SNVU699 October   2020

 

  1.   Trademarks
  2. 1Overview
    1. 1.1 REF70EVM Features
    2. 1.2 REF70EVM Schematic
    3. 1.3 REF70EVM Bill of Materials
    4. 1.4 REF70EVM Board
  3. 2Quick Setup Guide
    1. 2.1 Electrostatic Discharge Warning
    2. 2.2 Unpacking the EVM
    3. 2.3 Power Supply Setup and Functional Test
  4. 3EVM Theory and Operation
    1. 3.1 VREF Output's OUTF and OUFS
    2. 3.2 Output Capacitor
  5. 4Layout and Component Placement

REF70EVM Bill of Materials

DESIGNATOR

QUANTITY

VALUE

DESCRIPTION

PACKAGE REFERENCE

PART NUMBER

MANUFACTURER

!PCB

1

Printed Circuit Board

LP026

Any

C1, C3, C5, C7

4

10uF

CAP, CERM, 10 uF, 35 V, +/- 10%, X7R, 1206

1206

GMK316AB7106KL

Taiyo Yuden

C2, C6

2

0.1uF

CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E2X7R1H104K080AA

TDK

C4, C8

2

0.1uF

CAP, CERM, 0.1 uF, 16 V, +/- 10%, X7R, 0603

0603

C0603X104K4RACTU

Kemet

FID1, FID2, FID3

3

Fiducial mark. There is nothing to buy or mount.

N/A

N/A

N/A

H1, H2, H3, H4

4

Bumpon, Hemisphere, 0.44 X 0.20, Clear

Transparent Bumpon

SJ-5303 (CLEAR)

3M

J1, J3, J5, J7

4

Header, 100mil, 3x1, Gold, TH

3x1 Header

TSW-103-07-G-S

Samtec

J2, J4, J6, J8

4

Header, 100mil, 2x1, Gold, TH

2x1 Header

TSW-102-07-G-S

Samtec

R1, R2

2

0

RES, 0, 5%, 0.063 W, 0402

0402

RC0402JR-070RL

Yageo America

SH-J1, SH-J3, SH-J5, SH-J7

4

1x2

Shunt, 100mil, Flash Gold, Black

Closed Top 100mil Shunt

SPC02SYAN

Sullins Connector Solutions

U2

1

Ultra High-Precision Voltage Reference

LCCC8

REF7025QFKH

Texas Instruments