iC-NQC
preliminar y
Rev D1, 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