IC-LNB_13 Datasheet, PDF (3/35 Pages) IC-Haus GmbH – 18-BIT OPTO ENCODER WITH SPI AND SER/PAR INTERFACES

iC-LNB 18-BIT OPTO ENCODER ^preliminary
WITH SPI AND SER/PAR INTERFACES
CONTENTS
Rev A1, Page 3/35
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 . . . . . . . . 24
SIGNAL CONDITIONING
25
4
Gain . . . . . . . . . . . . . . . . . . . . . . . 25
Sine calibration . . . . . . . . . . . . . . . . . 25
Cosine calibration . . . . . . . . . . . . . . . 25
5
Square control . . . . . . . . . . . . . . . . . 26
6
LED POWER CONTROL
27
7
Error monitoring . . . . . . . . . . . . . . . . 27
ABSOLUTE MAXIMUM RATINGS
8
INTERPOLATOR
27
THERMAL DATA
8
Interpolator resolution . . . . . . . . . . . . . 27
ELECTRICAL CHARACTERISTICS
Interpolator filter . . . . . . . . . . . . . . . . 27
9
OPERATING CONDITIONS: SPI Interface
FLEXCOUNT^®
28
14
Enable/disable . . . . . . . . . . . . . . . . . 28
OPERATING CONDITIONS: Shift Register
15
Resolution . . . . . . . . . . . . . . . . . . . . 28
Reset . . . . . . . . . . . . . . . . . . . . . . 28
CONFIGURATION PARAMETERS
16
Hysteresis . . . . . . . . . . . . . . . . . . . . 29
PROGRAMMING iC-LNB
17
Address range . . . . . . . . . . . . . . . . . 17
Incremental outputs . . . . . . . . . . . . . . 29
Position offset . . . . . . . . . . . . . . . . . . 29
RAM monitoring (parity check) . . . . . . . . 17 _{INCREMENTAL OUTPUT}
30
Reset values . . . . . . . . . . . . . . . . . . 18
Selecting the output . . . . . . . . . . . . . . 30
Programming sequence . . . . . . . . . . . . 18
Tristate . . . . . . . . . . . . . . . . . . . . . 30
OPERATING MODES
19 _{SHIFT REGISTER OUTPUT}
30
SPI INTERFACE
20 _{PARALLEL ENCODER MODE}
31
General protocol description . . . . . . . . . 20
OPCODE description . . . . . . . . . . . . . 20 _{ALARM OUTPUT}
32
GRAY-CODE OUTPUTS
23 _OSCILLATOR
32
ADJUSTMENT
23 _{TEST FUNCTIONS}
33
Tilt angle . . . . . . . . . . . . . . . . . . . . 23
Example: LNB1S 42-1024 . . . . . . . . . . . 23 DESIGN REVIEW: Notes On Chip Functions 34