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ADAF1080BCPZ датащи(PDF) 8 Page - Analog Devices |
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ADAF1080BCPZ датащи(HTML) 8 Page - Analog Devices |
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8 / 36 page ![]() Data Sheet ADAF1080 SPECIFICATIONS analog.com Rev. 0 | 8 of 36 Diagnostic Coil Specifications Table 7. Diagnostic Coil Specifications Parameter Symbol Test Conditions/Comments Min Typ Max Unit DIAGNOSTIC Diagnostic Coil Resistance RDIAG 12 mΩ DIAG+ Input Voltage VDD V DIAG+ Input Current IDIAG 100 mA Magnetic Field Factor BDIAG The magnetic field experienced by the AMR sensor element per unit (IDIAG = 100 mA, 1 unit) 22.8 μT Temperature Sensor Specifications Table 8. Temperature Sensor Specifications Parameter Symbol Test Conditions/Comments Min Typ Max Unit TEMPERATURE SENSOR VTEMP Output Voltage VDD = 5 V, TA = 25°C 2.25 2.56 2.88 V VTEMP Temperature Coefficient TCVTEMP VDD = 5 V 15 mV/°C VTEMP Output Voltage Range VDD = 5 V, TA = −40°C to +125°C 1.68 4.45 V VTEMP Output Error After initial calibration at TA = 25°C TA = 25°C to 85°C ±1.25 °C TA = 25°C to 125°C ±3 °C VTEMP Output Resistance 73 Ω VTEMP Load Capacitance CVTEMP 20 pF Synchronization and Chopping Specifications Table 9. Synchronization and Chopping Specifications Parameter Symbol Test Conditions/Comments Min Typ Max Unit SYNC_EN Input Voltage High VIH 3 V Low VIL 1.6 V Input Drive Current IB 25 µA Setup Time tSETUP 60 ns SYNC Input Frequency Range fSYNC SYNC_EN = VDD for synchronization feature, fSYNC = 1/SYNC time (tSYNC) 400 1600 kHz Minimum Pulse Width High tHIGH 150 ns Low tLOW 150 ns Input Voltage High VIH 3 V Low VIL 1.6 V Input Drive Current IB 25 µA Chopping Clock Delay tCONV 50 ns Chopping Frequency fCHOP Chopping frequency of the amplifier, fCHOP = 1/chopping time (tCHOP) SYNC = GND 200 kHz 400 kHz < fSYNC < 1600 kHz, SYNC_EN = VDD fSYNC/4 kHz SYNC = VDD Chopping disabled |
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