link to page 1 AD8428-KGDData SheetParameterTest Conditions/CommentsMinTypMaxUnit REFERENCE INPUT Input Impedance (RIN) 132 kΩ Input Current (IIN) VIN+, VIN− = 0 V 6.5 µA Voltage Range −VS +VS V Reference Gain to Output 1 V/V Reference Gain Error 0.01 % FILTER TERMINALS R 2 IN 6 kΩ Voltage Range −VS +VS V POWER SUPPLY Operating Range ±4 ±18 V Quiescent Current 6.5 6.8 mA Over Temperature TA = −40°C to +85°C 8 mA TEMPERATURE RANGE For Specified Performance −40 +85 °C Operational3 −40 +125 °C 1 The differential and common-mode input impedances are calculated from the pin impedance: differential impedance (ZDIFF) = 2(pin impedance (ZPIN)); common-mode impedance (ZCM) = ZPIN/2. 2 To calculate the actual impedance, see Figure 1. 3 See the AD8428 data sheet for expected operation between 85°C and 125°C. Rev. 0 | Page 4 of 7 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE
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