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MAX13487EEVKIT

更新时间： 2024-11-14 07:16:11

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
8页	144K
描述
Evaluation Kit

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中文翻译

获取价格

数据手册

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MAX13487EEVKIT 数据手册

19-3204; Rev 1; 11/08

MAX13487E Evaluation Kit

vluates:7/MAX1348E

General Description

Features

The MAX13487E evaluation kit (EV kit) is a fully assem-

bled and tested PCB that contains a half-duplex RS-

485/RS-422 AutoDirection-controlled transceiver with

ESD protection. The EV kit circuit features a differential

driver and receiver. The circuit’s receiver is a 1/4-unit

load for the RS-485 bus and can communicate up to

500kbps. The MAX13487E AutoDirection and reduced-

driver slew-rate features are demonstrated on the EV kit

circuit. The EV kit can also be used to evaluate the

MAX13488E IC, which can communicate up to 16Mbps.

o Demonstrates MAX13487E AutoDirection Feature

o Designed for 2500V_RMSIsolation

o 1/4 RS-485 Unit Loading

o 500kbps Half-Duplex RS-485/RS-422

Communication

o +5V DC Input Range

o Isolated +5V Output

o Center-Tapped Full-Wave Rectifier Output

o 420kHz Switching Frequency

Power for the transceiver circuit is provided by a MAX256

H-bridge DC/DC converter, which powers the isolated

section of the MAX13487E RS-485/RS-422 circuit. Input-

ripple current and radiated noise are minimized by using

an H-bridge design. The isolated H-bridge DC-DC con-

verter operates at 420kHz. Input power to the EV kit

circuit can be supplied by a +5V DC source.

o Output Current Limit and Thermal Shutdown

o Low-Cost Integrated-FET H-Bridge Design

o Also Evaluates MAX13488E (After IC

Replacement)

The DC-DC converter circuit uses a surface-mount

transformer to provide galvanic isolation and a full-wave

rectifier, and provides a regulated +5V to the

MAX13487E. A MAX1659 linear low dropout (LDO) reg-

ulator provides the regulated output and up to 300mA

of current. The output current limit and thermal shut-

down provide for a robust isolated RS-485/RS-422

transceiver circuit and power supply. The transceiver

and power circuits and PCB are designed for

o Fully Assembled and Tested

Ordering Information

PART

TYPE

MAX13487EEVKIT#

#Denotes RoHS compliant.

EV Kit

2500V

isolation.

RMS

Component List

DESIGNATION QTY

DESCRIPTION

DESIGNATION QTY

DESCRIPTION

10µF 10ꢀ, 10V X7R ceramic

capacitor (1206)

Murata GRM31CR71A106K

JU1, JU3, JU4,

2-pin headers

3-pin header

JU5, JU6

JU2

0.47µF 10ꢀ, 16V X7R ceramic

capacitor (0805)

Murata GRM219R71C474K

39.2kΩ 1ꢀ resistor (0603)

100kΩ 5ꢀ resistors (0603)

270Ω 5ꢀ resistors (0805)

220Ω 5ꢀ resistors (0805)

120Ω 5ꢀ resistor (0805)

R2, R9

R4, R5

R6, R8

0.1µF 10ꢀ, 16V X7R ceramic

capacitors (0603)

Murata GRM188R71C104K

C3, C5, C6, C7

500µH, 1.5W, 3:8-turn, 400kHz

transformer (6-pin Gull Wing)

HALO Electronics TGM-380NARL

1µF 10ꢀ, 16V X7R ceramic

capacitor (0805)

Murata GRM21BR71C105K

D1, D2

Half-duplex, high-speed transceiver

(8 SO)

Maxim MAX13487EESA+

30V, 1A Schottky diodes (SOD123)

Diodes Inc. B130LAW

15V, 350mW 5ꢀ zener diode

(SOT-23)

Central Semiconductor CMPZ5245B+

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

中文翻译

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与MAX13487EEVKIT相关器件

型号	品牌	获取价格	描述	数据表
MAX13488E	MAXIM	获取价格	Half-Duplex RS-485-/RS-422-Compatible Transceiver with AutoDirection Control
MAX13488E	ADI	获取价格	半双工RS-485/RS-422收发器，带有自动选向控制
MAX13488EESA	MAXIM	获取价格	Half-Duplex RS-485-/RS-422-Compatible Transceiver with AutoDirection Control
MAX13488EESA+	MAXIM	获取价格	Half-Duplex RS-485-/RS-422-Compatible Transceiver with AutoDirection Control
MAX1348BETX	MAXIM	获取价格	12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX1348BETX+T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, TQFN-36
MAX1348BETX-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, TQFN-36
MAX134C/D	MAXIM	获取价格	3 Digit DMM Circuit
MAX134CMH	MAXIM	获取价格	Analog-to-Digital Converter， 3-3/4-Digit
MAX134CMH+	MAXIM	获取价格	A/D Converter, 1 Func, Bipolar, PQFP44

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