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AD5412 Datasheet(PDF) 3 Page - Analog Devices |
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AD5412 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page Data Sheet AD5700/AD5700-1 Rev. A | Page 3 of 20 SPECIFICATIONS VCC = 2 V to 5.5 V, IOVCC = 1.71 V to 5.5 V, AGND = DGND, CLKOUT disabled, HART_OUT with 5 nF load, internal and external receive filter, internal reference, all specifications are from −40°C to +125°C and relate to both A and B models, unless otherwise noted. Table 2. Parameter1 Min Typ Max Unit Test Conditions/Comments POWER REQUIREMENTS2 VCC 2 5.5 V IOVCC 1.71 5.5 V VCC and IOVCC Current Consumption Demodulator 86 115 μA B model, external clock, −40°C to +85°C 179 μA B model, external clock, −40°C to +125°C 69 97 μA B model, external clock, −40°C to +85°C, external reference 157 μA B model, external clock, −40°C to +125 °C, external reference 260 μA A model, external clock, −40°C to +125°C Modulator 124 140 μA B model, external clock, −40°C to +85°C 193 μA B model, external clock, −40°C to +125°C 73 96 μA B model, external clock, −40°C to +85°C, external reference 153 μA B model, external clock, −40°C to +125°C, external reference 270 μA A model, external clock, −40°C to +125°C Crystal Oscillator3 33 60 μA External crystal, 16 pF at XTAL1 and XTAL2 44 71 μA External crystal, 36 pF at XTAL1 and XTAL2 Internal Oscillator4 218 285 μA AD5700-1 only, external crystal not required Power-Down Mode RESET = REF_EN = DGND VCC and IOVCC Current Consumption 16 35 μA Internal reference disabled, −40°C to +85°C 75 μA Internal reference disabled, −40°C to +125°C INTERNAL VOLTAGE REFERENCE Internal Reference Voltage 1.47 1.5 1.52 V REF_EN = IOVCC to enable use of internal reference Load Regulation 18 ppm/μA Tested with 50 μA load OPTIONAL EXTERNAL VOLTAGE REFERENCE External Reference Input Voltage 2.47 2.5 2.53 V REF_EN = DGND to enable use of external reference, VCC = 2.7 V minimum External Reference Input Current Demodulator 16 21 μA Current required by external reference in receive mode Modulator 28 33 μA Current required by external reference in transmit mode Internal Oscillator 5.5 7 μA Current required by external reference if using internal oscillator Power-Down 4.6 8.6 μA DIGITAL INPUTS VIH, Input High Voltage 0.7 × IOVCC V VIL, Input Low Voltage 0.3 × IOVCC V Input Current −0.1 +0.1 μA Input Capacitance5 5 pF Per pin |
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