IC-MQF 参数 Datasheet PDF下载

iC-MQF

PROGRAMMABLE 12-BIT

preliminar y

Rev A1, Page 4/37

Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

PACKAGING INFORMATION

PIN CONFIGURATION TSSOP20

PIN FUNCTIONS

No. Name Function

1

2

3

4

5

X1

X2

X3

X4

VDDS

1)

Signal Input 1 (Index +)

Signal Input 2 (Index -)

Signal Input 3

Signal Input 4

Switched Supply Output and Internal

Analog Supply Voltage

(reverse polarity proof, load 20 mA

max.)

Switched Ground

(reverse polarity proof)

Signal Input 5

Signal Input 6

Signal Level Controller,

high-side current source output

Serial Configuration Interface,

data line

Serial Configuration Interface,

clock line

Incremental Output B-

Incremental Output B+

Incremental Output A-

Incremental Output A+

Ground

+4.3...5.5 V Supply Voltage

Incremental Output Z-

Incremental Output Z+

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

ger Input

6 GNDS

1)

7 X5

8 X6

9 ACO

10 SDA

11 SCL

12

13

14

15

16

17

18

19

20

NB

PB

NA

PA

GND

VDD

NZ

PZ

ERR

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