EVAL-AD7150EBZ Analog Devices Inc, EVAL-AD7150EBZ Datasheet - Page 2

• Manufacturer Part Number: EVAL-AD7150EBZ
• Description: BOARD EVAL FOR AD7150
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7150EBZ

• Sensor Type: Touch, Capacitive
• Interface: I²C
• Voltage - Supply: 2.7 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: AD7150
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

AD7150
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Architecture and Main Features ................................................... 10
Register Descriptions ..................................................................... 14
REVISION HISTORY
11/07—Revision 0: Initial Version
Timing Specifications .................................................................. 4
ESD Caution.................................................................................. 5
Capacitance-to-Digital Converter............................................ 10
CAPDAC ..................................................................................... 10
Comparator and Threshold Modes.......................................... 11
Adaptive Threshold.................................................................... 11
Data Average ............................................................................... 11
Sensitivity..................................................................................... 12
Hysteresis..................................................................................... 12
Timeout........................................................................................ 12
AutoCAPDAC Adjustment ....................................................... 13
Power-Down Timer ................................................................... 13
Power Supply Monitor ............................................................... 13
Status Register ............................................................................. 15
Data Registers ............................................................................. 16
Average Registers........................................................................ 16
Rev. 0 | Page 2 of 28
Serial Interface ................................................................................ 21
Hardware Design Considerations ................................................ 23
Outline Dimensions ....................................................................... 26
Fixed Threshold Registers ......................................................... 16
Sensitivity Registers ................................................................... 16
Timeout Registers....................................................................... 17
Setup Registers............................................................................ 18
Configuration Register .............................................................. 19
Power-Down Timer Register .................................................... 20
CAPDAC Registers .................................................................... 20
Serial Number Register.............................................................. 20
Chip ID Register......................................................................... 20
Read Operation........................................................................... 21
Write Operation.......................................................................... 21
AD7150 Reset ............................................................................. 22
General Call ................................................................................ 22
Overview ..................................................................................... 23
Parasitic Capacitance to Ground.............................................. 23
Parasitic Resistance to Ground................................................. 23
Parasitic Parallel Resistance ...................................................... 23
Parasitic Serial Resistance ......................................................... 24
Input Overvoltage Protection ................................................... 24
Input EMC Protection ............................................................... 24
Power Supply Decoupling and Filtering.................................. 24
Application Examples ................................................................ 25
Ordering Guide .......................................................................... 26