IC-MQ Datasheet, PDF (3/39 Pages) IC-Haus GmbH – PROGRAMMABLE 9-BIT Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

iC-MQ PROGRAMMABLE 9-BIT
Sin/Cos INTERPOLATION IC WITH RS422 DRIVER
CONTENTS
Rev D4, Page 3/39
PACKAGES
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
4
1. Photodiode array connected to current
inputs, LED supply with constant
5
current source . . . . . . . . . . . . . . 23
2. Encoder supplying 100 mVpp to voltage
5
inputs . . . . . . . . . . . . . . . . . . . 23
ELECTRICAL CHARACTERISTICS
PROGRAMMING
6 ^{SIGNAL CONDITIONING CH0}
24
Gain Settings CH0 . . . . . . . . . . . . . . . 24
11
Offset Calibration CH0 . . . . . . . . . . . . . 24
REGISTER MAP
12 ^{SIGNAL LEVEL CONTROL and SIGNAL}
MONITORING
25
SERIAL CONFIGURATION INTERFACE
14
SINE-TO-DIGITAL CONVERSION
26
Example of CRC Calculation Routine . . . . . 14
EEPROM Selection . . . . . . . . . . . . . . 14 _{OUTPUT SETTINGS AND ZERO SIGNAL}
27
I²C Slave Mode (ENSL = 1) . . . . . . . . . . 15
Zero Signal Generation . . . . . . . . . . . . 27
BIAS CURRENT SOURCE AND
TEMPERATURE SENSOR CALIBRATION 16
Bias Current . . . . . . . . . . . . . . . . . . 16
Temperature Sensor . . . . . . . . . . . . . . 16
Description Of CFGABZ Setup . . . . . . . . 28
Setup Example 1 . . . . . . . . . . . . . . . . 28
Setup Example 2 . . . . . . . . . . . . . . . . 28
Output Driver Configuration . . . . . . . . . . 29
Minimum Phase Distance . . . . . . . . . . . 29
OPERATING MODES
17 _{ERROR MONITORING AND ALARM OUTPUT 30}
Mode ABZ . . . . . . . . . . . . . . . . . . . 17
Error Protocol . . . . . . . . . . . . . . . . . . 31
Mode 191/193 . . . . . . . . . . . . . . . . . 17
Line Count Error . . . . . . . . . . . . . . . . 31
Calibration 1, 2, 3 . . . . . . . . . . . . . . . 17
Temperature Monitoring . . . . . . . . . . . . 31
TEST 6 . . . . . . . . . . . . . . . . . . . . . 18
System Test . . . . . . . . . . . . . . . . . . 18 ^{REVERSE POLARITY PROTECTION}
32
INPUT CONFIGURATION
19 ^{TEST MODE}
33
Current Signals . . . . . . . . . . . . . . . . . 19
Voltage Signals . . . . . . . . . . . . . . . . . 19
Quick programming in the
single master system . . . . . . . . . . . 34
Quick programming in the
SIGNAL PATH MULTIPLEXING
20
multimaster system . . . . . . . . . . . . 34
EXAMPLE APPLICATIONS
35
SIGNAL CONDITIONING CH1, CH2
21
Gain Settings . . . . . . . . . . . . . . . . . . 21 _{APPLICATION HINTS}
37
Offset Calibration CH1, CH2 . . . . . . . . . 22
In-circuit programming of the EEPROM . . . 37
Phase Correction CH1 vs. CH2 . . . . . . . . 22
Absolute angle accuracy and edge jitter . . . 37
Signal Conditioning Examples . . . . . . . . 23
Information on the demo board . . . . . . . . 37