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AFE4110 Datasheet(PDF) 8 Page - Texas Instruments |
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AFE4110 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 68 page ![]() AFE4110 SLLSE48 – JANUARY 2012 www.ti.com Brown-Out Reset (BOR) over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VBOR(Start) 490 mV V(BOR_IT+) VDD rising; dVDD / dt < 3V/s 1095 1150 mV V(BOR_IT–) VDD falling; dVDD / dt < 3V/s 860 900 mV Vhys(BOR) 200 mV VMARGIN VMARGIN = V(BOR-IT-) – VCRIT; T = 0-70°C 40 mV tdBOR 3000(1) µs IOP VDD = 1.1 V – 1.55 V 500 nA (1) Depends on the voltage ramp in the system (actually a maximum typical value). A-POOL, External Reference Source over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VREF VDD = 1.1 V – 1.55 V for ADC / DAC operation 100 475 mV VDD = 1.1 V – 1.55 V ADC / DAC not operational 0 VDD V IREF VDD = 1.1 V – 1.55 V 3 µA CREF REFON = 0 20 50 pF A-POOL, Built-In Reference Source over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VREF VDD = 1.1 V – 1.55 V (±1.5%; overall 3%) 256 ±3% mV IREF VDD = 1.1 V – 1.55 V 10 µA CREF REFON = 1 20 50 pF TREF VDD = 1.1 V – 1.55 V ( ΔV/ΔT×VREF referenced to 25°C) ±250 ppm/ °C tsettle VDD = 1.1 V – 1.55 V; REFON = 1; CREF = CREF(max) 900 µs IOP VDD = 1.1 V – 1.55 V; REFON = 1; CREF = CREF(max) 50 µA A-POOL, Temperature Sensor over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT ISENSOR VCC = 1.1 V – 1.55 V 2 µA TCSENSOR VCC = 1.1 V – 1.55 V; 0-70°C ( ΔV/ΔT referenced to 30°C) 464 µV/°C VOFFSET25 VCC = 1.1 V – 1.55 V at TA = 30°C 179 mV tSETTLE VCC = 1.1 V – 1.55 V (before start of conversion) 15 µs VSENSOR (1) VCC = 1.1 V – 1.55 V; 0-70°C 179 mV (1) The following formula can be used to calculate the temperature sensor output voltage VSENSOR = VOFFSET25 + TCSENSOR × (TA = 30°C) 8 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s) :AFE4110 |
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