Data SheetHMC8325PIN CONFIGURATION AND FUNCTION DESCRIPTIONSGNDVG1GNDVD1GNDVGNDVG2D2GNDVGNDVG3D3GNDVGNDVG4D445678910111213141516171819HMC8325GND320GNDRF221RFINOUTGND122GND 002 14692- Figure 2. Pin Configuration Table 4. Pin Function Descriptions Pad No.MnemonicDescription 1, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 GND Ground Connection. 2 RF RF Input. AC couple RF and match it to 50 Ω. IN IN 5, 9, 13, 17 V to V Gate Bias Voltage for the Low Noise Amplifier. G1 G4 7, 11, 15, 19 V to V Drain Bias Voltage for the Low Noise Amplifier. D1 D4 21 RF RF Output. AC couple RF and match it to 50 Ω. OUT OUT Die Bottom GND Ground. Die bottom must be connected to the RF/dc ground. INTERFACE SCHEMATICSGNDVD1, VD2, VD3, VD4 003 14692- 006 14692- Figure 3. GND Interface Schematic Figure 6. VD1 to VD4 Interface Schematic 004 007 RFINRF 14692- OUT 14692- Figure 4. RF Figure 7. RF IN Interface Schematic OUT Interface Schematic 005 VG1, VG2, VG3, VG4 14692- Figure 5. VG1 to VG4 Interface Schematic Rev. 0 | Page 5 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS INTERFACE SCHEMATICS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATION INFORMATION MOUNTING AND BONDING TECHNIQUES FOR MILLIMETERWAVE GAAS MMICS HANDLING PRECAUTIONS Storage Cleanliness Static Sensitivity Transients General Handling MOUNTING Eutectic Die Attach Epoxy Die Attach WIRE BONDING ASSEMBLY DIAGRAM OUTLINE DIMENSIONS ORDERING GUIDE