ADA2200

Data Sheet

TABLE OF CONTENTS

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

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

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

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

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

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

SPI Timing Characteristics ......................................................... 4

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

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

Terminology .................................................................................... 10

Theory of Operation ...................................................................... 11

Synchronous Demodulation Basics ......................................... 11

ADA2200 Architecture.............................................................. 12

Decimation Filter........................................................................ 12

IIR Filter....................................................................................... 13

Mixer ............................................................................................ 13

Clocking Options ....................................................................... 14

Input and Output Amplifiers.................................................... 15

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

Amplitude Measurements......................................................... 16

Phase Measurements.................................................................. 16

Amplitude and Phase Measurements ...................................... 16

Analog Output Systems............................................................. 17

Interfacing to ADCs................................................................... 17

Lock-In Amplifier Application................................................. 17

Interfacing to Microcontrollers ................................................ 18

EEPROM Boot Configuration.................................................. 18

Power Dissipation....................................................................... 18

Device Configuration .................................................................... 19

Serial Port Operation................................................................. 19

Data Format ................................................................................ 19

Serial Port Pin Descriptions...................................................... 19

Serial Port Options..................................................................... 19

Booting from EEPROM ............................................................ 20

Device Configuration Register Map and Descriptions ............. 21

Outline Dimensions....................................................................... 24

Ordering Guide............................................................................... 24

REVISION HISTORY

8/14—Revision 0: Initial Version

Rev. 0 | Page 2 of 24