link to page 6 Enhanced ProductHMC637ASCPZ-EPPIN CONFIGURATION AND FUNCTION DESCRIPTIONS12CCCCCCNINIACGACGNINININI3231302928272625NIC124 NICVGG2 223 NICNIC 322 GNDHMC637ASCPZ-EPGND 421 RFOUT/VTOP VIEWDDRFIN 520 NIC(Not to Scale)NIC 619 NICNIC 718 NICNIC 817 NIC910111213141516CCCC43NINDNINIGGG1NIVACGACGNOTES 1. NIC = NO INTERNAL CONNECTION. THESE PINS MAY BE CONNECTED TO 003 RF GROUND. PERFORMANCE IS NOT AFFECTED. 2. EXPOSED PAD. THE EXPOSED PAD MUST BE CONNECTED TO RF AND DC GROUND. 20371- Figure 3. Pin Configuration Table 4. Pin Function Descriptions Pin No.Mnemonic Description1 1, 3, 6 to 11, 14, 17 to 20, 23 to 28, 31, 32 NIC No Internal Connection. These pins may be connected to RF ground. Performance is not affected. 2 VGG2 Gate Bias Voltage Control 2 for Amplifier. Apply 5 V to VGG2 for nominal operation. Attach a bypass capacitor per the application circuit shown the Application Information section of the HMC637ALP5E data sheet. 4, 12, 22 GND Ground. Connect Pin 4, Pin 12, and Pin 22 to RF and dc ground. 5 RFIN RF Input. This pad is dc-coupled and matched to 50 Ω. 13 VGG1 Gate Bias Voltage Control 1 for Amplifier. Attach a bypass capacitor per the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. Follow the power-up and power-down sequences outlined in the Application Information section of the HMC637ALP5E data sheet. 15 ACG4 Low Frequency Termination 4. Attach a bypass capacitor per the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. 16 ACG3 Low Frequency Termination 3. Attach a bypass capacitor per the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. 21 RFOUT/VDD RF Output/Drain Bias Voltage for Amplifier. Connect the dc bias (VDD) network to provide IDD. See the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. 29 ACG2 Low Frequency Termination 2. Attach a bypass capacitor per the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. 30 ACG1 Low Frequency Termination 1. Attach a bypass capacitor per the application circuit shown in the Application Information section of the HMC637ALP5E data sheet. EPAD Exposed Pad. The exposed pad must be connected to RF and dc ground. 1 See the Interface Schematics section for pin interfaces. Rev. 0 | Page 5 of 9 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE POWER DERATING CURVES ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS INTERFACE SCHEMATICS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE