SBAU411 February   2023 ADS127L21

 

  1.   Abstract
  2.   Trademarks
  3. 1EVM Overview
    1. 1.1 ADS127L21 EVM Kit
    2. 1.2 ADS127L21EVM Board
    3. 1.3 ADS127L21EVM-PDK-GUI Unsupported Features
    4. 1.4 Related Documentation
  4. 2Analog Interface
    1. 2.1 EVM Analog Input Options
    2. 2.2 ADC Connections and Decoupling
    3. 2.3 ADC Input Drive Amplifiers
    4. 2.4 VCOM Buffer
    5. 2.5 Onboard Voltage Reference
    6. 2.6 External Voltage Reference
    7. 2.7 Clock Tree
  5. 3Digital Interface
    1. 3.1 Serial Interface
    2. 3.2 I2C bus for Onboard EEPROM
  6. 4Power Supplies
    1. 4.1 Power Connection and Configuration
    2. 4.2 Low Dropout Regulator (LDO)
  7. 5ADS127L21 EVM Software Installation
  8. 6EVM Operation
    1. 6.1 Connecting the Hardware
    2. 6.2 Optional EVM Connections
    3. 6.3 EVM GUI Global Settings for ADC Control
    4. 6.4 Time Domain Display
    5. 6.5 Frequency Domain Display
    6. 6.6 Histogram Display
    7. 6.7 Digital Filter Configuration
    8. 6.8 Digital Filter Response
  9. 7Bill of Materials, Schematics, and Layout
    1. 7.1 Bill of Materials
    2. 7.2 Schematics
    3. 7.3 Board Layout

Bill of Materials

#GUID-392D20B4-C720-4A51-964A-B7D9886F5773/GUID-FFEBC2CC-9E73-44AF-801E-D7B6EAD72A34 lists the bill of materials (BOM) for the ADS127L21EVM.

Table 7-1 ADS127L21EVM BOM

Designator

Quantity

Value

Description

Pkg Reference

Part Number

Manufacturer

!PCB1

1

Printed Circuit Board

DC192

Any

C1, C4, C7, C9, C13, C16, C21, C22, C33, C46, C55, C60

12

0.1 μF

CAP, CERM, 0.1 μF, 25 V, +/- 5%, X7R, 0603

0603

C0603C104J3RACTU

Kemet

C2, C23, C24, C34, C39, C45

6

10 μF

CAP, CERM, 10 µF, V,+/- 10%, X7R, 0805

0805

GRM21BR71A106KA73L

MuRata

C3, C49

2

22 μF

CAP, CERM, 22 µF, 25 V,+/- 10%, X7R, 1210

1210

CL32B226KAJNFNE

Samsung Electro-Mechanics

C5, C25, C31, C40, C44

5

1 μF

CAP, CERM, 1 µF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E1X7R1C105K080AC

TDK

C6, C8, C10, C11, C12, C15, C42, C43, C50, C51, C53, C54

12

1 μF

CAP, CERM, 1 μF, 25 V, +/- 10%, X7R, 0603

0603

C0603C105K3RACTU

Kemet

C14, C17, C48, C52, C56

5

10 μF

CAP, CERM, 10 μF, 25 V, +/- 10%, X7R, 1206_190

1206_190

C1206C106K3RACTU

Kemet

C18

1

680 pF

CAP, CERM, 680 pF, 25 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1E681JA01D

MuRata

C19, C35, C47

3

0.033 μF

CAP, CERM, 0.033 µF, 50 V,+/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0805

0805

CGA4J2C0G1H333J125AA

TDK

C20, C36

2

390 pF

CAP, CERM, 390 pF, 50 V, +/- 1%, C0G/NP0, 0603

0603

CC0603FRNPO9BN391

Yageo America

C26, C32

2

220 pF

CAP, CERM, 220 pF, 50 V, +/- 1%, C0G/NP0, 0603

0603

06035A221FAT2A

AVX

C28

1

120 pF

CAP, CERM, 120 pF, 50 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1H121JA01D

MuRata

C29

1

1000 pF

CAP, CERM, 1000 pF, 25 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1E102JA01D

MuRata

C30

1

2200 pF

CAP, CERM, 2200 pF, 50 V, +/- 5%, C0G/NP0, 0603

0603

GRM1885C1H222JA01D

MuRata

C38, C57

2

0.01 μF

CAP, CERM, 0.01 µF, 25 V,+/- 1%, C0G/NP0, 0603

0603

C0603C103F3GACTU

Kemet

D1, D2

2

16 V

Diode, Zener, 16 V, 500 mW, SOD-123

SOD-123

MMSZ4703T1G

ON Semiconductor

D3

1

Green

LED, Green, SMD

LED_0805

APT2012LZGCK

Kingbright

D4, D5, D6

3

5.6 V

Diode, Zener, 5.6 V, 500 mW, SOD-123

SOD-123

MMSZ4690T1G

ON Semiconductor

D7

1

3 V

Diode, Zener, 3 V, 500 mW, SOD-123

SOD-123

MMSZ4683T1G

ON Semiconductor

H1, H2, H3, H4

4

Bumpon, Hemisphere, 0.44 X 0.20, Clear

Transparent Bumpon

SJ-5303 (CLEAR)

3M

H5, H6

2

Machine Screw Pan PHILLIPS M3

RM3X4MM 2701

APM HEXSEAL

H7, H8

2

ROUND STANDOFF M3 STEEL 5 MM

ROUND STANDOFF M3 STEEL 5 MM

9774050360R

Wurth Elektronik

J1

1

Header(Shrouded), 19.7mil, 30x2, Gold, SMT

Header (Shrouded), 19.7mil, 30x2, SMT

QTH-030-01-L-D-A

Samtec

J2

1

Header, 100mil, 9x2, Gold, TH

9x2 Header

TSW-109-07-G-D

Samtec

J3, J6

2

Connector, End launch SMA, 50 ohm, SMT

End Launch SMA

142-0701-801

Cinch Connectivity

J4

1

Header, 100mil, 4x1, Gold, TH

4x1 Header

TSW-104-07-G-S

Samtec

J5, J7, J12

3

Terminal Block, 3.5 mm, 3x1, Tin, TH

Terminal Block, 3.5 mm, 3x1, TH

393570003

Molex

J8, J14

2

SMA Straight Jack, Gold, 50 Ohm, TH

SMA Straight Jack, TH

901-144-8RFX

Amphenol RF

J10, J11, J13

3

Terminal Block, 3.5mm Pitch, 2x1, TH

7.0x8.2x6.5mm

ED555/2DS

On-Shore Technology

JP1

1

Header, 100mil, 2x1, Gold, TH

2x1 Header

TSW-102-07-G-S

Samtec

JP4, JP5, JP6, JP7

4

Header, 100mil, 3x1, Gold, TH

3x1 Header

TSW-103-07-G-S

Samtec

LBL1

1

PCB Label 0.650 x 0.200 inch

THT-14-423-10

Brady

R1, R2, R4, R21, R28, R31, R47, R50, R71, R72, R74, R78, R81, R84, R90, R92, R94, R96, R97, R100

20

0

RES, 0, 5%, 0.1 W, 0603

0603

RC0603JR-070RL

Yageo

R3, R25, R49, R65, R70, R86

6

10.0k

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

0603

RC0603FR-0710KL

Yageo

R5

1

0.047

RES, 0.047, 1%, 0.1 W, AEC-Q200 Grade 1, 0603

0603

ERJ-L03KF47MV

Panasonic

R6

1

120k

RES, 120 k, 0.1%, 0.1 W, 0603

0603

RG1608P-124-B-T5

Susumu Co Ltd

R7, R11, R15, R69

4

0.1

RES, 0.1, 1%, 0.1 W, AEC-Q200 Grade 1, 0603

0603

ERJ-L03KF10CV

Panasonic

R8, R9, R10, R12, R13, R14, R16, R18

8

10

RES, 10.0, 1%, 0.25 W, AEC-Q200 Grade 0, 0603

0603

CRCW060310R0FKEAHP

Vishay-Dale

R17, R26, R33, R44, R53, R67

6

499

RES, 499, 0.1%, 0.1 W, 0603

0603

RG1608P-4990-B-T5

Susumu Co Ltd

R19, R20, R68, R91, R98

5

100k

RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW0603100KFKEA

Vishay-Dale

R24, R36, R38, R46, R58, R63, R66

7

1.00k

RES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW06031K00FKEA

Vishay-Dale

R27, R54

2

1.00k

RES, 1.00 k, 0.1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

ERA3AEB102V

Panasonic

R34, R55, R64

3

37.4

RES, 37.4, 1%, 0.1 W, 0603

0603

RC0603FR-0737R4L

Yageo

R37, R43, R87, R88, R101

5

49.9

RES, 49.9, 0.1%, 0.1 W, 0603

0603

RT0603BRD0749R9L

Yageo America

R39, R40

2

22

RES, 22.0, 0.1%, 0.063 W, 0603

0603

CPF0603B22RE1

TE Connectivity

R61, R62, R76, R77, R79

5

1

RES, 1.0, 5%, 0.4 W, AEC-Q200 Grade 0, 0805

0805

ESR10EZPJ1R0

Rohm

R80

1

11.3k

RES, 11.3 k, 1%, 0.1 W, 0603

0603

RC0603FR-0711K3L

Yageo

SH-J1, SH-J2, SH-J3, SH-J4

4

1x2

Shunt, 100mil, Flash Gold, Black

Closed Top 100 mil Shunt

SPC02SYAN

Sullins Connector Solutions

TP17, TP18

2

Terminal, Turret, TH, Double

Keystone1573-2

1573-2

Keystone

U1

1

High-Precision Voltage Reference with Integrated High-Bandwidth Buffer, DGK0008A (VSSOP-8)

DGK0008A

REF6225IDGKR

Texas Instruments

U2

1

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

TSSOP-8

BR24G32FVT-3AGE2

Rohm

U3

1

512-kSPS, Wide-Bandwidth, 24-Bit, Delta-Sigma ADC

WQFN20

ADS127L21IRUKR

Texas Instruments

U4

1

Precision, 20 MHz, 0.9 pA Ib, RRIO, CMOS Operational Amplifier, DGS0010A (VSSOP-10)

DGS0010A

OPA2320SAIDGSR

Texas Instruments

U5

1

Low Power, High Supply Range, 70 MHz, Fully Differential Amplifier, RUN0010A (WQFN-10)

RUN0010A

THS4561IRUNR

Texas Instruments

U7

1

High-Voltage, Rail-to-Rail Input/Output, 5 µV, 0.2 µV/˚C, Precision Operational Amplifier, DGK0008A (VSSOP-8)

DGK0008A

OPA192IDGKT

Texas Instruments

U8

1

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

RGW0020A

TPS7A4700RGWR

Texas Instruments

U9

1

Vin -3V to -36V, -200mA, Ultra-Low-Noise, High-PSRR, Low-Dropout (LDO) Linear Regulator, DRB0008A (VSON-8)

DRB0008A

TPS7A3001DRBR

Texas Instruments

U10

1

Low-Power Single Schmitt-Trigger Buffer, DCK0005A, LARGE T&R

DCK0005A

Texas Instruments

Y1

1

32.768 MHz XO (Standard) CMOS Oscillator 1.6 V ~ 3.63 V Standby (Power Down) 4-SMD, No Lead

SMT4_2MM0_1MM6

KC2016K32.7680C1GE00

Kyocera