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