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LRIS2K 数据表(PDF) 91 Page - STMicroelectronics |
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LRIS2K 数据表(HTML) 91 Page - STMicroelectronics |
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91 / 102 page ![]() LRIS2K DC and AC parameters 91/102 Figure 60 shows an ASK modulated signal, from the VCD to the LRIS2K. The test condition for the AC/DC parameters are: ● Close coupling condition with tester antenna (1mm) ● LRIS2K performance measured at the tag antenna Figure 60. LRIS2K synchronous timing, transmit and receive Table 93. DC characteristics(1) 1. TA = –20 to 85 °C. Symbol Parameter Test conditions Min. Typ. Max. Unit VCC Regulated voltage 1.5 3.0 V VRET Retromodulated induced voltage ISO10373-7 10 mV ICC Supply current Read VCC = 3.0 V 50 µA Write VCC = 3.0 V 150 µA CTUN Internal tuning capacitor f = 13.56 MHz for W4/1 21 pF f = 13.56 MHz for W4/2 28.5 pF f = 13.56 MHz for W4/3 97 pF f = 13.56 MHz for W4/4 23.5 pF Table 94. Operating conditions Symbol Parameter Min. Max. Unit TA Ambient operating temperature –20 85 °C AI06680 AB tRFF tRFR tRFSBL tMAX tMIN CD fCC |
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