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参数资料
| 型号： | MAX3491EPD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 10MBPS 14DIP |
| 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 ~ 3.6 V |
| 安装类型： | 通孔 |
| 封装/外壳： | 14-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 14-PDIP |
| 包装： | 管件 |
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.
_______________General Description
The MAX3483, MAX3485, MAX3486, MAX3488,
MAX3490, and MAX3491 are 3.3V, low-power trans-
ceivers for RS-485 and RS-422 communication. Each
part contains one driver and one receiver. The
MAX3483 and MAX3488 feature slew-rate-limited dri-
vers that minimize EMI and reduce reflections caused
by improperly terminated cables, allowing error-free
data transmission at data rates up to 250kbps. The par-
tially slew-rate-limited MAX3486 transmits up to
2.5Mbps. The MAX3485, MAX3490, and MAX3491
transmit at up to 10Mbps.
Drivers are short-circuit current limited and are protect-
ed 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 MAX3488, MAX3490, and MAX3491 feature full-
duplex communication, while the MAX3483, MAX3485,
and MAX3486 are designed for half-duplex communi-
cation.
________________________Applications
Low-Power RS-485/RS-422 Transceivers
Telecommunications
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
____________________________Features
o
Operate from a Single 3.3V Supply—
No Charge Pump!
o
Interoperable with +5V Logic
o
8ns Max Skew (MAX3485/MAX3490/MAX3491)
o
Slew-Rate Limited for Errorless Data Transmission
(MAX3483/MAX3488)
o
2nA Low-Current Shutdown Mode
(MAX3483/MAX3485/MAX3486/MAX3491)
o
-7V to +12V Common-Mode Input Voltage Range
o
Allows up to 32 Transceivers on the Bus
o
Full-Duplex and Half-Duplex Versions Available
o
Industry Standard 75176 Pinout
(MAX3483/MAX3485/MAX3486)
o
Current-Limiting and Thermal Shutdown for
Driver Overload Protection
______________Ordering Information
Ordering Information continued at end of data sheet.
* Contact factory for for dice specifications.
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
19-0333; Rev 0; 12/94
PART
MAX3483CPA
MAX3483CSA
MAX3483C/D
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
Dice*
PART
NUMBER
GUARANTEED
DATA RATE
(Mbps)
SUPPLY
VOLTAGE
(V)
HALF/FULL
DUPLEX
SLEW-RATE
LIMITED
DRIVER/
RECEIVER
ENABLE
SHUTDOWN
CURRENT
(nA)
PIN
COUNT
MAX3483
0.25
Half
Yes
2
8
MAX3485
10
Half
No
Yes
2
8
MAX3486
2.5
Half
Yes
2
8
MAX3488
0.25
Full
Yes
No
—
8
MAX3490
10
Full
No
—
8
MAX3491
10
3.0 to 3.6
Full
No
Yes
2
14
______________________________________________________________Selection Table
MAX3483EPA
MAX3483ESA
-40°C to +85°C
8 Plastic DIP
8 SO
MAX3485CPA
MAX3485CSA
MAX3485C/D
0°C to +70°C
8 Plastic DIP
8 SO
Dice*
MAX3485EPA
MAX3485ESA
-40°C to +85°C
8 Plastic DIP
8 SO
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3491EPD+ | 功能描述:RS-422/RS-485 接口 IC 3.3V 10Mbps 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 |
| MAX3491ESD | 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 |
| MAX3491ESD/GG8 | 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 |
| MAX3491ESD+ | 功能描述:RS-422/RS-485 接口 IC 3.3V 10Mbps 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 |
| MAX3491ESD+ | 制造商:Maxim Integrated Products 功能描述:TRANSCEIVER RS-485/RS-422 3.3V 制造商:Maxim Integrated Products 功能描述:TRANSCEIVER, RS-485/RS-422, 3.3V |
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