IC-NQCTSSOP20 参数 Datasheet PDF下载

iC-NQC

preliminar y

Rev B1, Page 4/29

13-bit Sin/D CONVERTER WITH SIGNAL CALIBRATION

PACKAGES TSSOP20 (according to JEDEC Standard)

PIN CONFIGURATION

TSSOP20 4.4 mm, lead pitch 0.65 mm

PIN FUNCTIONS

No. Name Function

Input Cosine +

Input Cosine -

+5 V Supply Voltage (analog)

Ground (analog)

Reference Voltage Output

Incremental Output A

Analog signal COS+ (TMA mode)

PWM signal for Offset Sine (calib.)

7 B

Incremental Output B

Analog signal COS- (TMA mode)

PWM signal for Offset Cosine (calib.)

8 Z

Incremental Output Z

PWM signal for Phase/Ratio (calib.)

9 GND

Ground

10 VDD

+5 V Supply Voltage (digital)

11 SLI

I/O Interface, data input*

12 MA

I/O Interface, clock line

13 SLO

I/O Interface, data output

14 SDA

EEPROM interface, data line

Analog signal SIN+ (TMA mode)

15 SCL

EEPROM interface, clock line

Analog signal SIN- (TMA mode)

16 NERR Error Input/Output, active low

17 PZERO Input Zero Signal +

18 NZERO Input Zero Signal -

19 PSIN

Input Sine +

20 NSIN

Input Sine -

External connections linking VDDA to VDD and GND to GNDA are required.

*) If only a single iC-NQC is used and no chain circuitry of multiple BiSS slaves, pin SLI can remain unwired or

can be linked to ground (GND).

1

2

3

4

5

6

PCOS

NCOS

VDDA

GNDA

VREF

A