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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS2792 датащи(PDF) 3 Page - Maxim Integrated Products |
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DS2792 датащи(HTML) 3 Page - Maxim Integrated Products |
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3 / 40 page  DS2792 Programmable Fuel Gauge with UART Interface 3 of 40 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VIN1 Input Range (VIN1–VSS) VFS1 (Notes 1, 7) 0 4.99 V VIN1 LSb VLSB1 4.88 mV VIN2 Input Range (VIN2–VIN1) VFS2 (Notes 1, 7) 0 4.99 V VIN2 LSb VLSB2 4.88 mV VIN1, VIN2 Gain Error VGERR -1 +1 % VIN1, VIN2 Offset VOERR -1 +1 LSb Vx Input Range (Vx–VSS) VFSX (Note 1) 0 VB V Vx LSb VLSBX VB/1024 — Vx Error VERRX -1 +1 % Full Scale VIN1, VIN2, Vx Input Resistance RIN 15 M Current Measurement Sample Frequency fSAMPLE (Note 8) 1456 Hz Analog System Clock Frequency fOSCA 69.9 kHz VDD > 2.7V, TA = +25 oC -0.7 +0.7 VDD > 2.7V, 0 oC T A +50 oC -2 +2 Analog System Clock Error fERR:OSCA -5 +5 % OSCA active 1 CPU System Clock Startup Time tSU:OSCI From SLEEP, OSCA inactive 700 PS OSCA inactive 1000 kHz CPU System Clock Frequency fOSCI OSCA active 14 x fOSCA kHz OSCA inactive -20 +20 CPU System Clock Error fERR:OSCI OSCA active fERR:OSCA % Suspend Period Error tERR:SUS -30 +30 % Filter Resistors IS1 to SNS1, IS2 to SNS2 RKS 7 10 13 k Input Logic High: RXD VIH:RXD (Note 1) 1.5 V Input Logic Low: RXD VIL:RXD (Note 1) 0.6 V Input Logic High: P0.0–P0.5 VIH:P0 (Note 1) 0.7 x VB V Input Logic Low: P0.0–P0.5 VIL:P0 (Note 1) 0.3 x VB V Output Logic Low: TXD, P0.X VOL IOL = 4mA (Note 1) 0.4 V P0.0–P0.3 Weak Pullup Current IPU:P0 VPIN = VIH, VDD > 2.7V Bits PPU:0,1,2,3 set 0.15 22.0 PA Output Logic High: P0.4–P0.5 VOH IPIN = 1mA Bits PPU:4,5 set VB - 0.4 V RXD, TXD Pulldown Current IPD:UART VPIN = VIL, Bits PPU:6,7 clear 0.3 1.2 3 PA RXD, TXD Pullup Current VPU:UART VPIN = VIL, Bits PPU:6,7 set 0.3 1.2 3 PA RXD, TXD Capacitance CUART 50 pF RXD Pulse Rejection tSP:UART Rising and falling edges (Note 9) 50 ns P0.0–P0.5 Pulse Rejection tSP:P0 Rising and falling edges 10 ns EEPROM RELIABILITY SPECIFICATION (VDD = 2.5V to 10V, TA = -20°C to +70°C, unless otherwise noted. Typical values are at TA = +25°C, VDD = 5.0V.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS EEPROM Copy Time tEEC 10 15 ms EEPROM Copy Endurance NEEC TA = +50°C 50,000 Cycles |
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