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71M6543GHT 数据表(PDF) 11 Page - Maxim Integrated Products |
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71M6543GHT 数据表(HTML) 11 Page - Maxim Integrated Products |
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11 / 75 page ![]() Maxim Integrated │ 11 71M6543FT/71M6543HT/ 71M6543GT/71M6543GHT Energy Meter ICs www.maximintegrated.com Electrical Characteristics (continued) (Limits are production tested at TA = +25°C. Limits over the operating temperature range and relevant supply voltage range are guaran- teed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS ADC Recommended Input Range (All Analog Inputs, Relative to VV3P3A) -250 +250 mV Peak Recommended Input Range, IADC0-IADC1, Preamp Enabled -31.25 +31.25 mV Peak Input Impedance fIN = 65Hz 40 100 kΩ ADC Gain Error vs. Power Supply VIN = 200mV peak, 65Hz, VV3P3A = 3.0V to 3.6V -30 +70 ppm/% Input Offset Voltage Differential or single-ended modes -10 +10 mV THD 250mV peak, 65Hz, 64k points, Blackman-Harris window, FIR_LEN = 2, ADC_DIV = 1, PLL_FAST = 1, MUX_DIV = 2 -93 dB 20mV peak, 65Hz, 64k points, Blackman-Harris window, FIR_LEN = 2, ADC_DIV = 1, PLL_FAST = 1, MUX_DIV = 2 -90 LSB Size FIR_LEN = 2, ADC_DIV = 1, PLL_FAST = 1, MUX_ DIV = 2 151 nV Digital Full Scale FIR_LEN = 2, ADC_DIV = 1, PLL_FAST = 1, MUX_ DIV = 2 ±2,097,152 LSB PREAMPLIFIER Differential Gain 7.88 7.98 8.08 V/V Gain Variation vs. Temperature TA = -40°C to +85°C (Note 1) -30 -10 +15 ppm/°C Gain Variation vs. V3P3 VV3P3 = 2.97V to 3.63V (Note 1) -100 +100 ppm/% Phase Shift (Note 1) +10 +22 m° Preamp Input Current 3 6 9 µA THD, Preamp + ADC VIN = 30mV -88 dB VIN = 15mV -88 Preamp Input Offset Voltage IADC0 = IADC1 = VV3P3 + 30mV -0.63 mV IADC0 = IADC1 = VV3P3 + 15mV -0.57 IADC0 = IADC1 = VV3P3 -0.56 IADC0 = IADC1 = VV3P3 - 15mV -0.56 IADC0 = IADC1 = VV3P3 - 30mV -0.55 Phase Shift Over Temperature (Note 1) -0.03 +0.03 m°/C |
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