preliminary

preliminary

Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

Rev A1, Page 4/37

PACKAGING INFORMATION

PIN CONFIGURATION TSSOP20

PIN FUNCTIONS

No. Name

Function

1 X1

Signal Input 1 (Index +)

2 X2

Signal Input 2 (Index -)

3 X3

Signal Input 3

4 X4

Signal Input 4

Analog Supply Voltage

(reverse polarity proof, load 20 mA

max.)

(reverse polarity proof)

7 X5

Signal Input 5

8 X6

Signal Input 6

9 ACO

Signal Level Controller,

high-side current source output

10 SDA

Serial Configuration Interface,

data line

11 SCL

Serial Configuration Interface,

clock line

12 NB

Incremental Output B-

13 PB

Incremental Output B+

14 NA

Incremental Output A-

15 PA

Incremental Output A+

16 GND

Ground

17 VDD

+4.3...5.5 V Supply Voltage

18 NZ

Incremental Output Z-

19 PZ

Incremental Output Z+

20 ERR

Error Signal (In/Out) / Test Mode Trig-

ger Input

1) It is advisable to connect a bypass capacitor of at least 100 nF close to the chip’s analog supply terminals.