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ADM12914-2ARQZ bảng dữ liệu(PDF) 3 Page - Analog Devices |
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ADM12914-2ARQZ bảng dữ liệu(HTML) 3 Page - Analog Devices |
3 / 16 page ADM12914 Rev. 0 | Page 3 of 16 SPECIFICATIONS TA = −40°C to +125°C. Typical values at TA = 25°C, unless otherwise noted. VCC = 3.3 V, VLx = 0.45 V, VHx = 0.55 V, LATCH = VCC, SEL = VCC, DIS = open, unless otherwise noted. Table 1. Parameter Symbol Min Typ Max Unit Test Conditions/Comments SHUNT REGULATOR VCC Shunt Regulator Voltage VSHUNT 6.3 6.6 6.8 V ICC = 5 mA VCC Shunt Regulator Load Regulation ΔVSHUNT 150 mV ICC = 2 mA to 10 mA SUPPLY Supply Voltage1 VCC 2.3 VSHUNT V Minimum VCC Output Valid VCCR(MIN) 0.9 V DIS = 0 V Supply Undervoltage Lockout VCC(UVLO) 1.94 2 2.06 V DIS = 0 V, VCC rising Supply Undervoltage Lockout Hysteresis ΔVCC(HYST) 15 25 35 mV DIS = 0 V Supply Current ICC 62 100 μA VCC = 2.3 V to 6.0 V REFERENCE OUTPUT Reference Output Voltage VREF 0.994 1 1.008 V IVREF = ±1 mA UNDERVOLTAGE/OVERVOLTAGE CHARACTERISTICS Undervoltage/Overvoltage Threshold VUOT 496 500 504 mV VCC = 2.3 V to 6.0 V Undervoltage/Overvoltage Threshold to Output Delay tUOD 100 200 350 μs VHx = VUOT − 5 mV or VLx = VUOT + 5 mV VHx, VLx Input Current IVHL ±10 nA UV/OV Timeout Period tUOTO 7.5 8.5 10.5 ms CTIMER = 1 nF OV LATCH CLEAR INPUT OV Latch Clear Threshold Input High VLATCH(IH) 1.2 V OV Latch Clear Threshold Input Low VLATCH(IL) 0.8 V LATCH Input Current ILATCH 50 nA VLATCH > 0.5 V DISABLE INPUT DIS Input High VDIS(IH) 1.2 V DIS Input Low VDIS(IL) 0.8 V DIS Input Current IDIS 1.25 2 2.75 μA VDIS > 0.5 V TIMER CHARACTERISTICS TIMER Pull-Up Current ITIMER(UP) −1.7 −2.1 −2.5 μA VTIMER = 0 V TIMER Pull-Down Current ITIMER(DOWN) 1.7 2.1 2.5 μA VTIMER = 1.6 V TIMER Disable Voltage VTIMER(DIS) −180 −270 mV Referenced to VCC OUTPUT VOLTAGE Output Voltage High UV/OV VOH 1 V VCC = 2.3 V; IUV/OV = −1 μA Output Voltage Low UV/OV VOL 0.1 0.3 V VCC = 2.3 V; IUV/OV = 2.5 mA 0.01 0.15 V VCC = 0.9 V; IUV = 100 μA THREE-STATE INPUT SEL Low Level Input Voltage VIL 0.4 V High Level Input Voltage VIH 1.4 V Pin Voltage when Left in High-Z State VZ 0.8 0.9 1.0 V ISEL = ±10 μA SEL High, Low Input Current ISEL ±25 μA Maximum SEL Input Current ISEL(MAX) ±30 μA SEL tied to VCC or GND 1 The maximum voltage on the VCC pin is limited by the input current. The VCC pin has an internal 6.5 V shunt regulator and, therefore, a low impedance supply exceeding 6 V may exceed the maximum allowable input current. When operating from a higher supply than 6 V, always use a dropping resistor. |
Số phần tương tự - ADM12914-2ARQZ |
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Mô tả tương tự - ADM12914-2ARQZ |
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