Rainbow Electronics ATA5812 - Manual (Page 89)

89
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Table of Contents Features ................................................................................................. 1
Applications .......................................................................................... 1
Benefits .................................................................................................. 1
General Description .............................................................................. 2
Pin Description ..................................................................................... 3
Application Circuits .............................................................................. 6
Typical Key Fob or Sensor Application with 1 Battery .......................................... 6
Typical Car or Sensor Base-station Application ................................................... 7
Typical Key Fob Application, 2 Batteries .............................................................. 8
RF Transceiver ..................................................................................................... 9
XTO .................................................................................................................... 22
Power Supply ......................................................................................................26
Microcontroller Interface ..................................................................................... 32
Digital Control Logic ............................................................................................ 32
Transceiver Configuration ................................................................................... 45
Operation Modes ................................................................................................ 48
Absolute Maximum Ratings ............................................................... 62
Thermal Resistance ............................................................................ 62
Electrical Characteristics: General ................................................... 63
Electrical Characteristic: 1-Battery Application .............................. 75
Electrical Characteristics: 2-Battery Application ............................ 78
Electrical Characteristics: Car Application ...................................... 80
Digital Timing Characteristics ........................................................... 82
Digital Port Characteristics ................................................................ 86
Ordering Information .......................................................................... 88
Package Information ......................................................................... 88