HMC5843 Honeywell Microelectronics & Precision Sensors, HMC5843 Datasheet - Page 7

• Manufacturer Part Number: HMC5843
• Description: Magnetic Sensor
• Manufacturer: Honeywell Microelectronics & Precision Sensors

Specifications of HMC5843

• Msl: MSL 3 - 168 Hours
• Sensitivity Range: +/- 10 %
• Sensor Terminals: PCB
• Magnetic Field Max: 4G
• Axis Configuration: Three
• Sensor Output: Digital

HMC5843
supply operation; this device is powered from AVDD; and the internal voltage regulator is enabled.
to AGND this devices operates with both AVDD and DVDD as supplies. The table below shows the modes available at
the various power supply conditions.
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DVDD
High
High
Internally
regulated
Low
AVDD
High
Low
High
Low
HMC5843
HMC5843
I
I
2
2
C SLAVE
C SLAVE
Table 2: Operational Modes and Supply States
Pin
VREN
AGND
AGND
AVDD
--
DGND
DGND
VREN
VREN
AGND
AGND
AVDD
AVDD
DVDD
DVDD
SDAP
SDAP
SCLP
SCLP
SETC
SETC
SETP
SETP
DUAL SUPPLY REFRENCE DESIGN
SCL
SCL
SDA
SDA
C1
C1
16
16
15
15
Modes
Supported
All, except
Off
Idle, Sleep
All, except
Off
Off
18
18
20
20
14
14
13
13
17
17
12
12
2
2
3
3
1
1
9
9
+
+
+2.5V NOM
+2.5V NOM
C2
C2
0.22 f
0.22 f
C1
C1
4.7 f
4.7 f
+1.8V NOM
+1.8V NOM
Description
Internal voltage regulator: Disabled.
Digital I/O pins: Range from DGND to
Device fully functional. Digital logic
Internal voltage regulator: Disabled.
Digital I/O pins: Range from DGND to
Device Measurement functionality not
Internal voltage regulator: Enabled
Digital I/O pins: Range from AGND to
Device fully functional. Digital logic
Device in off mode.
DVDD.
blocks are powered from DVDD
supply, including all on-board clocks.
DVDD.
supported. Device I
register access supported.
AVDD
blocks are powered through on-board
regulator.
VDD
VDD
I2C_CLK
I2C_CLK
I2C_DATA
I2C_DATA
VSS
VSS
I
I
HOST CPU
HOST CPU
2
2
C MASTER
C MASTER
2
C bus and
When VREN is tied
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