Linear Technology DC2403A Guide de configuration rapide

dc2403afa

DEMO MANUAL DC2403A

DESCRIPTION

LT6200

Rail-to-Rail SAR ADC

Driver Amplifier

Demonstration circuit 2403A features the LT

6200 ampli-

fier. The DC2403A includes two of these amplifiers and is

designed to drive the inputs of the DC2290A demo board.

The DC2290A features the LT C

2387 18-bit, 15Msps

high speed SAR ADC. The linearity and low noise of the L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

LT6200 make it an ideal candidate to drive the LTC2387

at frequencies up to 1MHz. See Table 1.

Design files for this circuit board are available at

http://www.linear.com/demo/DC2403A

Figure 1. DC2403A Connection Diagram

FROM

DIFFERENTIAL

SOURCE

TO DC2290A

–5V +10V

Table 1. DC2290A (LTC2387 Family) Driver Board

INPUT FREQUENCY DRIVE BOARD AMPLIFIER

Up to 8kHz DC2402 LT6237

Up to 1MHz DC2403 LT6200

>1MHz Contact Factory Contact Factory

dc2403afa

DEMO MANUAL DC2403A

QUICK START PROCEDURE

Connect the DC2403A to a DC2290A using the two output

SMA connectors J2, J4. Connect the +10V and –5V DC

supplies to the turrets on the DC2403A.

HARDWARE SETUP

SIGNAL CONNECTIONS

J1 +IN. This is the positive signal input.

J3 –IN. This is the negative signal input.

J4 –OUT. This is the negative signal output.

J2 +OUT. This is the positive signal output.

PARTS LIST

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

1 6 C4, C6, C14, C16, C21, C23 CAP., TANT, 10µF, 16V, 20%, 0805 VISHAY, 298D106X0016R2T

2 2 C3, C5 CAP., X5R, 1µF, 16V, 10%, 0603 AVX, 0603YD105KAT2A

3 2 C1, C2 CAP., X5R, 22µF, 16V 10%, 1210 AVX, 1210YD226KAT2A

4 4 C7, C9, C20, C22 CAP., X5R, 0.1µF, 16V 10% 0402 AVX, 0402YD104KAT2A

5 1 C13 CAP., X7R, 0.01µF, 6.3V 10%, 0603 MURATA, GRM188R70J103KA01D

6 2 C8, C11 CAP., NPO, 1000pF, 16V, 5%, 1206 AVX, 1206YA102JAT2A

7 2 E4, E5 TEST POINT, TURRET, .064" MILL MAX, 2308-2-00-80-00-00-07-0

8 3 E1, E2, E3 TEST POINT, TURRET, .094" MILL-MAX, 2501-2-00-80-00-00-07-0

9 2 J1, J3 CONN, SMA, 50Ω, EDGE-LAUNCH, FEMALE E.F. JOHNSON, 142-0701-851

10 2 J2, J4 CONN, SMA, 50Ω, EDGE-LAUNCH, MALE E.F. JOHNSON, 142-0801-811

11 2 R5, R9 RES., 24.9Ω, 1/10W, 1% 0603 PANASONIC, ERJ-3EKF24R9V

12 2 R7, R11 RES., 15.0Ω, 1/10W, 1% 0603 PANASONIC, ERJ-3EKF15R0V

13 1 R4 RES., 5.11kΩ, 1/10W, 1% 0603 PANASONIC, ERJ-3EKF5111V

14 2 R1, R3 RES., 1.00kΩ, 1/10W, 1% 0603 PANASONIC, ERJ-3EKF1001V

15 1 R2 RES., 1.05kΩ, 1/10W, 1% 0603 PANASONIC, ERJ-3EKF1051V

16 1 U2 IC, MICROPOWER REGULATOR, SO8 LINEAR TECH., LT1763CS8#PBF

17 2 U3, U4 IC, 400MHz AMPLIFIER, MS8 LINEAR TECH., LT6200CS8#PBF

18 1 U1 IC, MICROPOWER NEG. REGULATOR, SOT-23 LINEAR TECH., LT1964ES5-SD#PBF

dc2403afa

DEMO MANUAL DC2403A

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

SCHEMATIC DIAGRAM

–2.5V

+7.5V

–2.5V

–5VIN

+10VIN

15Ω

25Ω

OUT

ADJ

GND

BYP

SHDN

LT1763

C13

0.01µF

GND

SHDN

ADJ

OUT

LT1964-SD

1.05k

5.11k

1µF

22µF

10µF

+IN

+OUT

GND

LT6200

1µF

22µF

10µF

0.1µF

C16

10µF

C14

10µF

0.1µF

1nF

+7.5V

–2.5V

R11

15Ω

25Ω

+IN

–OUT

LT6200

C22

0.1µF

C23

10µF

C21

10µF

C20

0.1µF

C11

1nF

dc2403afa

DEMO MANUAL DC2403A

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ●FAX: (408) 434-0507 ●www.linear.com

 LINEAR TECHNOLOGY CORPORATION 2015

LT 1015 REV A • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LT C ) provides the enclosed product(s) under the following AS IS conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT

OR EVALUATION PURPOSES ONLY and is not provided by LT C for commercial use. As such, the DEMO BOARD herein may not be complete

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.

If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LT C from all claims

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or

agency certified (FCC, UL, CE, etc.).

No License is granted under any patent right or other intellectual property whatsoever. LT C assumes no liability for applications assistance,

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LT C currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.

Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and

observe good laboratory practice standards. Common sense is encouraged.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LT C applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

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