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| 型号： | MAX3535ECWI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 28-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 25 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 1422 (CN2011-ZH PDF) |
AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
EVALUATION KIT AVAILABLE
General Description
The MAX3535E/MXL1535E isolated RS-485/RS-422 full-
duplex transceivers provide 2500VRMS of galvanic isola-
tion between the RS-485/RS-422 side and the processor
or control logic side. These devices allow fast,
1000kbps communication across an isolation barrier
when the common-mode voltages (i.e., the ground
potentials) on either side of the barrier are subject to
large differences. Isolation is achieved through integrat-
ed high-voltage capacitors. The MAX3535E/MXL1535E
also feature a 420kHz transformer driver that allows
power transfer to the RS-485 side using an external
transformer.
The MAX3535E/MXL1535E include one differential driver,
one receiver, and internal circuitry to send the RS-485
signals and control signals across the isolation barrier
(including the isolation capacitors). The MAX3535E/
MXL1535E RS-485 receivers are 1/8 unit load, allowing
up to 256 devices on the same bus.
The MAX3535E/MXL1535E feature true fail-safe circuitry.
The driver outputs and the receiver inputs are protected
from ±15kV electrostatic discharge (ESD) on the inter-
face side, as specified in the Human Body Model (HBM).
The MAX3535E/MXL1535E feature driver slew-rate
select that minimizes electromagnetic interference (EMI)
and reduces reflections. The driver outputs are short-cir-
cuit and overvoltage protected. Other features are hot-
swap capability and isolation-barrier fault detection.
The MAX3535E operates with a single +3V to +5.5V
power supply. The improved secondary supply range of
the MAX3535E allows the use of step-down transformers
for +5V operation, resulting in considerable power sav-
ings. The MXL1535E operates with a single +4.5V to
+5.5V power supply. The MXL1535E is a function-/pin-
compatible improvement of the LTC1535. The
MAX3535E/MXL1535E are available over the commer-
cial 0°C to +70°C and extended -40°C to +85°C temper-
ature ranges.
Applications
Isolated RS-485 Systems
Systems with Large Common-Mode Voltages
Industrial-Control Local Area Networks
Telecommunications Systems
Features
2500VRMS RS-485 Bus Isolation Using On-Chip
High-Voltage Capacitors
1000kbps Full-Duplex RS-485/RS-422
Communication
+3V to +5.5V Power-Supply Voltage Range
(MAX3535E)
+4.5V to +5.5V Power-Supply Voltage Range
(MXL1535E)
1/8 Unit Receiver Load, Allowing 256 Devices on
Bus
±15kV ESD Protection Using HBM
Pin-Selectable Slew-Rate Limiting Controls EMI
Hot-Swap-Protected Driver-Enable Input
Undervoltage Lockout
Isolation-Barrier Fault Detection
Short-Circuit Protected
Thermal Shutdown
Open-Line and Shorted-Line Fail-Safe Receiver
Inputs
+3V to +5V, 2500VRMS Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
28
27
26
25
18
17
16
15
1
2
3
4
11
12
13
14
RO1
RE
DE
DI
B
SLO
RO2
A
VCC2
PINS 5–10 and 19–24 ARE REMOVED FROM THE PACKAGE
Y
Z
GND2
GND1
ST2
ST1
VCC1
WIDE SO
TOP VIEW
MAX3535E
MXL1535E
PART
TEMP RANGE
PIN-
PACKAGE
POWER-
SUPPLY
RANGE
(V)
MAX3535ECWI
0°C to +70°C
28 Wide SO
+3.0 to +5.5
MAX3535EEWI
-40°C to +85°C
28 Wide SO
+3.0 to +5.5
MXL1535ECWI
0°C to +70°C
28 Wide SO
+4.5 to +5.5
MXL1535EEWI
-40°C to +85°C
28 Wide SO+4.5 to +5.5
Pin Configuration
Ordering Information
19-3270; Rev 0; 4/04
Typical Application Circuit appears at end of data sheet.
MAX3535E/MXL1535E
Ordering Information
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3535ECWI+ | 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver 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 |
| MAX3535ECWI+T | 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver 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 |
| MAX3535ECWI-T | 功能描述:RS-422/RS-485 接口 IC 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 |
| MAX3535EEVKIT+ | 功能描述:RS-422/RS-485 接口 IC MAX3535E Evaluation Kit 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 |
| MAX3535EEWI | 功能描述:RS-422/RS-485 接口 IC 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 |
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