link to page 7 link to page 9 link to page 7 link to page 7 Data SheetAD588PIN CONFIGURATION AND FUNCTION DESCRIPTIONSA3 OUT FORCE116 –VS+V215SA4 OUT FORCEA3 OUT SENSE314 A4 OUT SENSEA3 IN4AD58813 A4 INTOP VIEWGAIN ADJ5 (Not to Scale) 12 BAL ADJV611HIGHVCTNOISE710 GND SENSE –INREDUCTION 002 89VGND SENSE +INLOW 00531- Figure 2. Pin Configuration Table 4. Pin Function Descriptions Pin No.MnemonicDescription 1 A3 OUT FORCE Output from Buffering Amplifier 3 with Kelvin Force. Connect to Pin 3. 2 +VS Positive Power Supply. 3 A3 OUT SENSE Output from Buffering Amplifier 3 with Kelvin Sense. Connect to Pin 1. 4 A3 IN Positive Input to Amplifier 3. Connect to VHIGH, Pin 6. 5 GAIN ADJ Reference Gain Adjustment for Calibration. See the Calibration section. 6 VHIGH Unbuffered Reference High Output. 7 NOISE REDUCTION Noise Filtering Pin. Connect external 1 µF capacitor to ground to reduce the output noise (see the Noise Performance and Reduction section). Can be left open. 8 VLOW Unbuffered Reference Low Output. 9 GND SENSE +IN Positive Input to the Ground Sense Amplifier. 10 GND SENSE −IN Negative Input to the Ground Sense Amplifier. 11 VCT Center Tap Voltage used for Calibration. See the Calibration section. 12 BAL ADJ Reference Centering Adjustment for Calibration. See the Calibration section. 13 A4 IN Positive Input to Amplifier 4. Connect to VLOW, Pin 8. 14 A4 OUT SENSE Output of Buffering Amplifier 4 with Kelvin Sense. Connect to Pin 15. 15 A4 OUT FORCE Output of Buffering Amplifier 4 with Kelvin Force. Connect to Pin 14. 16 −VS Negative Power Supply. Rev. M | Page 5 of 20 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS THEORY OF OPERATION APPLICATIONS INFORMATION CALIBRATION NOISE PERFORMANCE AND REDUCTION TURN-ON TIME TEMPERATURE PERFORMANCE KELVIN CONNECTIONS DYNAMIC PERFORMANCE USING THE AD588 WITH CONVERTERS AD7535 14-BIT DIGITAL-TO-ANALOG CONVERTER AD569 16-BIT DIGITAL-TO-ANALOG CONVERTER SUBSTITUTING FOR INTERNAL REFERENCES AD574A 12-BIT ANALOG-TO-DIGITAL CONVERTER RESISTANCE TEMPERATURE DETECTOR (RTD) EXCITATION BOOSTED PRECISION CURRENT SOURCE BRIDGE DRIVER CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE