MAX3488E：3.3V供电、±15kV ESD保护、12Mbps、限摆率、真RS-485/RS-422收发器

Devices in the MAX3483E family (MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E) are ±15kV ESD-protected, +3.3V, low-power transceivers for RS-485 and RS-422 communications. Each device contains one driver and one receiver. The MAX3483E and MAX3488E feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps. The partially slew-rate-limited MAX3486E transmits up to 2.5Mbps. The MAX3485E, MAX3490E, and MAX3491E transmit at up to 12Mbps. All devices feature enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if both inputs are open circuit. The MAX3488E, MAX3490E, and MAX3491E feature full-duplex communication, while the MAX3483E, MAX3485E, and MAX3486E are designed for half-duplex communication.

关键特性

ESD Protection for RS-485 I/O Pins
- ±15kV-Human Body Model
- ±8kV-IEC 1000-4-2, Contact Discharge
- ±15kV-IEC 1000-4-2, Air-Gap Discharge
Operate from a Single +3.3V Supply-No Charge Pump Required
Interoperable with +5V Logic
Guaranteed 12Mbps Data Rate (MAX3485E/MAX3490E/MAX3491E)
Slew-Rate Limited for Errorless Data Transmission (MAX3483E/MAX3488E)
2nA Low-Current Shutdown Mode (MAX3483E/MAX3485E/MAX3486E/MAX3491E)
-7V to +12V Common-Mode Input Voltage Range
Full-Duplex and Half-Duplex Versions Available
Industry-Standard 75176 Pinout (MAX3483E/MAX3485E/MAX3486E)
Current-Limiting and Thermal Shutdown for Driver Overload Protection

MAX3483E、MAX3485E、MAX3486E、MAX3488E、MAX3490E、MAX3491E：引脚配置和典型工作电路

应用

工业控制局域网
集成服务数字网络
分组交换技术
电信
用于EMI敏感应用的收发器

数据手册DataSheet

语言	下载文件	备注
英文	MAX3483E-MAX3491E.pdf	Rev 0; 04/1999

关键参数

Part Number	Tx/Rx	Duplex	V_SUPPLY (V)	I_CC (mA)	Data Rate (kbps)	ESD Protect. (±kV)	Tx EN	Rx EN	I_CC (Shutdn.) (µA)	Rx/Tx on Bus	Rx Failsafe w/ Inputs	Slew Rate Limiting	Oper. Temp. (°C)	Package/Pins	Budgetary Price
Part Number	Tx/Rx	Duplex	V_SUPPLY (V)	typ	min	ESD Protect. (±kV)	Tx EN	Rx EN	typ	Rx/Tx on Bus	Rx Failsafe w/ Inputs	Slew Rate Limiting	Oper. Temp. (°C)	Package/Pins	See Notes
MAX3483E	1Tx + 1Rx	Half	3.3	1	250	15	Yes	Yes	0.002	32	Open	No	-40 to +85 0 to +70	PDIP(N)/8 SOIC(N)/8	$2.25 @1k
MAX3485E		Half			12000		Yes	Yes	0.002					PDIP(N)/8 SOIC(N)/8
MAX3486E		Half			2500		Yes	Yes	0.002					PDIP(N)/8 SOIC(N)/8
MAX3488E		Full			250		No	No	-					PDIP(N)/8 SOIC(N)/8
MAX3490E		Full			12000		No	No	-					PDIP(N)/8 SOIC(N)/8
MAX3491E		Full			12000		Yes	Yes	0.002					PDIP(N)/14 SOIC(N)/14

质量和环境数据

MAX3488E.pdf

订购型号

型号	状况	推荐替代产品	封装	温度	RoHS/无铅
MAX3488ECPA	停止供货	MAX3488ECPA+	PDIP(N),；8引脚；81.9mm²	0°C至+70°C	RoHS/无铅：否
MAX3488ECPA+	生产中		PDIP(N),；8引脚；81.9mm²	0°C至+70°C	RoHS/无铅：无铅
MAX3488ECSA	停止供货	MAX3488ECSA+	SOIC(N),；8引脚；30.9mm²	0°C至+70°C	RoHS/无铅：否
MAX3488ECSA+	生产中		SOIC(N),；8引脚；30.9mm²	0°C至+70°C	RoHS/无铅：无铅
MAX3488ECSA+T	生产中		SOIC(N),；8引脚；30.9mm²	0°C至+70°C	RoHS/无铅：无铅
MAX3488ECSA-T	停止供货	MAX3488ECSA+T	N.SO；8引脚	0°C至+70°C	参考数据资料
MAX3488EEPA	停止供货	MAX3488EEPA+	PDIP(N),；8引脚；81.9mm²	-40°C至+85°C	RoHS/无铅：否
MAX3488EEPA+	生产中		PDIP(N),；8引脚；81.9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX3488EESA	停止供货	MAX3488EESA+	SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：否
MAX3488EESA+	生产中		SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：无铅
型号	状况	推荐替代产品	封装：类型引脚占位面积封装图编码/变更 *	温度	RoHS/无铅？
MAX3488EESA+T	生产中		SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：无铅
MAX3488EESA-T	停止供货	MAX3488EESA+	SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：否
MAX3488EESA/GG8	生产中		SOIC(N),；8引脚；30.9mm²	-40°C至+85°C	RoHS/无铅：否

MAX3483E-MAX3491E.pdf MAX3491E

MAX3488E.pdf MAX3488E

MAX3483E-MAX3491E.pdf MAX3491E