link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 5 link to page 5 link to page 5 link to page 6 link to page 7 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 11 link to page 11 link to page 13 link to page 13 ADN2891Data SheetTABLE OF CONTENTS Features .. 1 Theory of Operation .. 10 Applications ... 1 Limiting Amplifier ... 10 General Description ... 1 Loss of Signal (LOS) Detector .. 10 Functional Block Diagram .. 1 Received Signal Strength Indicator (RSSI) ... 10 Revision History ... 2 Squelch Mode ... 10 Specifications ... 3 Applications ... 11 Absolute Maximum Ratings .. 5 PCB Design Guidelines ... 11 Thermal Resistance .. 5 Outline Dimensions ... 13 ESD Caution .. 5 Ordering Guide .. 13 Pin Configuration and Function Descriptions ... 6 Typical Performance Characteristics ... 7 REVISION HISTORY 3/2017—Rev. A to Rev. B Changed CP-16-3 to CP-16-27 .. Throughout Changes to Figure 2 .. 4 Changes to Figure 20 .. 11 Changes to Ordering Guide .. 13 Updated Outline Dimensions ... 13 7/2005—Rev. 0 to Rev. A Changes to Table 1 .. 3 Changes to Ordering Guide .. 13 3/2005—Revision 0: Initial Version Rev. B | Page 2 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