Datasheet Texas Instruments LMS202EIM/NOPB — 数据表

LMS202E
www.ti.com SNLS160D – DECEMBER 2002 – REVISED APRIL 2013 LMS202E 15KV ESD Rated, 5V Single Supply TIA/EIA-232 Dual Transceivers
Check for Samples: LMS202E FEATURES DESCRIPTION The LMS202E features two transmitters and two
receivers for RS-232 communication. It has a DC-toDC converter that permits the device to operate with
only a single +5V power supply. The on-chip DC-toDC converter which utilizes four external 0.1ОјF
capacitors to generate dual internal power supplies
for RS-232 compatible output levels. 1 2 ESD Protection for RS-232 I/O Pins
В±15kV-IEC1000 4-2 (EN61000-4-2) Contact
Discharge
В±8kV-IEC1000 4-2 (EN61000-4-2) Air-Gap
Discharge
В±15kV Human Body Model
Single +5V Power Supply
230 Kbps Data Rate
On-Board DC-to-DC Converter
0.1ОјF Charge Pump Capacitors
Drop-In Replacement to Maxim’s MAX202E APPLICATIONS POS Equipment (Bar code reader)
Hand-Held Equipment
General Purpose RS-232 Communication The device meet EIA/TIA-232E and CCITT V.28
specifications up to 230kbits/sec. The LMS202E is
available in a 16 pin narrow and wide SOIC package.
The transmitter outputs and receiver inputs have
В±15kV electrostatic discharge (ESD) protection. The …