VDD Digital Section Analog Section RF Choke or Ferrite Bead Power Supplies Common Ground Output Circuit" />
參數(shù)資料
型號: PCM1602APTG4
廠商: Texas Instruments
文件頁數(shù): 29/46頁
文件大小: 0K
描述: IC DAC 24BIT 6CH 192KHZ 48-LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 250
位數(shù): 24
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 6
電壓電源: 模擬和數(shù)字
功率耗散(最大): 240mW
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 6 電壓,單極
采樣率(每秒): 192k
配用: DEM-DAI1602-ND - EVAL FIXTURE FOR PCM1602
VDD
Digital Section
Analog Section
RF Choke or Ferrite Bead
Power Supplies
Common
Ground
Output
Circuits
AGND
VCC
+VS
+5V
VS
AGND
VDD
DGND
REG
PCM1602A
B0032-06
Digital Logic
and
Audio
Processor
www.ti.com
SLES146A – AUGUST 2005 – REVISED OCTOBER 2010
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 DACs. 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 35 shows the
recommended approach for single-supply applications.
Figure 35. Single-Supply PCB Layout
Copyright 2005–2010, Texas Instruments Incorporated
35
Product Folder Link(s): PCM1602A
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