IC-LNB_16 Datasheet, PDF (3/37 Pages) IC-Haus GmbH – 18-BIT OPTO ENCODER

iC-LNB 18-BIT OPTO ENCODER ^preliminary
WITH SPI AND SER/PAR INTERFACES
CONTENTS
Rev B2, Page 3/37
PACKAGING INFORMATION
PIN CONFIGURATION
oBGA LNB2C
(7.6 mm x 7.1 mm x 1.6 mm) . . . . . . .
PIN CONFIGURATION
oQFN38-7x5
(7.0 mm x 5.0 mm x 0.9 mm)
(in qualification) . . . . . . . . . . . . . .
PAD LAYOUT . . . . . . . . . . . . . . . . .
PACKAGE DIMENSIONS oQFN38-7x5 . . .
4
Radial adjustment to code disc . . . . . . . . 25
SIGNAL CONDITIONING
26
4
Gain . . . . . . . . . . . . . . . . . . . . . . . 26
Sine calibration . . . . . . . . . . . . . . . . . 26
Cosine calibration . . . . . . . . . . . . . . . 26
5
Square control . . . . . . . . . . . . . . . . . 27
6 _{LED POWER CONTROL}
28
7
Error monitoring . . . . . . . . . . . . . . . . 28
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
8 _INTERPOLATOR
28
8
Interpolator resolution . . . . . . . . . . . . . 28
Interpolator filter . . . . . . . . . . . . . . . . 28
ELECTRICAL CHARACTERISTICS
9
FLEXCOUNT^®
29
OPERATING REQUIREMENTS
14
SPI Interface . . . . . . . . . . . . . . . . . . 14
Shift Register . . . . . . . . . . . . . . . . . . 15
CONFIGURATION PARAMETERS
16
Enable/disable . . . . . . . . . . . . . . . . . 29
Resolution . . . . . . . . . . . . . . . . . . . 29
Reset . . . . . . . . . . . . . . . . . . . . . . 29
Hysteresis . . . . . . . . . . . . . . . . . . . . 30
Incremental outputs . . . . . . . . . . . . . . 30
PROGRAMMING iC-LNB
Position offset . . . . . . . . . . . . . . . . . . 30
17
Address range . . . . . . . . . . . . . . . . . 17 _{INCREMENTAL OUTPUT}
31
RAM monitoring (parity check) . . . . . . . . 17
Selecting the output . . . . . . . . . . . . . . 31
Reset values . . . . . . . . . . . . . . . . . . 18
Tristate . . . . . . . . . . . . . . . . . . . . . 31
Programming sequence . . . . . . . . . . . . 18
SHIFT REGISTER OUTPUT
31
OPERATING MODES
20
PARALLEL ENCODER MODE
32
SPI INTERFACE
21
General protocol description . . . . . . . . . 21 ^{ALARM OUTPUT}
33
OPCODE description . . . . . . . . . . . . . 21 _OSCILLATOR
33
GRAY-CODE OUTPUTS
24 _{TEST FUNCTIONS}
34
ADJUSTMENT
24 _{DESIGN REVIEW: Notes On Chip Functions 35}
Tilt angle . . . . . . . . . . . . . . . . . . . . 24
Example: LNB1S 42-1024 . . . . . . . . . . . 24 REVISION HISTORY
36