ZHCABM4A April   2022  – May 2022 ADS8588S , ADS8681 , ADS8686S , ADS8688 , ADS8688A

 

  1.   摘要
  2.   商标
  3. 1引言
  4. 2电路设计和测试系统
    1. 2.1 设计说明
      1. 2.1.1 输入保护
      2. 2.1.2 电源设计和保护
      3. 2.1.3 数字隔离设计
      4. 2.1.4 元件选择和布局布线注意事项
    2. 2.2 测试系统
      1. 2.2.1 参考文献
    3. 2.3 标准和测试准则
  5. 3测试细节和结果
    1. 3.1 电快速瞬变 (EFT)
    2. 3.2 静电放电 (ESD)
    3. 3.3 浪涌抗扰度 (SI)
    4. 3.4 传导抗扰度 (CI)
    5. 3.5 辐射抗扰度 (RI)
    6. 3.6 辐射发射 (RE)
      1.      20
  6. 4原理图
  7. 5PCB 布局
  8. 6物料清单
  9. 7鸣谢
  10. 8参考文献
  11. 9修订历史记录

物料清单

表 6-1 列出了该电路设计的 BOM。

表 6-1 物料清单
名称器件型号制造商说明

C1、C3、C5、C7、C9、C11、C15

GRM188R60J106ME84

MuRata

电容,陶瓷,10μF,6.3V,±20%,X5R,0603

C2、C4、C6、C8、C10、C12、C16

GRM155R71C104KA88D

MuRata

电容,陶瓷,0.1µF,16V,±10%,X7R,0402

C13

C0805C104K4RACTU

Kemet

电容,陶瓷,0.1µF,16V,±10%,X7R,0805

C14、C49、C50、C53、C54、C57、C58、C59、C63、C64

C0805C106K8PACTU

Kemet

电容,陶瓷,10µF,10V,±10%,X5R,0805

C17、C18、C19、C20、C25、C26、C31、C32、C33、C34、C35、C36、C41、C42、C47、C48、C76

GRM1885C1H102FA01J

MuRata

电容,陶瓷,1000pF,50V,±1%,C0G/NP0,0603

C21、C22、C23、C24、C27、C28、C29、C30、C37、C38、C39、C40、C43、C44、C45、C46

C3216C0G2E153J160AA

TDK

电容,陶瓷,0.015µF,250V,±5%,C0G/NP0,1206_190

C51、C52、C71、C73、C79、C82、C86

TMK107BJ105KA-T

Taiyo Yuden

电容,陶瓷,1µF,25V,±10%,X5R,0603

C55、C56、C60、C61、C62、C65、C66、C78

C0603C104K5RACTU

Kemet

电容,陶瓷,0.1µF,50V,±10%,X7R,0603

C67、C68、C81、C84

C3216X5R1E476M160AC

TDK

电容,陶瓷,47µF,25V,±20%,X5R,1206_190

C69、C74

CL32B106KBJNNWE

Samsung Electro-Mechanics

电容,陶瓷,10µF,50V,±10%,X7R,1210

C70、C72、C83、C85

C2012X5R1A476M125AC

TDK

电容,陶瓷,47µF,10V,±20%,X5R,0805

C75

293D107X9020E2TE3

Vishay-Sprague

电容,钽,100uF,20V,±10%,0.5Ω,SMD

C77、C80

CL31A106KBHNNNE

Samsung Electro-Mechanics

电容,陶瓷,10µF,50V,±10%,X5R,1206_190

C87、C88、C89、C90

1812HC222KAT1A

AVX

电容,陶瓷,2200pF,3000V,±10%,X7R,1812

CLB1

6607652

CNC Teck

102-1092-BL-00100;线缆,USB,A 公型转 B Micro 公型,1M;6607652 包装项

D1、D2、D3、D4、D5、D6、D7、D8、D9、D10、D11、D12、D13、D14、D15、D16

SMBJ10CA

Littelfuse

二极管,TVS,双向,10V,SMB

D17、D19

MBRS4201T3G

ON Semiconductor

二极管,肖特基,200V,4A,SMC

D18、D20

MMSZ4702T1G

ON Semiconductor

二极管,齐纳,15V,500mW,SOD-123

D21、D22

MBR0520LT1G

ON Semiconductor

二极管,肖特基,20V,0.5A,SOD-123

D23

1SMB5915BT3G

ON Semiconductor

二极管,齐纳,3.9V,550mW,SMB

D24

1SMB5919BT3G

ON Semiconductor

二极管,齐纳,5.6V,550mW,SMB

F1,F2,F3,F4,F5,F6,F7,F8

PTS120660V010

Eaton

保险丝,0.1A,60VDC,SMD

FID1、FID2、FID3、FID4、FID5、FID6

不适用

不适用

基准标记。没有需要购买或安装的元件。

H1、H2、H3、H4

PMSSS 440 0025 PH

B&F Fastener Supply

机械螺钉盘 飞利浦4-40

H5、H6、H7、H8

1891

Keystone

六角螺柱,4-40,铝,1/4 英寸

H9、H10

9774050360R

Wurth Elektronik

圆形电路板衬垫 M3 钢制 5MM

H11、H12

RM3X4MM 2701

APM HEXSEAL

机械螺钉盘 飞利浦 M3

J1、J2

1803413

Phoenix Contact

端子块,3.81mm,16 × 1,R/A,TH

J3

QTH-030-01-L-D-A

Samtec

接头(有罩),19.7mil,30 × 2,金,SMT

J4,J5,J6

39357-0002

Molex

端子块,3.5mm,2 x 1,锡,TH

L1、L2

HZ1206D102R-10

Laird-Signal Integrity Products

铁氧体磁珠,1000Ω(在 100MHz 时),0.4A,1206

LBL1

THT-14-423-10

Brady

热转印打印标签,0.650"(宽)x 0.200"(高)- 10,000/卷

LED1

150060RS75000

Wurth Elektronik

LED,红光,SMD

LED2

LTST-C193TGKT-5A

Lite-On

LED,绿光,SMD

R1、R3、R23、R34、R113

RC0603FR-07100KL

Yageo

电阻器,100k,1%,0.1W,0603

R7、R8、R9、R10、R11、R12、R13、R14、R15、R21、R22、R24、R25、R26、R28、R30、R32、R35、R38

RC0603FR-071KL

Yageo

电阻器,1.00k,1%,0.1W,0603

R39、R41、R47、R49、R67、R69、R75、R77

CRCW12061K00FKEA

Vishay-Dale

电阻器,1.00 k,1%,0.25W,1206

R40、R42、R45、R46、R48、R50、R53、R54、R55、R56、R59、R60、R61、R62、R65、R66、R68、R70、R73、R74、R76、R78、R81、R82、R83、R84、R87、R88、R89、R90、R93、R94

RT0603BRD071KL

Yageo America

电阻器,1.00k,0.1%,0.1W,0603

R95、R96、R97、R100、R101、R102、R103、R104、R106、R107、R109、R110、R117、R118、R119、R121

RC0603FR-0749R9L

Yageo

电阻器,49.9,1%,0.1W,0603

R99

ERJ-3RQFR22V

Panasonic

电阻器,0.22,1%,0.1W,0603

R105、R114

ERJ-P06F10R0V

Panasonic

电阻器,10.0,1%,0.5W,AEC-Q200 0 级,0805

R111、R112、R115、R122、R123

RC0603FR-0710KL

Yageo

电阻器,10.0k,1%,0.1W,0603

R116、R126、R129、R132、R133、R134、R138、R141、R143、R144、R149、R152

CRCW06030000Z0EA

Vishay-Dale

电阻器,0,5%,0.1W,0603

R120

RC0603FR-072K7L

Yageo

电阻器,2.70k,1%,0.1W,0603

R124、R125、R137、R145

ERJ-3RSFR10V

Panasonic

电阻器,0.1,1%,0.1W,0603

R135、R136

CRCW12060000Z0EAHP

Vishay-Dale

电阻器,0,0.75W,AEC-Q200 0 级,1206

R139、R147

RC0603FR-076K65L

Yageo

电阻器,6.65k,1%,0.1W,0603

R146、R148、R156、R157

CHV2010-FX-3304ELF

Bourns

电阻器,SMD,3.3mΩ,1%,1/2W,2010

R159、R160

5108

Keystone

电阻器,0,1%,0.5 W,1206

S1

EVQPNF04M

Panasonic

开关,触控式,单刀单掷-常开,0.05A,12V,SMD

T1

750315240

Wurth Elektronik

变压器,110µH,SMT

TP1,TP2,TP3,TP4,TP5,TP6,TP7,TP8,TP9,TP10,TP11,TP12

5015

Keystone

测试点,微型,SMT

U1

ADS8686SIPZA

德州仪器 (TI)

16 通道,16 位,1MSPS,双路,集成模拟前端同步采样 ADC,PZA0080A (LQFP-80)

U2

REF5025IDR

德州仪器 (TI)

低噪声,极低漂移,精密电压基准,-40°C 至 125°C,8 引脚 SOIC(D),绿色(RoHS,无锑/溴)

U3,U5

ISO7742DWR

德州仪器 (TI)

高速,低功耗,强健 EMC 四通道数字隔离器,DW0016B (SOIC-16)

U4

BR24G32FVT-3AGE2

Rohm

I2C BUS EEPROM(2 线),TSSOP-B8

U6、U7、U9、U10

TPS7A4700RGWR

德州仪器 (TI)

36V,1A,4.17μVRMS,射频 LDO 稳压器,RGW0020A (VQFN-20)

U8

SN6505ADBVR

德州仪器 (TI)

用于隔离电源的低噪声 1A 变压器驱动器,内部时钟 160kHz,DBV0006A (SOT-23-6)

R2、R6、R36

RC0603FR-071KL

Yageo

电阻器,1.00k,1%,0.1W,0603

R4、R5、R16、R17、R18、R19、R20、R27、R29、R31、R33、R37

RC0603FR-07100KL

Yageo

电阻器,100k,1%,0.1W,0603

R43、R44、R51、R52、R57、R58、R63、R64、R71、R72、R79、R80、R85、R86、R91、R92

CRCW080549K9FKEA

Vishay-Dale

电阻器,49.9k,1%,0.125W,0805

R98

RC0603FR-0710KL

Yageo

电阻器,10.0k,1%,0.1W,0603

R108、R127、R128、R130、R131、R140、R142、R150、R151、R153、R154

CRCW06030000Z0EA

Vishay-Dale

电阻器,0,5%,0.1 W,0603

R155、R158

5108

Keystone

电阻器,0,1%,0.5 W,1206