V + * R 2 R 1 VCOM OPA2134 + 2 3 1
參數(shù)資料
型號: PCM1602APTG4
廠商: Texas Instruments
文件頁數(shù): 28/46頁
文件大?。?/td> 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
PCM1602A
A
V + *
R
2
R
1
VCOM
OPA2134
+
2
3
1
C1
R3
R2
C2
R1
C3
10
F
+
S0056-05
R4
+
OPA337
To Additional
Low-Pass
Filter Circuits
VOUT
VIN
Digital Logic
and
Audio
Processor
Digital Power
+VD
DGND
Digital Section
Analog Section
Return Path for Digital Signals
Analog Power
+VS
AGND
VS
+5VA
Digital
Ground
Analog
Ground
Output
Circuits
PCM1602A
AGND
VCC
VDD
DGND
REG
B0031-06
SLES146A – AUGUST 2005 – REVISED OCTOBER 2010
www.ti.com
Figure 33. Single-Supply Filter Circuit
PCB LAYOUT GUIDELINES
A typical PCB floor plan for the PCM1602A is shown in Figure 34. A ground plane is recommended, with the
analog and digital sections being isolated from one another using a split or cut in the circuit board. The
PCM1602A should be oriented with the digital I/O pins facing the ground plane split/cut to allow for short, direct
connections to the digital audio interface and control signals originating from the digital section of the board.
Figure 34. Recommended PCB Layout
34
Copyright 2005–2010, Texas Instruments Incorporated
Product Folder Link(s): PCM1602A
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