ADN2891Data SheetParameterMinTypMaxUnitTest Conditions/Comments LOGIC INPUTS (SQUELCH) VIH, Input High Voltage 2.0 V VIL, Input Low Voltage 0.8 V Input Current 40 µA IINH, VIN = 2.4 V, 100 kΩ pull-down resistor on-chip 6 µA IINL, VIN = 0.4 V, 100 kΩ pull-down resistor on-chip LOGIC OUTPUTS (LOS) VOH, Output High Voltage 2.4 V Open drain output, 4.7 kΩ to 10 kΩ pull-up resistor to VCC VOL, Output Low Voltage 0.4 V Open drain output, 4.7 kΩ to 10 kΩ pull-up resistor to VCC Rev. B | Page 4 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION LIMITING AMPLIFIER Input Buffer CML Output Buffer LOSS OF SIGNAL (LOS) DETECTOR RECEIVED SIGNAL STRENGTH INDICATOR (RSSI) SQUELCH MODE APPLICATIONS PCB DESIGN GUIDELINES Output Buffer Power Supply and Ground Planes PCB Layout Soldering Guidelines for the LFCSP OUTLINE DIMENSIONS ORDERING GUIDE