EQ0321 Datasheet, PDF (3/20 Pages) Asahi Kasei Microsystems – Programmable linear Hall IC for 1 axis

4. Block Diagram and Functions
4.1 Block Diagram
VCOM
VDD VSS
RSTN
VOLTAGE REFERENCE
HE1 HE2
HE DRIVE
CONTROL BLOCK
[EQ0321]
VOUT
CSN SCK SI
SO
Figure 1. Block diagram of the EQ0321
TSTO
4.2 Block Function
Name
HE1, HE2
CONTROL BLOCK
HE DRIVE
VOLTAGE REFERENCE
Table 1. Explanation of circuit block
Description
Hall elements
It calculates (B1-B2) / (B1+B2), adjusts gain and offset voltage, controls
HE DRIVE.
It supplies the driving voltage to Hall elements.
It generates reference voltage.
MS1436-E-00
-3-
2013/04