IC-TW11 Datasheet, PDF (3/25 Pages) IC-Haus GmbH – 10-BIT ULTRA LOW POWER MAGNETIC ABSOLUTE ROTARY ENCODER

iC-TW11 10-BIT ULTRA LOW POWER^preliminary
MAGNETIC ABSOLUTE ROTARY ENCODER
CONTENTS
Rev B1, Page 3/25
PACKAGING INFORMATION
PIN CONFIGURATION QFN16-4x4
(top view) . . . . . . . . . . . . . . . . .
PIN FUNCTIONS . . . . . . . . . . . . . . .
PACKAGE DIMENSIONS QFN16 4x4 . . . .
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
ELECTRICAL CHARACTERISTICS
OPERATING REQUIREMENTS
SPI Interface . . . . . . . . . . . . . . . . . .
4
Response packet format . . . . . . . . . . . . 12
4 ^{REGISTER MAP}
13
4
ANGLE Register . . . . . . . . . . . . . . . . 14
5
SIN Register . . . . . . . . . . . . . . . . . . 14
COS Register . . . . . . . . . . . . . . . . . . 14
6
HALL Registers . . . . . . . . . . . . . . . . . 15
DEVICE Register . . . . . . . . . . . . . . . . 15
6
CONFIG Register . . . . . . . . . . . . . . . 15
7
STATUS Register . . . . . . . . . . . . . . . . 16
GAIN Register . . . . . . . . . . . . . . . . . 16
8
READING REGISTERS
17
8
WRITING REGISTERS
18
FUNCTIONAL BLOCK DIAGRAM
9
Hall Array . . . . . . . . . . . . . . . . . . . . 9 _{STARTUP (DEFAULT CONFIGURATION)}
19
Programmable Gain Amplifiers . . . . . . . . 9
Filters . . . . . . . . . . . . . . . . . . . . . . 9 ^{CONVERSION WARNINGS}
19
Analog-to-Digital Converters (ADCs) . . . . . 9 _{USING INTERRUPTS}
20
3Ø/2Ø Transform . . . . . . . . . . . . . . . . 9
Arc-Tangent . . . . . . . . . . . . . . . . . . . 9 _{USING THE SAMPLE INPUT}
20
SPI Port . . . . . . . . . . . . . . . . . . . . . 9
Automatic Gain Control . . . . . . . . . . . . 9 ^{USING LOW POWER MODE}
21
Sample Timing . . . . . . . . . . . . . . . . . 9 _{CALCULATING CURRENT CONSUMPTION}
21
HALL SENSORS
10 _{DETERMINING THE MAGNETIC AIRGAP}
21
ELECTRICAL CONNECTIONS
11 _{BUSSING MULTIPLE ICs}
22
SPI COMMUNICATION
12 _{CHAINING MULTIPLE ICs}
23
SPI COMMAND AND RESPONSE PACKET
DESIGN REVIEW: Function Notes
24
FORMAT
12
Command packet format . . . . . . . . . . . 12 REVISION HISTORY
24