HAL805 UT-A

HAL805 UT-A Datasheet

HAL805 Programmable Linear Hall Effect Sensor

Part	Datasheet
HAL805 UT-A	HAL805 UT-A (pdf)

Related Parts	Information
HAL805 UT-K	HAL805 UT-K

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MICRONAS PRELIMINARY DATA SHEET HAL805 Programmable Linear Hall Effect Sensor Edition Feb. 2, 2000 6251-513-1PD MICRONAS HAL 805 PRELIMINARY DATA SHEET Contents Section Introduction Major Applications Features Marking Code Operating Junction Temperature Range TJ Hall Sensor Package Codes Solderability Pin Connections and Short Descriptions Functional Description General Function Digital Signal Processing and EEPROM Calibration Procedure General Procedure Calibration of the Angle Sensor Specifications Outline Dimensions Dimensions of Sensitive Area Position of Sensitive Area Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Magnetic Characteristics Open Circuit Detection Typical Characteristics Application Notes Application Circuit Use of two HAL 805 in Parallel Temperature Compensation Undervoltage Behavior Ambient Temperature EMC and ESD Programming of the Sensor Definition of Programming Pulses Definition of the Telegram Telegram Codes Number Formats Register Information Programming Information Data Sheet History Hall sensors are available in a wide variety of packaging versions and quantities. For more detailed information, please refer to the brochure “Ordering Codes for Hall Sensors”. Solderability Package TO-92UT according to IEC68-2-58 During soldering reflow processing and manual reworking, a component body temperature of 260 °C should not be exceeded. Components stored in the original packaging should provide a shelf life of at least 12 months, starting from the date code printed on the package labels, even in environments as extreme as 40 °C and 90% relative humidity. Pin Connections and Short Descriptions Pin Name Type Short Description Supply Voltage and Programming Pin Ground OUT Push Pull Output and Selection Pin 1 VDD OUT 3 2 GND Fig. Pin configuration Micronas PRELIMINARY DATA SHEET HAL 805 Functional Description General Function The HAL 805 is a monolithic integrated circuit which provides an output voltage proportional to the magnetic flux through the Hall plate and proportional to the supply voltage ratiometric behavior . The external magnetic field component perpendicular to the branded side of the package generates a Hall voltage. The Hall IC is sensitive to magnetic north and south polarity. This voltage is converted to a digital value, processed in the Digital Signal Processing Unit DSP according to the settings of the EEPROM registers, converted to an analog voltage with ratiometric behavior, and stabilized by a push-pull output transistor stage. The function and the parameters for the DSP are explained in Section on page The setting of the LOCK register disables the programming of the EEPROM memory for all time. This register cannot be reset. As long as the LOCK register is not set, the output characteristic can be adjusted by programming the EEPROM registers. The IC is addressed by modulating the supply voltage see Fig. In the supply voltage range from V up to V, the sensor generates an analog output voltage. After detecting a command, the sensor reads or writes the memory and answers with a digital signal on the output pin. The analog output is switched off during the communication. Several sensors in parallel to the same supply and ground line can be programmed individually. The selection of each sensor is done via its output pin. VDD V VOUT V digital analog Fig. Programming with VDD modulation Internally stabilized Supply and Protection Devices Temperature Dependent Bias Oscillator Open Circuit Detection Protection Devices Switched Hall Plate A/D Converter Digital Signal Processing D/A Converter Analog Output 100 Ω

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MICRONAS

PRELIMINARY DATA SHEET

HAL805 Programmable Linear Hall Effect Sensor

Edition Feb. 2, 2000 6251-513-1PD

MICRONAS

HAL 805

PRELIMINARY DATA SHEET

Contents

Section

Introduction Major Applications Features Marking Code Operating Junction Temperature Range TJ Hall Sensor Package Codes Solderability Pin Connections and Short Descriptions

Functional Description

General Function

Digital Signal Processing and EEPROM

Calibration Procedure

General Procedure

Calibration of the Angle Sensor

Specifications

Outline Dimensions

Dimensions of Sensitive Area

Position of Sensitive Area

Absolute Maximum Ratings

Recommended Operating Conditions

Electrical Characteristics

Magnetic Characteristics

Open Circuit Detection

Typical Characteristics

Application Notes

Application Circuit

Use of two HAL 805 in Parallel

Temperature Compensation

Undervoltage Behavior

Ambient Temperature

EMC and ESD

Programming of the Sensor

Definition of Programming Pulses

Definition of the Telegram

Telegram Codes

Number Formats

Register Information

Programming Information

Data Sheet History
Hall sensors are available in a wide variety of packaging versions and quantities. For more detailed information, please refer to the brochure “Ordering Codes for Hall Sensors”.

Solderability

Package TO-92UT according to IEC68-2-58

During soldering reflow processing and manual reworking, a component body temperature of 260 °C should not be exceeded.

Components stored in the original packaging should provide a shelf life of at least 12 months, starting from the date code printed on the package labels, even in environments as extreme as 40 °C and 90% relative humidity.

Pin Connections and Short Descriptions

Pin Name Type Short Description

Supply Voltage and

Programming Pin

Ground

OUT Push Pull Output
and Selection Pin
1 VDD

OUT 3
2 GND

Fig. Pin configuration

Micronas

PRELIMINARY DATA SHEET

HAL 805

Functional Description

General Function

The HAL 805 is a monolithic integrated circuit which provides an output voltage proportional to the magnetic flux through the Hall plate and proportional to the supply voltage ratiometric behavior .

The external magnetic field component perpendicular to the branded side of the package generates a Hall voltage. The Hall IC is sensitive to magnetic north and south polarity. This voltage is converted to a digital value, processed in the Digital Signal Processing Unit DSP according to the settings of the EEPROM registers, converted to an analog voltage with ratiometric behavior, and stabilized by a push-pull output transistor stage. The function and the parameters for the DSP are explained in Section on page

The setting of the LOCK register disables the programming of the EEPROM memory for all time. This register cannot be reset.

As long as the LOCK register is not set, the output characteristic can be adjusted by programming the EEPROM registers. The IC is addressed by modulating the supply voltage see Fig. In the supply voltage range from V up to V, the sensor generates an analog output voltage. After detecting a command, the sensor reads or writes the memory and answers with a digital signal on the output pin. The
analog output is switched off during the communication.

Several sensors in parallel to the same supply and ground line can be programmed individually. The selection of each sensor is done via its output pin.

VDD V VOUT V
digital analog

Fig. Programming with VDD modulation

Internally stabilized Supply and Protection Devices

Temperature Dependent Bias

Oscillator

Open Circuit Detection

Protection Devices

Switched Hall Plate

A/D Converter

Digital Signal Processing

D/A Converter

Analog Output
100 Ω

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Datasheet ID: HAL805UT-A 648550