Texas Instruments TRIS TMS37122 - Product Specification Data

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Analog Front End IC TMS37122 - Reference Guide August ’01
Chapter 4: Product Specification Data
This chapter describes all of the product specifications that you need to know in order to in-
tegrate the device into your system.
Topic Page
4.1 Absolute Maximum Ratings....................................................................59
4.2 Recommended System Operating Conditions......................................60
4.2.1 Base Station - Test Station Conditions ................................................60
4.2.2 Identification Device Conditions ...........................................................60
4.2.3 Recommended Operating Conditions for IC ........................................61
4.2.3.1 Identification Device Antennas ...................................................61
4.2.3.2 Resonant Circuit Capacitor.........................................................61
4.2.3.3 Charge Capacitor........................................................................61
4.2.3.4 IC ................................................................................................62
4.2.4 IC Characteristics over Operating Free-air Temperature Range .........63
4.2.4.1 General IC Characteristics..........................................................63
4.2.4.2 Input Capacitances .....................................................................63
4.2.4.3 Modulation Capacitor..................................................................63
4.2.4.4 Trimming Capacitors and Switches ............................................64
4.2.4.5 CLKA Watchdog Circuit ..............................................................64
4.2.4.6 Clock Regenerator/ Pluck Logic .................................................65
4.2.4.7 RF Limiter ...................................................................................65
4.2.4.8 VCL Limiter .................................................................................65
4.2.4.9 Voltage Regulator .......................................................................65
4.2.4.10 Supply and Reference Currents .................................................66
4.2.4.11 Wake Detector ............................................................................66
4.2.4.12 CLKA Sensitivity .........................................................................70
4.2.4.13 EOBA Sensitivity.........................................................................70
4.2.4.14 AGC Amplifier .............................................................................70
4.2.4.16 Control Interface .........................................................................72
4.2.4.17 Clock Supervision .......................................................................72
4.2.4.18 Pulse Position Demodulator .......................................................73
4.2.4.19 Electrostatic Discharge ...............................................................73
4.2.4.20 Package......................................................................................73