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ADA4352-2ACPZ-R7 数据表(PDF) 10 Page - Analog Devices |
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ADA4352-2ACPZ-R7 数据表(HTML) 10 Page - Analog Devices |
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10 / 47 page  Data Sheet ADA4352-2 analog.com Rev 0 10 of 47 Table 2. Electrical Characteristics 3 V Specifications (TA = 25°C, AVDD = 1.5 V, AVSS = −1.5 V, DVDD = 3 V, DVSS = 0 V, load resistance (RL) = open, +IN = 0V, unless otherwise noted. These default AVDD, AVSS, and +IN conditions are equivalent to a symmetrical supply configuration with +IN biased to 0 V.) PARAMETER SYMBOL CONDITIONS COMMENTS MIN TYP MAX UNITS TEST LEVELS DC PERFORMANCE Input Offset Voltage VOS,RTI TA = +25°C ±25 ±150 μV P Input Offset Voltage Drift ΔVOS/ΔT 0°C < TA < +85°C ±0.11 ±0.85 µV/°C CB Input Offset Voltage Drift ΔVOS/ΔT −40°C < TA < +125°C ±0.22 ±1.0 µV/°C CB Output Offset Voltage VOS,OUT TA = +25°C RF0= 315 Ω ±40 ±160 μV P RF1= 3.5 kΩ ±40 ±160 μV P RF2= 40.2 kΩ ±40 ±160 μV P RF3= 450 kΩ ±40 ±165 μV P Output Offset Voltage Drift VOS,OUT /ΔT −40°C < TA < +125°C RF0= 315 Ω ±0.4 ±1.3 µV/°C CT RF1= 3.5 kΩ ±0.4 ±1.3 µV/°C CT RF2= 40.2 kΩ ±0.4 ±1.3 µV/°C CT RF3= 450 kΩ ±0.5 ±1.7 µV/°C CT Internal Feedback Resistance RFX TA = +25°C RF0= 315 Ω 0.28 0.315 0.35 kΩ P RF1= 3.5 kΩ 3.15 3.5 3.9 kΩ P RF2= 40.2 kΩ 36 40.2 45 kΩ P RF3= 450 kΩ 400 450 500 kΩ P Internal Feedback Resistance Drift2 ΔRFX/ΔT −40°C < TA < +125°C RF0= 315 Ω 32 47 ppm/°C CT RF1= 3.5 kΩ 14 32 ppm/°C CT RF2= 40.2 kΩ 14 29 ppm/°C CT RF3= 450 kΩ 8 25 ppm/°C CT Open-Loop Voltage Gain2 AVOL VOUT = −1.4 V to 0 V, TA = +25°C RF2= 40.2 kΩ 93 115 dB P VOUT = -1.4 V to 0 V, −40°C < TA < +125°C RF2= 40.2 kΩ 98 dB CT Feedback Capacitance3 CFX TA = +25°C RF0= 315 Ω 33 pF CB RF1= 3.5 kΩ 26.5 pF CB RF2= 40.2 kΩ 7 pF CB RF3= 450 kΩ 2.5 pF CB Ratiometric Gain Variation Between Channels −40°C < TA < +125°C All Ranges 0.3 2 % P |
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