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August ’01 Chapter 1. Product Description
1.1 General Features
• Analog Front End IC for RF Identification Systems
• Supports 120 … 140 kHz Systems
• Low Standby Current of typical 5 µA
• < 10 mV peak-to-peak sensitivity
• Interfaces to up to three antennas
• Receives and demodulates AM Data
• Threshold Detector for wake of an external microcomputer
• 16-bit Wake Pattern Detection
• Separate Threshold Detector supports indoor/ outdoor detection
• On Chip Antenna Trimming using EEPROM controlled capacitor
arrays
• On-chip digital Channel Sensitivity Adjustment
• Provides a battery-less backup mode using TIRIS compatible FSK
transmission
• Designed for Automotive Requirements
• 16-pin TSSOP Package
Figure 1: TSSOP Package (Top View)
1.2 References
[1] Digital Signature Wedge Transponder RI-TRP-B9WK Reference Manual,
11-09-21-029, July 14, 1998
[2] Transponder Signal Collision Avoidance System U.S. Patent Number 5,793,324,
August 11, 1998
[3] TSSOP Package Outline, Spec. No: PKGTS0001, JEDEC Ref: MO-153
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TMS37122
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