SLLS408H January   2000  – October 2016 MAX3222

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: Device
    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 RS232 Driver
      3. 8.3.3 RS232 Receiver
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  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

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

DB, DW, or PW Package
20-Pin SOIC, SSOP, TSSOP
Top View
MAX3222 po_slls408.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
C1+ 2 — Charge pump capacitor pin
C1- 4 — Charge pump capacitor pin
C2+ 5 — Charge pump capacitor pin
C2- 6 — Charge pump capacitor pin
DIN1 13 I Driver logic input
DIN2 12 I Driver logic input
DOUT1 17 O RS-232 driver output
DOUT2 8 O RS-232 driver output
EN 1 I Receiver enable, active low
GND 18 — Ground
NC 11,14 — No internal connection
PWRDOWN 20 I Driver disable, active low
RIN1 16 I RS-232 receiver input
RIN2 9 I RS-232 receiver input
ROUT1 15 O Receiver logic output
ROUT2 10 O Receiver logic output
VCC 19 — Power Supply
V+ 3 — Charge pump capacitor pin
V- 7 — Charge pump capacitor pin