SN75LP1185 - 低功耗多路 RS-232 驱动器和接收器

SN75LP1185是TI德州仪器公司的一款无产品，SN75LP1185是低功耗多路 RS-232 驱动器和接收器，本站介绍了SN75LP1185的封装应用图解、特点和优点、功能等，并给出了与SN75LP1185相关的TI元器件型号供参考。

SN75LP1185 - 低功耗多路 RS-232 驱动器和接收器 - 无 - RS-232收发器 - 德州仪器

产品描述

The SN75LP1185 is a low-power bipolar device containing three drivers and five receivers, with 15 kV of ESD protection on the bus pins with respect to each other. Bus pins are defined as those pins that tie directly to the serial-port connector, including GND. The pinout matches the flow-through design of the industry-standard SN75185 and SN75C185. The flow-through pinout of the SN75LP1185 allows easy interconnection of the UART and serial-port connector of the IBM PC/AT and compatibles. The SN75LP1185 provides a rugged, low-cost solution for this function with the combination of the bipolar processing and 15 kV of ESD protection.

The SN75LP1185 has internal slew-rate control to provide a maximum rate of change in the output signal of 30 V/us. The driver output swing is nominally clamped at ±6 V to enable the higher data rates associated with this device and to reduce EMI emissions. Even though the driver outputs are clamped, they can handle voltages up to ±15 V without damage. All the logic inputs can accept 3.3-V or 5-V input signals.

The SN75LP1185 complies with the requirements of TIA/EIA-232-F and ITU V.28. These standards are for data interchange between a host computer and peripheral at signaling rates up to 20 kbit/s. The switching speeds of the SN75LP1185 support rates up to 256 kbit/s.

The SN75LP1185 is characterized for operation from 0°C to 70°C.

产品特性

Single-Chip TIA/EIA-232-F Interface for IBMTM PC/ATTM Serial Port
Designed to Transmit and Receive 4-us Pulses (Equivalent to 256 kbit/s)
Less Than 21-mW Power Consumption
Wide Supply-Voltage Range...4.75 V to 15V
Driver Output Slew Rates Are Internally Controlled to 30 V/us Max
Receiver Input Hysteresis...1000 mV Typical
TIA/EIA-232-F Bus-Pin ESD Protection Exceeds:
- 15-kV, Human-Body Model
Three Drivers and Five Receivers Meet or Exceed the Requirements of TIA/EIA-232-F and ITU V.28
Complements the SN75LP196
Designed to Replace the Industry-Standard SN75185 and SN75C185 With the Same Flow-Through Pinout
Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Dual-In-Line (N) Packages

IBM and PC/AT are trademarks of International Business Machines Corporation.

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