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ST7540 数据表(PDF) 8 Page - STMicroelectronics |
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ST7540 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 44 page ![]() Electrical data ST7540 8/44 3.3 Recommended operating conditions Table 4. Recommended operating conditions Symbol Parameter Test Condition Value Unit VCC Max allowed slope during Power-up 100 V/ms I(VCC) Powered analog supply Current with digital supply provided externally Maximum total current 650 mArms VCC - VDD Maximum voltage Difference between VCC and VDD during power-up sequence VDD < 4.75V with 5V Digital supply provided externally 1.2 V VPA_OUT Output voltage swing for PA_OUT pin VCC-4.5 VPP I(PA_OUT) Maximum output transmitting current in programmable current limiting Rcl = 1.4kΩ; RLOAD =1Ω (as in Figure 17) 500 mArms |
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