SBAA548A April   2022  – May 2022 ADS8588S , ADS8681 , ADS8686S , ADS8688 , ADS8688A

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Circuit Design and Test System
    1. 2.1 Design Description
      1. 2.1.1 Input Protection
      2. 2.1.2 Power Supply Design and Protection
      3. 2.1.3 Digital Isolation Design
      4. 2.1.4 Component Selection and Layout Considerations
    2. 2.2 Test System
      1. 2.2.1 Reference
    3. 2.3 Standards and Test Criteria
  5. 3Test Details and Results
    1. 3.1 Electrical Fast Transients (EFT)
    2. 3.2 Electrostatic Discharge (ESD)
    3. 3.3 Surge Immunity (SI)
    4. 3.4 Conducted Immunity (CI)
    5. 3.5 Radiated Immunity (RI)
    6. 3.6 Radiated Emissions (RE)
      1.      20
  6. 4Schematics
  7. 5PCB Layouts
  8. 6Bill of Materials
  9. 7Acknowledgments
  10. 8References
  11. 9Revision History

Bill of Materials

Table 6-1 lists the BOM for this circuit design.

Table 6-1 Bill of Materials
DesignatorPart NumberManufacturerDescription

C1, C3, C5, C7, C9, C11, C15

GRM188R60J106ME84

MuRata

CAP, CERM, 10 μF, 6.3 V, ±±20%, X5R, 0603

C2, C4, C6, C8, C10, C12, C16

GRM155R71C104KA88D

MuRata

CAP, CERM, 0.1 μF, 16 V, ±10%, X7R, 0402

C13

C0805C104K4RACTU

Kemet

CAP, CERM, 0.1 μF, 16 V, ±10%, X7R, 0805

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

C0805C106K8PACTU

Kemet

CAP, CERM, 10 μF, 10 V, ±10%, X5R, 0805

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

GRM1885C1H102FA01J

MuRata

CAP, CERM, 1000 pF, 50 V, ±1%, C0G/NP0, 0603

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

C3216C0G2E153J160AA

TDK

CAP, CERM, 0.015 μF, 250 V, ±5%, C0G/NP0, 1206_190

C51, C52, C71, C73, C79, C82, C86

TMK107BJ105KA-T

Taiyo Yuden

CAP, CERM, 1 µF, 25 V,±10%, X5R, 0603

C55, C56, C60, C61, C62, C65, C66, C78

C0603C104K5RACTU

Kemet

CAP, CERM, 0.1 μF, 50 V, ±10%, X7R, 0603

C67, C68, C81, C84

C3216X5R1E476M160AC

TDK

CAP, CERM, 47 μF, 25 V, ±20%, X5R, 1206_190

C69, C74

CL32B106KBJNNWE

Samsung Electro-Mechanics

CAP, CERM, 10 µF, 50 V,±10%, X7R, 1210

C70, C72, C83, C85

C2012X5R1A476M125AC

TDK

CAP, CERM, 47 μF, 10 V, ±20%, X5R, 0805

C75

293D107X9020E2TE3

Vishay-Sprague

CAP, TA, 100 μF, 20 V, ±10%, 0.5 ohm, SMD

C77, C80

CL31A106KBHNNNE

Samsung Electro-Mechanics

CAP, CERM, 10 μF, 50 V, ±10%, X5R, 1206_190

C87, C88, C89, C90

1812HC222KAT1A

AVX

CAP, CERM, 2200 pF, 3000 V, ±10%, X7R, 1812

CLB1

6607652

CNC Teck

102-1092-BL-00100; Cable, USB, A Male - B Micro Male, 1M; 6607652 Kitting Item

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

SMBJ10CA

Littelfuse

Diode, TVS, Bi, 10 V, SMB

D17, D19

MBRS4201T3G

ON Semiconductor

Diode, Schottky, 200 V, 4 A, SMC

D18, D20

MMSZ4702T1G

ON Semiconductor

Diode, Zener, 15 V, 500 mW, SOD-123

D21, D22

MBR0520LT1G

ON Semiconductor

Diode, Schottky, 20 V, 0.5 A, SOD-123

D23

1SMB5915BT3G

ON Semiconductor

Diode, Zener, 3.9 V, 550 mW, SMB

D24

1SMB5919BT3G

ON Semiconductor

Diode, Zener, 5.6 V, 550 mW, SMB

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

PTS120660V010

Eaton

Fuse, 0.1 A, 60 VDC, SMD

FID1, FID2, FID3, FID4, FID5, FID6

N/A

N/A

Fiducial mark. There is nothing to buy or mount.

H1, H2, H3, H4

PMSSS 440 0025 PH

B&F Fastener Supply

MACHINE SCREW PAN PHILLIPS 4-40

H5, H6, H7, H8

1891

Keystone

Hex Standoff, #4-40, Aluminum, 1/4"

H9, H10

9774050360R

Wurth Elektronik

ROUND STANDOFF M3 STEEL 5MM

H11, H12

RM3X4MM 2701

APM HEXSEAL

Machine Screw Pan PHILLIPS M3

J1, J2

1803413

Phoenix Contact

Terminal Block, 3.81 mm, 16 × 1, R/A, TH

J3

QTH-030-01-L-D-A

Samtec

Header(Shrouded), 19.7 mil, 30 × 2, Gold, SMT

J4, J5, J6

39357-0002

Molex

Terminal Block, 3.5 mm, 2 × 1, Tin, TH

L1, L2

HZ1206D102R-10

Laird-Signal Integrity Products

Ferrite Bead, 1000 Ω @ 100 MHz, 0.4 A, 1206

LBL1

THT-14-423-10

Brady

Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll

LED1

150060RS75000

Wurth Elektronik

LED, Red, SMD

LED2

LTST-C193TGKT-5A

Lite-On

LED, Green, SMD

R1, R3, R23, R34, R113

RC0603FR-07100KL

Yageo

RES, 100 k, 1%, 0.1 W, 0603

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

RC0603FR-071KL

Yageo

RES, 1.00 k, 1%, 0.1 W, 0603

R39, R41, R47, R49, R67, R69, R75, R77

CRCW12061K00FKEA

Vishay-Dale

RES, 1.00 k, 1%, 0.25 W, 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

RES, 1.00 k, 0.1%, 0.1 W, 0603

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

RC0603FR-0749R9L

Yageo

RES, 49.9, 1%, 0.1 W, 0603

R99

ERJ-3RQFR22V

Panasonic

RES, 0.22, 1%, 0.1 W, 0603

R105, R114

ERJ-P06F10R0V

Panasonic

RES, 10.0, 1%, 0.5 W, AEC-Q200 Grade 0, 0805

R111, R112, R115, R122, R123

RC0603FR-0710KL

Yageo

RES, 10.0 k, 1%, 0.1 W, 0603

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

CRCW06030000Z0EA

Vishay-Dale

RES, 0, 5%, 0.1 W, 0603

R120

RC0603FR-072K7L

Yageo

RES, 2.70 k, 1%, 0.1 W, 0603

R124, R125, R137, R145

ERJ-3RSFR10V

Panasonic

RES, 0.1, 1%, 0.1 W, 0603

R135, R136

CRCW12060000Z0EAHP

Vishay-Dale

RES, 0, 0.75 W, AEC-Q200 Grade 0, 1206

R139, R147

RC0603FR-076K65L

Yageo

RES, 6.65 k, 1%, 0.1 W, 0603

R146, R148, R156, R157

CHV2010-FX-3304ELF

Bourns

RES SMD 3.3M OHM 1% 1/2W 2010

R159, R160

5108

Keystone

RES, 0, 1%, 0.5 W, 1206

S1

EVQPNF04M

Panasonic

Switch, Tactile, SPST-NO, 0.05A, 12 V, SMD

T1

750315240

Wurth Elektronik

Transformer, 110 uH, SMT

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

5015

Keystone

Test Point, Miniature, SMT

U1

ADS8686SIPZA

Texas Instruments

16-Channel, 16-Bit, 1-MSPS, Dual, Simultaneous Sampling ADC With Integrated Analog Front End, PZA0080A (LQFP-80)

U2

REF5025IDR

Texas Instruments

Low Noise, Very Low Drift, Precision Voltage Reference, -40 to 125 degC, 8-pin SOIC(D), Green (RoHS & no Sb/Br)

U3, U5

ISO7742DWR

Texas Instruments

High-Speed, Low-Power, Robust EMC Quad-Channel Digital Isolator, DW0016B (SOIC-16)

U4

BR24G32FVT-3AGE2

Rohm

I2C BUS EEPROM (2-Wire), TSSOP-B8

U6, U7, U9, U10

TPS7A4700RGWR

Texas Instruments

36 V, 1 A, 4.17-μVRMS, RF LDO Voltage Regulator, RGW0020A (VQFN-20)

U8

SN6505ADBVR

Texas Instruments

Low-Noise 1-A Transformer Driver for Isolated Power Supplies, Internal Clock-160 kHz, DBV0006A (SOT-23-6)

R2, R6, R36

RC0603FR-071KL

Yageo

RES, 1.00 k, 1%, 0.1 W, 0603

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

RC0603FR-07100KL

Yageo

RES, 100 k, 1%, 0.1 W, 0603

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

CRCW080549K9FKEA

Vishay-Dale

RES, 49.9 k, 1%, 0.125 W, 0805

R98

RC0603FR-0710KL

Yageo

RES, 10.0 k, 1%, 0.1 W, 0603

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

CRCW06030000Z0EA

Vishay-Dale

RES, 0, 5%, 0.1 W, 0603

R155, R158

5108

Keystone

RES, 0, 1%, 0.5 W, 1206