DATA SHEET
HAL855
Contents
Page
Section
Title
5
5
5
6
6
6
6
6
1.
Introduction
1.1.
1.2.
1.3.
1.4.
1.5.
1.6.
1.7.
Major Applications
Features
Marking Code
Operating Junction Temperature Range (TJ)
Hall Sensor Package Codes
Solderability and Welding
Pin Connections and Short Descriptions
7
2.
Functional Description
7
2.1.
2.2.
2.3.
2.3.1.
2.3.2.
General Function
9
Digital Signal Processing and EEPROM
Calibration Procedure
13
13
14
General Procedure
Example: Calibration of an Angle Sensor
16
16
20
20
20
21
21
22
24
25
26
3.
Specifications
3.1.
3.2.
3.3.
3.4.
3.4.1.
3.5.
3.6.
3.6.1.
3.7.
3.8.
Outline Dimensions
Dimensions of Sensitive Area
Position of Sensitive Areas
Absolute Maximum Ratings
Storage and Shelf Life
Recommended Operating Conditions
Characteristics
Specification of Biphase-M Output
Magnetic Characteristics
Diagnosis Functions
27
27
27
28
28
29
30
30
30
31
32
32
4.
Application Notes
4.1.
Use of Two HAL855 in Parallel Operation
Measurement of a PWM Output Signal
Measurement of a Biphase-M Output Signal
Temperature Compensation
Ambient Temperature
4.2.
4.3.
4.4.
4.5.
4.6.
EMC and ESD
4.7.
Start-Up Behavior
4.7.1.
4.7.2.
4.7.3.
4.7.4.
First Operation (Power-Up)
Operation after Reset in Biphase-M Mode with Provide Part Number Option Enabled
Power-Down Operation
Power Drop Operation
33
33
33
37
38
38
40
5.
Programming of the Sensor
Definition of Programming Telegram
Definition of the Telegram
Telegram Codes
5.1.
5.2.
5.3.
5.4.
5.5.
5.6.
Number Formats
Register Information
Programming Information
Micronas
Nov. 26, 2008; DSH000149_003EN
3
MICRONAS [ MICRONAS ]
