SLLS808A JULY   2007  – November 2016 TRS202

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Electrical Characteristics: Driver
    7. 6.7  Electrical Characteristics: Receiver
    8. 6.8  Switching Characteristics: Driver
    9. 6.9  Switching Characteristics: Receiver
    10. 6.10 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power
      2. 8.3.2 RS-232 Driver
      3. 8.3.3 RS-232 Receiver
    4. 8.4 Device Functional Modes
      1. 8.4.1 VCC Powered by 5 V
      2. 8.4.2 VCC Unpowered
      3. 8.4.3 Truth Tables
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Capacitor Selection
      2. 9.1.2 Electrostatic Discharge (ESD) Protection
      3. 9.1.3 ESD Test Conditions
      4. 9.1.4 Human-Body Model (HBM)
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Capacitor Selection
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • ESD Protection for RS-232 Bus Pins:
    • ±15-kV Human-Body Model (HBM)
  • Meets or Exceeds the Requirements of
    TIA/EIA-232-F and ITU v.28 Standards
  • Operates at 5-V VCC Supply
  • Operates up to 120 kbit/s
  • External Capacitors: 4 × 0.1 µF
  • Latch-Up Performance Exceeds 100 mA
    Per JESD 78, Class II

2 Applications

  • Battery-Powered Systems
  • Notebooks
  • Set Top Boxes
  • Palmtop PCs
  • Hand-Held Equipment

3 Description

The TRS202 device consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin-to-pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 5-V supply. The device operates at data signaling rates up to
120 kbit/s and a maximum of 30-V/µs driver output slew rate.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TRS202ID SOIC (16) 9.90 mm × 3.91 mm
TRS202IPW TSSOP (16) 5.00 mm × 4.40 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Block Diagram

TRS202 max202_mini2.gif