Data SheetADAR1000PIN CONFIGURATION AND FUNCTION DESCRIPTIONS1 2 3 4 5 6 7 8 9 10111213A B C DEFADAR1000GTOP VIEWH(Not to Scale)JKLMNNOTES 1. EXPOSED PAD. CONNECT THE EXPOSED PAD AND 006 ALL GND CONNECTIONS TO A LOW IMPEDANCE GROUND PLANE ON THE PCB. 16790- Figure 7. Pin Configuration (Top View) 12345678910111213ADET3GNDTR_SW_NEGPA_BIAS4PA_BIAS3GNDRF_IOGNDPA_BIAS2PA_BIAS1LNA_BIASGNDGNDBGNDGNDPA_ONTR_POLTR_SW_POSGNDGNDGNDGNDGNDAVDD1GNDGNDCTX3GNDGNDRX2NO PINSDGNDGNDGNDGNDERX3GNDGNDTX2FGNDGNDGNDGNDEXPOSED PADCONNECT TO LOW IMPEDANCE GROUND PLANE ON PCBGDET4GNDGNDDET2HGNDGNDGNDGNDJTX4GNDGNDRX1KGNDGNDGNDGNDLRX4GNDNO PINSGNDTX1MGNDGNDCSBSDOSDIOSCLKGNDCREG1CREG2AVDD3AVDD3GNDGNDNGNDRX_LOADTX_LOADADDR0ADDR1TRGNDGNDCREG4CREG3AVDD3GNDDET1GROUNDRF INPUT/OUTPUTBEAM CONTROLSPI3.3V ANALOG SUPPLYEXT BIAS OUTPUTREGULATOR DECOUPLINGCHIP ADDRESS 108 –5V ANALOG SUPPLYDETECTOR OUTPUTPA BIAS CONTROLEXPOSED PAD 16790- Figure 8. Pin Configuration, Color Coded (Top View) Rev. A | Page 9 of 65 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Specifications Timing Diagrams SPI Block Write Mode SPI Write All Mode Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation RF Path Phase and Gain Control Power Detectors External Amplifier Bias DACs External Switch Control Transmit and Receive Control RF Subcircuit Bias Control and Enables ADC Operation Chip Addressing Memory Access Calibration Applications Information Gain Control Registers Switched Attenuator Control Phase Control Registers Transmit and Receive Subcircuit Control TR_SOURCE = 1 (TR Pin Control) TR_SOURCE = 0 (SPI Control) Transmit and Receive Switch Driver Control PA Bias Output Control LNA Bias Output Control Transmit/Receive Delay Control Transmit and Receive Mode Switching SPI Programming Example Powering the ADAR1000 Register Map Register Descriptions Outline Dimensions Ordering Guide