IC-MQ_15 Datasheet, PDF (3/43 Pages) IC-Haus GmbH – Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

iC-MQ PROGRAMMABLE 9-BIT
Sin/Cos INTERPOLATION IC WITH RS422 DRIVER
CONTENTS
Rev F3, Page 3/43
PACKAGING INFORMATION
4 SIGNAL LEVEL CONTROL and SIGNAL
PIN CONFIGURATION TSSOP20 . . . . . . 4
MONITORING
25
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
ELECTRICAL CHARACTERISTICS
PROGRAMMING
REGISTER MAP
5 ^{SINE-TO-DIGITAL CONVERSION}
26
OUTPUT SETTINGS AND ZERO SIGNAL
27
5
Zero Signal Generation . . . . . . . . . . . . 27
6
Description Of CFGABZ Setup . . . . . . . . 28
Setup Example 1 . . . . . . . . . . . . . . . . 28
11
Setup Example 2 . . . . . . . . . . . . . . . . 28
Output Driver Configuration . . . . . . . . . . 29
12
Minimum Phase Distance . . . . . . . . . . . 29
SERIAL CONFIGURATION INTERFACE
14 ERROR MONITORING AND ALARM OUTPUT 30
Example of CRC Calculation Routine . . . . 14
Alarm Output: I/O-pin ERR . . . . . . . . . . 30
EEPROM Selection . . . . . . . . . . . . . . 14
Line Count Error . . . . . . . . . . . . . . . . 30
I²C Slave Mode (ENSL = 1) . . . . . . . . . . 15
Intermediate error information buffer
(Addr. 0x40-0x43) . . . . . . . . . . . . 15
Excessive Temperature Warning . . . . . . . 30
Driver Shutdown . . . . . . . . . . . . . . . . 31
Error Logging . . . . . . . . . . . . . . . . . 31
BIAS CURRENT SOURCE AND
Clearing ERR1, ERR2 and ERR3 . . . . . . . 31
TEMPERATURE SENSOR CALIBRATION 16 _{REVERSE POLARITY PROTECTION}
32
Bias Current . . . . . . . . . . . . . . . . . . 16
Temperature Sensor . . . . . . . . . . . . . . 16 ^{TEST MODE}
33
Quick Programming In The
OPERATING MODES
17
Mode ABZ . . . . . . . . . . . . . . . . . . . 17
Mode 191/193 . . . . . . . . . . . . . . . . . 17
Single-Master System . . . . . . . . . . 34
Quick Programming In The
Multimaster System . . . . . . . . . . . 34
Calibration 1, 2, 3 . . . . . . . . . . . . . . . 18 _{GENERAL APPLICATION HINTS}
35
TEST 6 . . . . . . . . . . . . . . . . . . . . . 18
In-circuit Programming Of The EEPROM . . 35
System Test Mode and Digital Calibration . . 18
Absolute Angle Accuracy And Edge Jitter . . 35
INPUT CONFIGURATION
Information On The Demo Board . . . . . . . 35
19
Current Signals . . . . . . . . . . . . . . . . . 19 APPLICATIONS NOTES: SIGNAL
Voltage Signals . . . . . . . . . . . . . . . . . 19
CONDITIONING
36
Offset Quick Check . . . . . . . . . . . . . . . 38
SIGNAL PATH MULTIPLEXING
SIGNAL CONDITIONING CH1, CH2
21
Signal Conditioning Example 1: . . . . . . . . 38
Photodiode array connected to current inputs,
22
LED supply with constant current source 38
Gain Settings . . . . . . . . . . . . . . . . . . 22
Offset Calibration CH1, CH2 . . . . . . . . . 23
Signal Conditioning Example 2: . . . . . . . . 39
Encoder supplying 100 mVpp to voltage inputs 39
Phase Correction CH1 vs. CH2 . . . . . . . . 23
APPLICATION NOTES: CIRCUIT EXAMPLES 40
SIGNAL CONDITIONING CH0
24 _{DESIGN REVIEW: Notes On Chip Functions 42}
Gain Settings CH0 . . . . . . . . . . . . . . . 24
Offset Calibration CH0 . . . . . . . . . . . . . 24 REVISION HISTORY
42