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LTM4686 Datasheet(PDF) 8 Page - Analog Devices |
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LTM4686 Datasheet(HTML) 8 Page - Analog Devices |
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8 / 130 page  LTM4682 8 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel (Note 4). TA = 25°C, VIN = 12V, RUNn = 3.3V, RUNP = 12V, FREQUENCY_SWITCH = 575kHz and VOUTn commanded to 0.75V unless otherwise noted. Configured with factory-default EEPROM settings and per Test Circuit 1, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Current Readback N Resolution (Note 10) 10 Bits VIINSTP LSB Step Size Full-Scale Range = 16mV LSB Step Size Full-Scale Range = 32mV LSB Step Size Full-Scale Range = 64mV Gain = 8, 0V ≤ |VIIN+ – VIIN–| ≤ 5mV Gain = 4, 0V ≤ |VIIN+ – VIIN–| ≤ 20mV Gain = 2, 0V ≤ |VIIN+ – VIIN–| ≤ 50mV 15.26 30.52 61 µV µV µV IIN_TUE Total Unadjusted Error Gain = 8, 2.5mV ≤ |VIIN+ – VIIN–| (Note 7) Gain = 4, 4mV ≤ |VIIN+ – VIIN–| (Note 7) Gain = 2, 6mV ≤ |VIIN+ – VIIN–| (Note 7) 2 1.3 1.2 % % % VOS Zero-Code Offset Voltage (Note 14) ±50 µV tCONVERT Update Rate (Notes 9,15), See MFR_ADC_CONTROL Section for Faster Update Rates 90 ms Supply Current Readback (Note 15) N Resolution (Note 10) 10 Bits VICHIPSTP LSB Step Size Full-Scale Range = 256mV Onboard 1Ω Resistor 244 µV ICHIP_RB ICHIP Readback SVIN_nn Current 50 mA tCONVERT Update Rate (Notes 9,14), See MFR_ADC_CONTROL Section for Faster Update Rates 90 ms Temperature Readback (T0, T1) TRES-RB Temperature Readback Resolution Channel n, and Controller (Note 14) 0.25 °C T0_TUE External Temperature Total Unadjusted Readback Error Supporting Only ∆VBE Sensing 2.5 °C T1_TUE Internal TSNS TUE VRUNn = 0.0, fSYNC = 0kHz (Note 7) ±1 °C tCONVERT Update Rate (Note 9) MFR_ADC_CONTROL = 0x04, 0x0c, or 0x08 (Notes 9, 14) 90 8 ms ms INTVCC_nn Regulator/VBIAS VINTVCC_nn Internal VCC Voltage No Load 6V ≤ SVIN_nn ≤ 16V l 5.25 5.5 5.75 V VLDO_INT INTVCC Load Regulation ICC = 0mA to 20mA, 6V ≤ SVIN_nn ≤ 16V 0.5 ±2 % VIN_VBIAS Input Range for VIN_VBIAS 4.5 16 V RUNP VBIAS Enable RUNP Rising 0.8 0.85 V VBIAS 5.5V Internal Regulator 7V ≤ VIN_VBIAS ≤ 16V, VSVIN_nn > 7V 5.25 5.5 5.75 V SVIN_THR VSVIN_nn Threshold to Enable VBIAS Switchover SVIN_nn Rising 7 7.5 V SVIN_THF VSVIN_nn Threshold to Disable VBIAS Switchover SVIN_nn Falling 6.5 V VDD33_nn Regulator VVDD33nn Internal VDD33 Voltage VINTVCC_nn > 4.5V 3.2 3.3 3.4 V ILIM VDD33 Current Limit VDD33_nn = GND, VIN_nn = INTVCC_nn = 4.5V 100 mA VVDD33_OV VDD33 Overvoltage Threshold (Note 14) 3.5 V VVDD33_UV VDD33 Undervoltage Threshold (Note 14) 3.1 V |
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