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参数资料
| 型号： | MAX13487EEVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX13487E |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 接口，数字线缆驱动器 |
| 已用 IC / 零件： | MAX13487E |
| 已供物品： | 板 |
19-3204; Rev 1; 11/08
MAX13487E Evaluation Kit
General Description
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.
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.
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
Features
o Demonstrates MAX13487E AutoDirection Feature
o Designed for 2500V RMS Isolation
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
o Output Current Limit and Thermal Shutdown
o Low-Cost Integrated-FET H-Bridge Design
o Also Evaluates MAX13488E (After IC
Replacement)
o Fully Assembled and Tested
Ordering Information
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
PART
MAX13487EEVKIT#
#Denotes RoHS compliant.
TYPE
EV Kit
2500V RMS isolation.
Component List
DESIGNATION
C1
C2
C3, C5, C6, C7
QTY
1
1
4
DESCRIPTION
10μF ±10%, 10V X7R ceramic
capacitor (1206)
Murata GRM31CR71A106K
0.47μF ±10%, 16V X7R ceramic
capacitor (0805)
Murata GRM219R71C474K
0.1μF ±10%, 16V X7R ceramic
capacitors (0603)
Murata GRM188R71C104K
DESIGNATION
JU1, JU3, JU4,
JU5, JU6
JU2
R1
R2, R9
R4, R5
R6, R8
R7
QTY
5
1
1
2
2
2
1
DESCRIPTION
2-pin headers
3-pin header
39.2k Ω ±1% resistor (0603)
100k Ω ±5% resistors (0603)
270 Ω ±5% resistors (0805)
220 Ω ±5% resistors (0805)
120 Ω ±5% resistor (0805)
1μF ±10%, 16V X7R ceramic
500μH, 1.5W, 3:8-turn, 400kHz
C4
1
capacitor (0805)
T1
1
transformer (6-pin Gull Wing)
Murata GRM21BR71C105K
HALO Electronics TGM-380NARL
D1, D2
2
30V, 1A Schottky diodes (SOD123)
Diodes Inc. B130LAW
U1
1
Half-duplex, high-speed transceiver
(8 SO)
Maxim MAX13487EESA+
15V, 350mW ±5% zener diode
D3
1
(SOT-23)
Central Semiconductor CMPZ5245B+
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13487EEVKIT# | 功能描述:界面开发工具 MAX13487E Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX13488EESA+ | 功能描述:RS-422/RS-485 接口 IC Half-Dplx RS-485/422 5V 16Msps LD/Rc RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX13488EESA+T | 功能描述:RS-422/RS-485 接口 IC Half-Dplx RS-485/422 5V 16Msps LD/Rc RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX1348BETX | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1348BETX+ | 功能描述:ADC / DAC多通道 12-Bit 4Ch 300ksps 5.25 Precision ADC RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
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