ADAR2001

Data Sheet

Rev. 0 | Page 2 of 39

TABLE OF CONTENTS

Features.............................................................................................. 1

Applications ...................................................................................... 1

General Description......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications .................................................................................... 3

Timing Specifications .................................................................. 5

Absolute Maximum Ratings ........................................................... 6

Thermal Resistance...................................................................... 6

Electrostatic Discharge (ESD) Ratings...................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions ............................ 7

Typical Performance Characteristics............................................. 9

Theory of Operation ...................................................................... 13

Overview...................................................................................... 13

Input Buffer, 4× Multiplier, and Band-Pass Filter................. 13

Digital Step Attenuator.............................................................. 13

Low-Pass/Notch Filter............................................................... 13

1:4 Signal Splitter Network ....................................................... 14

Output Power Amplifiers.......................................................... 14

Power Detectors and Temperature Sensor............................. 14

ADC Input Multiplexer............................................................. 14

ADC and ADC Clock ................................................................ 15

Applications Information ............................................................. 16

SPI Control.................................................................................. 16

State Machine Modes vs. States................................................ 16

State Machine Setup .................................................................. 17

Multiplier/Filter State Machine................................................ 17

Transmitter State Machine ....................................................... 18

Single-Channel Frequency Sweep............................................ 18

Single Frequency Channel Sweep ............................................ 19

Multichannel Frequency Sweep............................................... 20

Sequencer Sleep Control ........................................................... 20

Sequencer Sleep Hold................................................................ 21

Sequencer Control Latch Bypass.............................................. 21

Parallel Chip Control................................................................. 21

Multichip Frequency and Channel Sweep.............................. 22

Bias Points ....................................................................................... 25

Register Summary .......................................................................... 26

Outline Dimensions....................................................................... 39

Ordering Guide .......................................................................... 39

REVISION HISTORY

8/2020—Revision 0: Initial Version