參數(shù)資料
型號： PCM1754DBQR
英文描述： 24-BIT, 192 kHz SAMPLING ENHANCED MULTI-LEVEL, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER
中文描述： 24位192千赫采樣增強的多級Δ-Σ，音頻數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 27/33頁
文件大?。?/td> 309K
代理商： PCM1754DBQR
PCM1753
PCM1754
PCM1755
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
www.ti.com
27
Digital Logic
and
Audio
Processor
Digital Power
+V
D
DGND
Digital Section
Analog Section
Return Path for Digital Signals
Analog Power
+V
S
AGND
–V
S
+5VA
Digital
Ground
Analog
Ground
Output
Circuits
PCM1753/54/55
AGND
V
CC
DGND
Figure 30. Recommended PCB Layout
Separate power supplies are recommended for the digital and analog sections of the board. This prevents the
switching noise present on the digital supply from contaminating the analog power supply and degrading the
dynamic performance of the PCM1753/54/55. In cases where a common 5-V supply must be used for the
analog and digital sections, an inductance (RF choke, ferrite bead) should be placed between the analog and
digital 5-V supply connections to avoid coupling of the digital switching noise into the analog circuitry. Figure 31
shows the recommended approach for single-supply applications.
V
DD
Digital Section
Analog Section
RF Choke or Ferrite Bead
Power Supplies
Common
Ground
Output
Circuits
AGND
V
CC
+V
S
+5V
–V
S
AGND
DGND
PCM1753/54/55
Figure 31. Single-Supply PCB Layout
相關(guān)PDF資料
PDF描述
PCM1760 Multi-Bit Enhanced Noise Shaping 20-Bit ANALOG-TO-DIGITAL CONVERSION SYSTEM
PCM1760P Multi-Bit Enhanced Noise Shaping 20-Bit ANALOG-TO-DIGITAL CONVERSION SYSTEM
PCM1808 SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER
PCM1808PW SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER
PCM1808PWG4 SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1754DBQRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1754-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:24-BIT 192-kHz SAMPLING ENHANCED MULTI-LEVEL DELTA-SIGMA AUDIO DIGITAL-TO-ANALOG CONVERTER
PCM1754TDBQRQ1 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC AC 106dB SNR Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1755 制造商:BB 制造商全稱:BB 功能描述:24-BIT, 192 kHz SAMPLING ENHANCED MULTI-LEVEL, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER
PCM1755DBQ 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PCM175x: 24-Bit Multi 192kHz Samp RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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