COMPRO U3 - START UP GUIDE User Manual download pdf

DEMO MANUAL DC209

HIGH SPEED A/D DEMO BOARD

The LTC

1404 is a 1.6µs, 600ksps, sampling 12-bit A/D

converter that draws only 75mW from single 5V or ±5V

supplies. The LTC1404 demo board provides the user with

a way to evaluate the LTC1404 high speed A/D converter.

In addition, the LTC1404 demo board is intended to

illustrate the layout and bypassing techniques required to

obtain optimum performance from this part. The LTC1404

demo board is designed to be easy to use and requires only

±7V to ±15V supplies, a conversion-start signal and an

analog input signal. As shown in the Board Photo, the

LTC1404 is a very space efficient solution for

A/D users. By combining a 12-bit A/D, sample-and-hold,

reference and clock circuitry into a single SO package, all

the data acquisition circuitry, including the bypass caps,

can be placed into an area of only 0.19 inch

. The LTC1404

is intended for applications in telecommunications, digital

signal processing, imaging or any high speed, high reso-

lution data acquisition application.

This manual shows how to use the demo board. Included

are timing diagrams, power supply requirements and

analog input range information. Additionally, a schematic,

parts list, drawings and dimensions of all the PC board

layers are included. An explanation of the layout and

bypass strategies used in this board is also included so

that anyone designing a PC board using the LTC1404 will

be able to get the maximum performance from the device.

Gerber files for this circuit board are available. Call the

LTC factory.

Some key features of this demo board include:

• Proven 600ksps 12-bit ADC surface mount layout

• Actual ADC footprint only 0.19 inch

including

bypass capacitors

• 72dB SINAD and –80dB THD at 100kHz inputs (Typ)

LTC1404, SO-8 12-Bit 600ksps

A/D Converter Demo Board

4096 Point FFT of LTC1404 Demo Board

FREQUENCY (kHz)

0 60 90 120 150 180 210 240 270 300

AMPLITUDE (dB)

1404 G05

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

SAMPLE

= 600kHz

= 99.1699kHz

SINAD = 71dB

THD = –77dB

Board Photo

DC209 BP

, LTC and LT are registered trademarks of Linear Technology Corporation.

DESCRIPTIO

TYPICAL PERFORM ANCE CHARACTERISTICS AND BOARD PHOTO

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - A/D Converter Demo Board

1DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARDThe LTC®1404 is a 1.6µs, 600ksps, sampling 12-bit A/Dconverter that draws only 75mW from single 5V or ±5Vsu

Page 2 - HIGH SPEED A/D DEMO BOARD

2DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARDPACKAGE A D SCHE ATIC DIAGRA SUWW+++++J27V TO 15VJ3GNDJ4–7V TO –15VJ1BNCCLKINPUTCLK INR1351ΩAGND DGND5

Page 3 - PARTS LIST

3DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARDREFERENCEDESIGNATOR QUANTITY PART NUMBER DESCRIPTION VENDOR TELEPHONEC1 to C4, C6, C11 9 12065C104KATM 0.1µ

Page 4 - OPERATIO

4DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARD OPERATIOUis driven by the clock signal applied to CLK input J1. TheCONV signal remains low, as shown in Fi

Page 5

5DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARD OPERATIOUor Excel can be used to calculate FFTs. The FFTs can beused to obtain LTC1404 AC specifications,

Page 6 - PCB LAYOUT A D FIL

6DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARDPCB LAYOUT A D FILUWComponent Side Silkscreen Component SideComponent Side Solder Mask

Page 7

7DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARDInformation furnished by Linear Technology Corporation is believed to be accurate and reliable.However, no

Page 8 - PC FAB DRAWI G

8DEMO MANUAL DC209HIGH SPEED A/D DEMO BOARD dc209f LT/TP 0599 500 • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1999PC FAB DRAWI GULinear Technolog

COMPRO U3 - START UP GUIDE User Manual

Browse online or download User Manual for TVs & monitors COMPRO U3 - START UP GUIDE. DC209 - LTC1404CS8 Evaluation Kit Quick Start Guide

Summary of Contents

More documents for TVs & monitors COMPRO U3 - START UP GUIDE

Comments to this Manuals