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PCM1789 PDF预览

PCM1789

更新时间: 2024-10-29 05:59:55
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
39页 1128K
描述
24-Bit, 192-kHz Sampling, Enhanced Multi-Level ΔΣ,Stereo, Audio Digital-to-Analog Converter

PCM1789 数据手册

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PCM1789  
Burr-Brown Audio  
www.ti.com.............................................................................................................................................................................................. SBAS451OCTOBER 2008  
24-Bit, 192-kHz Sampling, Enhanced Multi-Level ΔΣ,  
Stereo, Audio Digital-to-Analog Converter  
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FEATURES  
External Reset Pin  
Power Supplies:  
2345  
Enhanced Multi-Level Delta-Sigma DAC:  
High Performance: Differential, fS = 48 kHz  
THD+N: –94 dB  
– 5 V for Analog and 3.3 V for Digital  
Package: TSSOP-24  
SNR: 113 dB  
Operating Temperature Range:  
Dynamic Range: 113 dB  
Sampling Rate: 8 kHz to 192 kHz  
– –40°C to +85°C  
APPLICATIONS  
System Clock: 128 fS, 192 fS, 256 fS, 384 fS,  
512 fS, 768 fS, 1152 fS  
Blu-ray Disc™ Players  
DVD Players  
AV Receivers  
Home Theaters  
Car Audio External Amplifiers  
Car Audio AVN Applications  
Differential Voltage Output: 8 VPP  
Analog Low-Pass Filter Included  
4x/8x Oversampling Digital Filter:  
Passband Ripple: ±0.0018 dB  
Stop Band Attenuation: –75 dB  
Zero Flags (16-/20-/24-Bits)  
DESCRIPTION  
Flexible Audio Interface:  
The PCM1789 is a high-performance, single-chip,  
24-bit, stereo, audio digital-to-analog converter (DAC)  
with differential outputs. The two-channel, 24-bit DAC  
employs an enhanced multi-level, delta-sigma (ΔΣ)  
modulator, and supports 8 kHz to 192 kHz sampling  
rates and a 16-/20-/24-/32-bit width digital audio input  
word on the audio interface. The audio interface of  
PCM1789 supports a 24-bit, DSP format in addition  
to I2S, left-justified, and right-justified formats.  
I/F Format: I2S™, Left-/Right-Justified, DSP  
Data Length: 16, 20, 24, 32 Bits  
Flexible Mode Control:  
3-Wire SPI™, 2-Wire I2C™-Compatible  
Serial Control Interface, or  
Hardware Control  
Connect Up To 4 Devices on One SPI Bus  
Multi Functions via SPI or I2C I/F:  
The PCM1789 can be controlled through a three-wire,  
SPI-compatible or two-wire, I2C-compatible serial  
interface in software, which provides access to all  
functions including digital attenuation, soft mute,  
de-emphasis, and so forth. Also, hardware control  
mode provides two user-programmable functions  
through two control pins. The PCM1789 is available  
in a 24-pin TSSOP package.  
Audio I/F Format Select: I2S, Left-Justified,  
Right-Justified, DSP  
Digital Attenuation and Soft Mute  
Digital De-Emphasis: 32 kHz, 44.1 kHz,  
48 kHz  
Data Polarity Control  
Power-Save Mode  
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Multi Functions via Hardware Control:  
Audio I/F Format Select: I2S, Left-Justified  
Digital De-Emphasis Filter: 44.1 kHz  
Analog Mute by Clock Halt Detection  
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.  
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Blu-ray Disc is a trademark of Blu-ray Disc Association.  
SPI is a trademark of Motorola, Inc.  
I2S, I2C are trademarks of NXP Semiconductors.  
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 © 2008, Texas Instruments Incorporated  

PCM1789 替代型号

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