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ADS8699IPWR 数据表(PDF) 6 Page - Texas Instruments |
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ADS8699IPWR 数据表(HTML) 6 Page - Texas Instruments |
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6 / 74 page  6.5 Electrical Characteristics all minimum and maximum specifications are at TA = –40°C to +125°C; typical specifications are at TA = 25°C; AVDD = 5 V, DVDD = 3.3 V, VREF = 4.096 V (internal), and maximum throughput (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUTS VIN Full-scale input span(1) (AIN_P to AIN_GND) Input range = ±3 × VREF –12.288 12.288 V Input range = ±2.5 × VREF –10.24 10.24 Input range = ±1.5 × VREF –6.144 6.144 Input range = ±1.25 × VREF –5.12 5.12 Input range = ±0.625 × VREF –2.56 2.56 Input range = 3 × VREF 0 12.288 Input range = 2.5 × VREF 0 10.24 Input range = 1.5 × VREF 0 6.144 Input range = 1.25 × VREF 0 5.12 AIN_P Operating input range Input range = ±3 × VREF –12.288 12.288 V Input range = ±2.5 × VREF –10.24 10.24 Input range = ±1.5 × VREF –6.144 6.144 Input range = ±1.25 × VREF –5.12 5.12 Input range = ±0.625 × VREF –2.56 2.56 Input range = 3 × VREF 0 12.288 Input range = 2.5 × VREF 0 10.24 Input range = 1.5 × VREF 0 6.144 Input range = 1.25 × VREF 0 5.12 AIN_GND Operating input range All input ranges –0.1 0 0.1 V RIN Input impedance At TA = 25°C Input range = ±3 × VREF 1.02 1.2 1.38 MΩ Input range = ±1.5 × VREF 1.02 1.2 1.38 Input range = 3 × VREF 1.02 1.2 1.38 Input range = 1.5 × VREF 1.02 1.2 1.38 Input range = ±2.5 × VREF 0.85 1 1.15 Input range = ±1.25 × VREF 0.85 1 1.15 Input range = ±0.625 × VREF 0.85 1 1.15 Input range = 2.5 × VREF 0.85 1 1.15 Input range = 1.25 × VREF 0.85 1 1.15 Input impedance drift 7 25 ppm/°C IIN Input current With voltage at the AIN_P pin = VIN Input range = ±3 × VREF (VIN – 2.5) / RIN µA Input range = ±2.5 × VREF (VIN – 2.2) / RIN Input range = ±1.5 × VREF (VIN – 2.0) / RIN Input range = ±1.25 × VREF (VIN – 2.0) / RIN Input range = ±0.625 × VREF (VIN – 1.6) / RIN Input range = 3 × VREF (VIN – 2.6) / RIN Input range = 2.5 × VREF (VIN – 2.5) / RIN Input range = 1.5 × VREF (VIN – 2.7) / RIN Input range = 1.25 × VREF (VIN – 2.5) / RIN INPUT OVERVOLTAGE PROTECTION CIRCUIT VOVP All input ranges AVDD = 5 V, all input ranges –20 20 V AVDD = floating, all input ranges –15 15 INPUT BANDWIDTH f–3 dB Small-signal Input bandwidth –3 dB All input ranges 15 kHz f–0.1 dB –0.1 dB All input ranges 2.5 ADS8691, ADS8695, ADS8699 SBAS777B – DECEMBER 2016 – REVISED MARCH 2021 www.ti.com 6 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: ADS8691 ADS8695 ADS8699 |
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