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AFE4110 Datasheet(PDF) 9 Page - Texas Instruments |
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AFE4110 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 68 page  AFE4110 www.ti.com SLLSE48 – JANUARY 2012 A-POOL, Input Voltage Dividers over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT any Rx in dividers ±1.5% ΔRx/Rx any Rx across switches and internal supply voltage divider (by 4, by 8) ±2% on A0/A1 ; VA0/VA1 = 0.5 V; ADIV0/ADIV1 = 1 (500 mV range) 120 200 300 RIN on A2/A3 ; VA2/VA3 = 0.5 V; ADIV2/ADIV4 = 1 (1 V range) 80 133 190 k Ω on A2/A3 ; VA2/VA3 = 0.5 V; ADIV2 + ADIV3/ADIV4 + ADIV5 = 1 (2 V range) 70 114 150 ΔIVDD ADIV7 = 1 (supply voltage divider on) 2 µA A-POOL, DAC-8 over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VREFEXT VDD = 1.1 V – 1.55 V 256 mV tSETTLE On ±1 LSB steps (6τ); VDD = 1.1 V – 1.55 V; VREFEXT(typ); CVREF(min) 2 µs Between all codes >20 on AOUT (6τ); VDD = 1.1 V – 1.55 V; VREFEXT(typ); 14 µs CVREF(min) EI ±3 LSB VDD = 1.1 V – 1.55 V; VREFEXT(typ); CVREF(min); (add ±7 mV for VOUT offset (1)) ED ±1 LSB (1) This offset can be compensated using proper software. A-POOL, Comparator over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VIN VDD = 1.1 V – 1.55 V 0 275 mV Overdrive = 20 mV 0.5 tpd Overdrive = 5 mV 0.5 µs Overdrive = 1 mV 1 A-POOL, AOUT Pin over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT | ILOAD | VDD = 1.1 V – 1.55 V; CLOAD = 25 pF; VOUT >50mV 5 µA | ILOAD | VDD = 1.1 V – 1.55 V; CLOAD = 25 pF; VOUT >20mV 2 µA tSETTLE VDD = 1.1 V – 1.55 V; CLOAD = 25 pF; ±1% (6τ) (for AOUT 20-256 mV) 4 µs A-POOL, ADC-8 Counter over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fCNT VDD = 1.1 V – 1.55 V 1 MHz tCONV Full conversion (all codes) at fCNT = 1MHz 256 µs RAM over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT VOP Operating temperature 0-70 °C, fCPU = 1MHz 1.1 V VRET Operating temperature 0-70 °C (tracks BOL level) 700 mV Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s) :AFE4110 |
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