SLLS792B June   2007  – July 2021 TRS3221E

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  ESD Ratings, IEC Specifications
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Driver Section Electrical Characteristics
    8. 6.8  Driver Section Switching Characteristics
    9. 6.9  Receiver Section Electrical Characteristics
    10. 6.10 Receiver Section Switching Characteristics
    11. 6.11 Auto-Powerdown Section Electrical Characteristics
    12. 6.12 Auto-Powerdown Section Switching Characteristics
    13. 6.13 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. 8.3.4 RS232 Status
    4. 8.4 Device Functional Modes
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
    3. 9.3 Design Requirements
    4. 9.4 Detailed Design Procedure
    5. 9.5 Application Curve
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

GUID-1037C32D-7FC9-4B90-91BD-3DA11457EA2B-low.gifFigure 5-1 16-Pin SSOP (DB) or TSSOP (PW) Packages, Top View
GUID-20200910-CA0I-CQ3J-CHCF-QZFXBJ35NF5T-low.gifFigure 5-2 16-pin VQFN (RGT) Package, Top View
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NAME DB or PW

RGT
C1+ 2

16

 — Positive terminals of the voltage-doubler charge-pump capacitors
C2+ 5

2

 —
C1– 4

1

 — Negative terminals of the voltage-doubler charge-pump capacitors
C2– 6

3

 —
DIN 11

8

 I Driver input
DOUT 13

10

 O RS-232 driver output
EN 1

14

 I Low input enables receiver ROUT output. High input sets ROUT to high impedance.
FORCEOFF 16

13

 I Automatic power-down control input
FORCEON 12

9

 I Automatic power-down control input
GND 14

11

 GND Ground
INVALID 10

7

 O Invalid output pin. Output is low when all RIN inputs are unpowered.
RIN 8

5

 I RS-232 receiver input
ROUT 9

6

 O Receiver output
VCC 15

12

 — 3-V to 5.5-V supply voltage
V+ 3

15

 O 5.5-V supply generated by the charge pump
V– 7

4

 O –5.5-V supply generated by the charge pump
Thermal Pad None Thermal Pad - Exposed thermal pad. Can be connected to GND or left floating.