereo audio codec with single-ended analog  
voltage input and output.  
– SNR: 88 dB  
– Dynamic Range: 88 dB  
– 1/64× Decimation Digital Filter  
– Passband Ripple: ±0.05 dB  
– Stopband Attenuation: –65 dB  
– Digital HPF Included  
Both ADCs and DACs employ delta-sigma  
modulation with 64-times oversampling. ADCs  
include a digital decimation filter and digital high  
pass filter. DACs include an 8-times oversampling  
digital interpolation filter, digital de-emphasis filter  
and pop-noise free muting which works during the  
power down ON/OFF sequence. The PCM3008  
accepts left-justified format for ADC, and  
right-justified format for DAC. Independent  
power-down modes for ADC and DAC are  
provided.  
D
Stereo DAC:  
– Single-Ended Voltage Output  
– Analog LPF and FIR Filter Included  
– High Performance  
– THD+N: –88 dB  
– SNR: 92 dB  
– Dynamic Range: 92 dB  
– 8× Oversampling Digital Filter  
– Passband Ripple: ±0.1 dB  
– Stopband Attenuation: –43 dB  
The PCM3008 is suitable for a wide variety of  
cost-sensitive consumer applications where good  
performance is required. It is fabricated using a  
highly advanced CMOS process and is available  
in a small 16-pin TSSOP package.  
D
D
Audio Data Format:  
– ADC: 16-bit, Left-Justified  
– DAC: 16-bit, Right-Justified  
Special Built-In Functions:  
– Digital De-Emphasis: 32, 44.1, 48 kHz  
– ADC/DAC Independent Power Down With  
Pop-Noise Free Muting  
D
D
D
Sampling Rate: 8 kHz to 48 kHz  
System Clock: 256f , 384f , 512f  
S
Low Voltage Power Supply:  
S
S
– 2.4 V TYP, 2.1 V MIN to 3.6 V MAX  
D
D
Low Power Dissipation:  
– 32 mW at V  
= 2.4 V  
CC  
Package: 16-Pin TSSOP  
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.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright 2001, Texas Instruments Incorporated  
1
www.ti.com  

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