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AD8422 Datasheet(PDF) 8 Page - Analog Devices |
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AD8422 Datasheet(HTML) 8 Page - Analog Devices |
8 / 25 page Data Sheet AD8422 Parameter Test Conditions/ Comments AD8422ARMZ AD8422BRMZ Unit Min Typ Max Min Typ Max INPUT Input Impedance Differential 200||2 200||2 GΩ||pF Common Mode 200||2 200||2 GΩ||pF Input Operating Voltage Range4 VS = ±2.3 V to ±18 V −VS + 1.2 +VS − 1.2 −VS + 1.2 +VS − 1.2 V Over Temperature T = −40°C to +85°C −VS + 1.2 +VS − 1.3 −VS + 1.2 +VS − 1.3 V OUTPUT Output Swing, RL = 10 kΩ VS = ±15 V −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V Over Temperature T = −40°C to +85°C −VS + 0.25 +VS − 0.25 −VS + 0.25 +VS − 0.25 V Output Swing, RL = 10 kΩ VS = ±2.3 V −VS + 0.12 +VS − 0.12 −VS + 0.12 +VS − 0.12 V Over Temperature T = −40°C to +85°C −VS + 0.13 +VS − 0.13 −VS + 0.13 +VS − 0.13 V Output Swing, RL = 2 kΩ VS = ±15 V −VS + 0.25 +VS − 0.25 −VS + 0.25 +VS − 0.25 V Over Temperature5 T = −40°C to +85°C −VS + 0.3 +VS – 1.4 −VS + 0.3 +VS – 1.4 V Output Swing, RL = 2 kΩ VS = ±2.3 V −VS + 0.16 +VS − 0.16 −VS + 0.16 +VS − 0.16 V Over Temperature T = −40°C to +85°C −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V Short-Circuit Current 20 20 mA POWER SUPPLY Operating Range Dual-supply operation ±2.3 ±18 ±2.3 ±18 V Single-supply operation 4.6 36 4.6 36 V Quiescent Current 300 330 300 330 µA Over Temperature T = −40°C to +85°C 400 400 µA TEMPERATURE RANGE Specified Performance –40 +85 –40 +85 °C Operating Range6 –40 +125 –40 +125 °C 1 Total RTI Noise = √eNI2 + (eNO/G)2 2 Total RTI VOS = (VOSI) + (VOSO/G). 3 Gain does not include the effects of the external resistor, RG. 4 One input grounded. G = 1. 5 Output current limited at cold temperatures. See Figure 33. 6 See Typical Performance Characteristics for expected operation between 85°C and 125°C. Rev. A | Page 7 of 24 |
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