ATA5811/ATA5812 [Preliminary]
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
89
4689B–RKE–04/04