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ADM1041A датащи(PDF) 7 Page - Analog Devices |
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ADM1041A датащи(HTML) 7 Page - Analog Devices |
7 / 56 page ADM1041A Rev. 0 | Page 7 of 56 Parameter Min Typ Max Unit Test Conditions/Comments LOCAL VOLTAGE SENSE, VLS, AND FALSE UV CLAMP See Figure 9. Input Voltage Range3 2.3 (VDD – 2) V Set by external resistor divider. Stage Gain 1.3 At VLS = 1.8 V False UV Clamp, VLS, Input Voltage Nominal, and Trim Range 1.3 1.85 2.1 V Clamp Trim Step 0.2 % VRANGE Clamp Trim Step 3.1 mV 8 bits, 255 steps, Reg 18h[7:0]. See Table 33. Local Overvoltage 1.9 2.4 2.85 V Nominal and Trim Range OV Trim Step 0.15 % VRANGE OV Trim Step 3.7 mV 8 bits, 255 steps Reg 0Ah[7:0]. See Table 19. Noise Filter, for OVP Function Only 5 25 μs Local Undervoltage 1.3 1.7 2.1 V Nominal and Trim Range UV Trim Step 0.18 % VRANGE UV Trim Step 3.1 mV 8 bits, 255 steps, Reg 09h[7:0]. See Table 18. Noise Filter, for UVP Function Only 300 600 μs VOLTAGE ERROR AMPLIFIER, VCMP See Figure 15. Reference Voltage VREF_SOFT_START 1.49 1.51 V TA = 25°C Temperature Stability2 ±100 μV/°C −40°C ≤ TA ≤ 85°C Long-Term Voltage Stability2 ±0.2 % Over 1,000 hr, TJ = 125°C Soft-Start Period Range 0 40 ms Ramp is 7 bit, 127 steps Set Soft-Start Period 300 μs Reg 10h[3:2] = 00. See Table 25. 10 ms Reg 10h[3:2] = 01. See Table 25. 20 ms Reg 10h[3:2] = 10. See Table 25. 40 ms Reg 10h[3:2] = 11. See Table 25. Unity Gain Bandwidth, GBW 1 MHz See Figure 11. Transconductance 1.9 2.7 3.5 mA/V At IVCMP = ±180 μA Source Current 250 μA At VVCMP > 1 V Sink Current 250 μA At VVCMP < VDD − 1 V DIFFERENTIAL CURRENT SENSE INPUT, CS−, CS+ Reg 17h[7] = 0. See Table 18. ISENSE mode. See Figure 13. Common-Mode Range 0 (VDD – 2) V Set by external divider External Divider Tolerance Trim Range (With Respect to Input) −5 mV Reg 16h[5:3] = 000. See Table 31. −10 mV Reg 16h[5:3] = 001. See Table 31. −20 mV Reg 16h[5:3] = 010. See Table 31. 5 mV Reg 16h[5:3] = 100. See Table 31. 10 mV Reg 16h[5:3] = 101. See Table 31. 20 mV Reg 16h[5:3] = 110. See Table 31. External Divider Tolerance Trim Step Size 20 μV VCM = 2.0 V (With Respect to Input) 39 μV 8 bits, 255 steps 78 μV Reg 14h[7:0]. See Table 29. |
Аналогичный номер детали - ADM1041A_15 |
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Аналогичное описание - ADM1041A_15 |
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