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ADM1041 データシート(PDF) 6 Page - Analog Devices |
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ADM1041 データシート(HTML) 6 Page - Analog Devices |
6 / 64 page ADM1041 Rev. A | Page 6 of 64 SPECIFICATIONS TA = –40 to +85°C, VDD = 5 V ± 10%, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments SUPPLIES VDD 4.5 5.0 5.5 V IDD, Current Consumption 6 10 mA Peak IDD, during EEPROM Erase Cycle1, 2 40 mA UNDERVOLTAGE LOCKOUT, VDD See Figure 9. Start-Up Threshold 4 4.3 4.5 V Stop Threshold 3.7 4 4.2 V Hysteresis 0.3 V VREF, 2.5 VREFOUT Reg 0Fh[4:2] = 111. See Table 24. Output Voltage 2.49 2.50 2.51 V IREF = 1 mA, TA = 25°C Line Regulation –5 0 +5 mV 4.5 V ≤ VDD ≤ 5.5 V Load Regulation –5 0 +5 mV 0 mA ≤ IREF ≤ 2 mA Temperature Stability2 ±100 ppm/°C IREF = 1 mA Long-Term Stability2 ±5 mV Over 1,000 hr, TJ = 125°C Current Limit 10 20 mA VREF = 2.4 V Output Resistance2 0.5 Ω Load Capacitance 1 nF Recommended for stability Ripple Due to Autozero2 ±5 mV p-p VREF refreshed at 30 kHz POWER BLOCK PROTECTION VDD Overvoltage 5.8 6.2 6.5 V VDD Overvoltage Debounce 10 20 µs Latching VREF Overvoltage 2.9 V Internal VREFOUT Undervoltage 2.1 V External Open Ground 0.1 0.2 0.35 V VGND positive with respect to VS− Debounce 100 200 µs VDDOK POWER-ON RESET DC Level 1.5 2.2 2.75 V VDD rising DIFFERENTIAL LOAD VOLTAGE SENSE INPUT, (VS−, VS+) See Figure 6. VNOM = (VS+ – VS−) VNOM is typically 2 V VS− Input Voltage 0.5 V Voltage on Pin 20 VS+ Input Voltage VDD – 2 V Voltage on Pin 21 VS− Input Resistance 35 kΩ VS+ Input Resistance 500 kΩ VNOM Adjustment Range 1.7 to 2.3 V Set Load Voltage Trim Step 0.10 to 0.14 % 1.7 V ≤ VNOM ≤ 2.3 V typ 1.74 –> 3.18 mV 8 bits, 255 steps Reg 19h[7:0]. See Table 34 Set Load Overvoltage Trim Range 105 to 120 % 1.7 V ≤ VNOM ≤ 2.3 V min Set Load Overvoltage Trim Step 0.09 % 8 bits, 255 step/s 1.6 mV Reg 08h[7:0]. See Table 17. VS+ = 2.24 V Recover from Load OV False to FG True 100 µs Reg 03h[1:0] = 00. See Table 12. 200 µs Reg 03h[1:0] = 01. See Table 12. 300 µs Reg 03h[1:0] = 10. See Table 12. 400 µs Reg 03h[1:0] = 11. See Table 12. Operate Time from Load OV to FG False 2 µs |
同様の部品番号 - ADM1041 |
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同様の説明 - ADM1041 |
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