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AD8421BRMZ-R7 Datasheet(PDF) 5 Page - Analog Devices |
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AD8421BRMZ-R7 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 28 page  Data Sheet AD8421 Rev. 0 | Page 5 of 28 AR Grade BR Grade Parameter Test Conditions/ Comments Min Typ Max Min Typ Max Unit POWER SUPPLY Operating Range Dual supply ±2.5 ±18 ±2.5 ±18 V Single supply 5 36 5 36 V Quiescent Current 2 2.3 2 2.3 mA Over Temperature TA = −40°C to +85°C 2.6 2.6 mA TEMPERATURE RANGE For Specified Performance −40 +85 −40 +85 °C Operational5 −40 +125 −40 +125 °C 1 Total voltage noise = √(eni2 + (eno/G)2 + eRG2). See the Th section for more information. eory of Operation 2 Total RTI VOS = (VOSI) + (VOSO/G). 3 These specifications do not include the tolerance of the external gain setting resistor, RG. For G > 1, add RG errors to the specifications given in this table. 4 Input voltage range of the AD8421 input stage only. The input range can depend on the common-mode voltage, differential voltage, gain, and reference voltage. See the section for more details. Input Voltage Range 5 See the section for expected operation between 85°C and 125°C. Typical Performance Characteristics ARM AND BRM GRADES Table 2. ARM Grade BRM Grade Parameter Test Conditions/ Comments Min Typ Max Min Typ Max Unit COMMON-MODE REJECTION RATIO (CMRR) CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = −10 V to +10 V G = 1 84 92 dB G = 10 104 112 dB G = 100 124 132 dB G = 1000 134 140 dB Over Temperature, G = 1 TA = −40°C to +85°C 80 90 dB CMRR at 20 kHz VCM = −10 V to +10 V G = 1 80 80 dB G = 10 90 90 dB G = 100 100 100 dB G = 1000 100 100 dB NOISE Voltage Noise, 1 kHz1 VIN+, VIN− = 0 V Input Voltage Noise, eni 3 3.2 3 3.2 nV/√Hz Output Voltage Noise, eno 60 60 nV/√Hz Peak to Peak, RTI f = 0.1 Hz to 10 Hz G = 1 2 2 2.2 μV p-p G = 10 0.5 0.5 μV p-p G = 100 to 1000 0.07 0.07 0.09 μV p-p Current Noise Spectral Density f = 1 kHz 200 200 fA/√Hz Peak to Peak, RTI f = 0.1 Hz to 10 Hz 18 18 pA p-p VOLTAGE OFFSET2 Input Offset Voltage, VOSI VS = ±5 V to ±15 V 70 50 μV Over Temperature TA = −40°C to +85°C 135 135 μV Average TC 0.9 0.9 μV/°C Output Offset Voltage, VOSO 600 400 μV Over Temperature TA = −40°C to +85°C 1 1 mV Average TC 9 9 μV/°C |
Similar Part No. - AD8421BRMZ-R7 |
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Similar Description - AD8421BRMZ-R7 |
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