IC-LNB_13 Datasheet, PDF (6/35 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
Rev A1, Page 6/35
PAD LAYOUT
3310
DA4V DA4N
DA3V DA3N
DA2V DA2N
5480
DA1VP DA1NP
200
DA1VN DA1NN
80
300
500
250 DPSIN
DPCOS
80
DNCOS
DNSIN
40
350
200 DA5V DA5N
DA6V DA6N
DA7V DA7N
DA8V DA8N
DA9V DA9N
DA10V DA10N
1810
110
110
PAD FUNCTIONS
No. Name Function
1 GND I/O Ports Ground
2 VDD + 3 V ... +5.5 V I/O Ports Supply Voltage
3 SCK SPI Clock Input
4 MOSI SPI Data Input
5 MISO SPI Data Output
6 CS SPI Chip Select Input
7 TNC Test Input NCOS /
Parallel Output Bit 15
8 TNS Test Input NSIN /
Parallel Output Bit 14
9 DIR Code Inversion Input /
Parallel Output Bit 13
10 NSL Shift Register Load Input (low active) /
Parallel Output Bit 12
11 DIN Shift Register Data Input /
Parallel Output Bit 11
12 DOUT Shift Register Data Output /
Parallel Output Bit 10
13 CLK Shift Register Clock Input /
Parallel Output Bit 9
14 GA Gray-code Output A (MSB) /
Parallel Output Bit 8
15 GB Gray-code Output B (MSB-1) /
Parallel Output Bit 7
16 XJD Adjustment Signal /
Parallel Output Bit 6
17 POK Power Ok Indication/
Parallel Output Bit 5
18 INCZ Incremental Output Z /
Parallel Output Bit 4
19 INCB Incremental Output B /
Parallel Output Bit 3
20 INCA Incremental Output A /
Parallel Output Bit 2
21 ERR Error Message Output
22 TPS Test Input PSIN /
Parallel Output Bit 1
23 TPC Test Input PCOS /
Parallel Output Bit 0
24 NCOS Analog Voltage Output NCOS
25 PCOS Analog Voltage Output PCOS
26 NSIN Analog Voltage Output NSIN
27 PSIN Analog Voltage Output PSIN
28 LED LED Highside Current Source
29 VDDA + 4 V ... +5.5 V Supply Voltage
30 GNDA Ground
Wiring unused input pads can be recommended, especially for pins DIR, TPS, TNS, TPC, TNC (e.g. via 10 kΩ
to GNDA).