Si720x Switch/Latch Hall Effect Magnetic
Position Sensor Data Sheet
The Si7201/2/3/4/5/6 family of Hall effect magnetic sensors
switches and latches from Silicon Labs combines a chopper-stabilized Hall element with a low-noise analog amplifier, 13-bit analogto-digital converter, and a flexible comparator circuit. Leveraging
Silicon Labs' proven CMOS design techniques, the Si720x family
incorporates digital signal processing to provide precise compensation for temperature and offset drift.
FEATURES
• High-Sensitivity Hall Effect Sensor
• Maximum BOP operating point/minimum
field strength of 2 V
TAMPERb pin IOL = 2 mA
VDD > 1.71 V
TAMPERb pin IOL = 6 mA
VDD > 2 V
Output Voltage High
VOH
TAMPERb pin
VDD – 0.4
V
IOH = 2 mA
VDD > 2.25 V
silabs.com | Building a more connected world.
Rev. 1.4 | 3
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Electrical Specifications
Parameter
Current Consumption
Symbol
IDD
Average power depends on the
sample rate and percent of time
spent sampling versus sleep mode
or idle mode. See the ordering
guide for average power calculations for specific devices.
Test Condition
Sleep timer enabled average at
VDD = 3.3 V and 200 msec sleep
time
Min
Typ
Max
Unit
0.4
μA
50
nA
Sleep mode
VDD = 3.3 V, T = 25 °C
VDD = 3.3 V, T = 70 °C
1000
VDD = 5.5 V, T = 125 °C
5000
nA
nA
Conversion in progress
mA
VDD = 1.8V
3.5
5.5
VDD = 3.3 V
5
6
6.8
8.0
6.5
8.5
mA
0.6
1
mA
0.9
1.2
mA
VDD = 5.5 V
Conversion in progress high voltage parts
VDD = 3.3 to 26.5 V
Idle mode low voltage parts
VDD = 1.71 to 5.5 V
Idle mode high voltage parts
VDD = 3.3 to 26.5 V
Conversion Time
Sample Rate
Wake Up Time
TCONV
FSAMPLE
TWAKE
First conversion when waking from
sleep or idle
11
µs
Additional conversions in a burst
8.8
µs
Parts can be configured for sleep
or idle between samples. Sleep is
lower power, but the fastest sampling rate is 8 kHz. Idle allows sampling rate to be configured to be as
high as 113 kHz. See the ordering
guide for details.
Time from VDD > 1.71 V to first
measurement
-
1
msec
Note:
1. TAMPERb and DIS pin specifications apply when the pin is present (Si7203/4).
2. Idle time can be factory programmed from 13.2 μsec to 206 msec ±10% or set to zero in which case conversions are done every
8.8 μsec. Normally idle time is only used at higher sample speeds.
3. For high voltage parts (VDD = 26.5 V maximum), the power on ramp should be faster than 10 V per second in the start-up region
from 2 to 3 V.
silabs.com | Building a more connected world.
Rev. 1.4 | 4
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Electrical Specifications
Table 1.3. Output Pin Specifications
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
0.4
V
0.2
V
0.6
V
1
µA
Si7201/2/3/4
Output Voltage Low
VOL
Open Drain or Push Pull
IOL = 3 mA
VDD > 2 V
IOL = 2 mA
VDD > 1.71V
IOL = 6 mA
VDD > 2 V
Leakage
IOH
Output High
Output Pin Open Drain
Output Voltage High
VOH
Output Pin Push Pull
Slew Rate
IOH = 2 mA
VDD – 0.4
V
VDD > 2.25 V
TSLEW
5
%VDD/ns
Si7205/6
Output Voltage Low
VOL
IOL = 11.4 mA
0.4
V
20
mA
1
µA
VDD > 6 V
Safe Continuous Sink Current
Leakage
IOH
Output High
Output Pin Open Drain
Slew Rate
TSLEW
5
%VDD/ns
4
mA
Digital Output Mode
Output Pin Shorted to VDD
ISHORT
VDD = 12 V
Average current as pin cycles
silabs.com | Building a more connected world.
Rev. 1.4 | 5
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Electrical Specifications
The Si7205 and Si7206 can be configured to signal the status equivalent to output high or low by modulating the power supply current.
If configured in this way, the following are the specifications for the amount of current that will be drawn for the “output high” state.
Table 1.4. IDD Signaling
Parameter
IDD Signaling Current
Symbol
IDO
Test Condition
Min
Typ
Max
Unit
8
10
12
mA
Min
Typ
Max
Unit
±150
±250
µT
±250
+450,
-350
µT
0-70°C
5
%
Full temperature range
10
%
VDDH > 6 V
Table 1.5. Magnetic Sensor1
Parameter
Offset
Symbol
BOFF
Test Condition
20 mT scale
VDD = 1.71 to 3.6 V
0-70°C
20 mT scale
VDD = 1.71 to 5.5 V
Full temperature range
Gain Accuracy
Room temp, 20 mT range, VDD = 5
V
RMS Noise2
30
µT rms
Note:
1. See the Magnetic Sensors Selector Guide for operating release points. These are defined as maximum operating point and minimum release point over the operating temperature range and do not include the effect of noise.
2. For a single conversion. This can be reduced by the square root of N by filtering over N samples. See ordering guide for samples
taken per measurement.
Table 1.6. Temperature Compensation
Parameter
Symbol
Bop and Brp vs Temperature
Test Condition
Flat Tempco.
Min
Typ
Max
Unit
< ±0.05
%/°C
Neodymium compensation
-0.12
%/°C
Ceramic compensation
-0.2
%/°C
0-70°C
silabs.com | Building a more connected world.
Rev. 1.4 | 6
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Electrical Specifications
Table 1.7. Thermal Characteristics
Parameter
Symbol
Test Condition
Value
Unit
Junction to Air Thermal Resistance
θJA
JEDEC 4 layer board no airflow SOT23-5
212.8
°C/W
Junction to Board Thermal Resistance
θJB
JEDEC 4 layer board no airflow SOT23-5
45
°C/W
Junction to Air Thermal Resistance
θJA
JEDEC 4 layer board no airflow SOT23-3
254.6
°C/W
Junction to Board Thermal Resistance
θJB
JEDEC 4 layer board no airflow SOT23-3
54.8
°C/W
Table 1.8. Absolute Maximum Ratings1
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Ambient Temperature Under Bias
-55
125
°C
Storage Temperature
-65
150
°C
Voltage on I/O Pins
-0.3
VDD+0.3
V
Voltage on VDD with Respect to
Ground
-0.3
6
V
HBM
2
kV
CDM
500
V
Si7201/2/3/4
ESD Tolerance
Si7205/6
Voltage on Ouput pin2
-21
40
V
Voltage on VDD with Respect to
Ground3
-21
40
V
HBM
8
kV
CDM
500
V
ESD Tolerance
Notes:
1. Absolute maximum ratings are stress ratings only, operation at or beyond these conditions is not implied and may shorten the life
of the device or alter its performance.
2. The output pin can withstand EMC transients per ISO 7637-2-2-11 and Ford EMC-CS-2009.1 with a current limiting resistor of
220 Ω to a local bypass cap of 0.1 μF and additional 22 Ω between the capacitor and ground..
3. VDD can withstand automotive EMC transients per ISO 7637-2-2-11 and Ford EMC-CS-2009.1 with a current limiting resistor of
220 Ω.
silabs.com | Building a more connected world.
Rev. 1.4 | 7
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Functional Description
2. Functional Description
The Si7201/2/3/4/5/6 family of Hall Effect magnetic sensors digitize the component of the magnetic field in the z axis of the device (positive field is defined as pointing into the device from the bottom). The digitized field is compared to a pre-programmed threshold and the
output pin goes high or low if the threshold is crossed. The parts are normally used to detect the presence or absence of a magnet in
security systems, as position sensors or for counting revolutions.
Table 2.1. Part Ordering Guide
Part Number
Description
Si7201
Low voltage switches
Si7202
Low voltage latches
Si7203
Low voltage switch with tamper and/or disable pins
Si7204
Low voltage latches with tamper and/or disable pins
Si7205
High voltage switches
Si7206
High voltage latches
The output pin (push pull or open collector) can go high or low when the magnetic field crosses a threshold. The output pin configuration is determined by the type of part ordered.
The parts are preconfigured for the magnetic field measurement range, magnetic field operate and release points, sleep time, temperature compensation, tamper threshold and digital filtering and will wake into this mode when first powered. The specific configuration
output type (open collector or push pull) are determined by the part number. See Magnetic Sensors Selector Guide for details.
Examples:
VOUT
VOH
VOL
Brp
Bop
BTAMPER
Figure 2.1. Unipolar Switch with Tamper
silabs.com | Building a more connected world.
Rev. 1.4 | 8
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Functional Description
VOUT
VOH
VOL
B
BTAMPER
Bop
Brp
Brp
Bop
BTAMPER
Figure 2.2. Omnipolar Swith with Tamper
VOUT
VOH
VOL
B
Brp
Bop
Figure 2.3. Latch
silabs.com | Building a more connected world.
Rev. 1.4 | 9
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
DISABLE Pin Timing
3. DISABLE Pin Timing
For a part that has a DISABLE pin, DISABLE high will put the part in complete sleep mode with IDD typical of 50 nA. When DISABLE
goes low, the part will wake and initiate a measurement. For a single measurement, this takes 11 μsec typically. Additional measurements in a burst take 8.8 μsec. Once the measurement (burst) is complete, the output pin status is updated and the part enters idle
mode. The part will make a new measurement or measurement burst at the time-interval determined by the idle timer (typically 1 msec).
The idle timer is reset when DISABLE transitions from high to low, so the time from the first measurement until the next measurement
will always be the programmed idle time.
Disable low pulses can be as short as 1 μsec. For pulses shorter than a conversion burst, the part will make one burst and then go back
to sleep.
When disable returns high, a measurement in progress (if any) will complete and the part will enter sleep mode.
As the idle time is typically long (i.e. 1 msec) compared to the measurement time (i.e. 11 μsec), it is possible to keep the DISABLE pin
low duration short (i.e. 15 μsec) and have a long period in the sleep state. This is an effective way to control the sample rate and power.
For example, if the part is programmed to make a single measurement at a time and is programmed with an idle time of 1 msec and
DISABLE is pulsed low for 15 μsec every 50 msec, then the average IDD will be:
• 11 μsec to wake and make a measurement at IDD typical of 5.0 mA (3.3V)/(50.015 msec cycle time) = 1.0 μA
• 4 μsec in idle mode at typical current of 600 μA/(50.015 msec cycle time) = 0.05 μA
• 50 msec in sleep mode at 50 nA/(50.015 msec cycle time) = 0.05uA
• Or 1.1 μA total
As the programmed idle time is shorter than the DISABLE low time in the example, the value of the programmed idle time does not
make a difference.
silabs.com | Building a more connected world.
Rev. 1.4 | 10
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Pin Description
4. Pin Description
1
1
3
5
2
2
3
4
1
SOT-23, 3-Pin
Top View
SOT-23, 5-Pin
Top View
2
3
TO-92, 3-Pin
Front View
Figure 4.1. Si720xxx Pin Assignments
Note:
The 3-pin option includes part numbers: Si7201/2/5/6.
The SOT-23 5 pin option include part numbers: Si7203/4.
Table 4.1. Si7201/2/5/6 (SOT23 3-pin Package)
Pin Name
Pin Number
Description
VDD
1
Power 1.71 to 5.5 V or 3.3 to 26.5 V
OUT1
2
Switch/latch output
GND
3
Ground
Table 4.2. Si7203/4/5 (SOT23 5-pin Package Excluding Si7203-B-01-IV(R))
Pin Name
Pin Number
Description
OUT2/TAMPERb
1
OUT2/TAMPERb (tamper/high field indicator)
GND
2
Ground
DIS
3
Disables part (puts into sleep mode) when high. Measurement cycle will resume when pin goes
low
VDD
4
Power 1.71 to 5.5 V
OUT1
5
Switch/latch output
silabs.com | Building a more connected world.
Rev. 1.4 | 11
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Pin Description
Table 4.3. Si7203-B-01-IV(R) (SOT23 5-pin Package)
Pin Name
Pin Number
Description
TAMPER
1
TAMPER (tamper)
GND
2
Ground
FLOAT
3
Must be left floating for correct operation of the device
VDD
4
Power 1.71 to 5.5 V
OUT1
5
Switch output
Table 4.4. Si7201/2/5/6 (TO-92 Package)
Pin Name
Pin Number
Description
VDD
1
Power
GND
2
Ground
OUT1
3
Output
silabs.com | Building a more connected world.
Rev. 1.4 | 12
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
5. Ordering Guide
Si72 0 1
B
xx
F
V R
Silicon Labs Magnetic Sensor Family
Output Type
Feature Set Major
1, 3, 5 = Switch
2, 4, 6 = Latch
Revision
Feature Set Minor
See Selector Guide for breakdown of feature set
Temperature Grade
F = (0 to +70)
I = (-40 to +125)
Package
V = SOT23, B = TO92, M = DFN8
Tape and Reel (Optional)
Figure 5.1. Si720x Part Numbering
silabs.com | Building a more connected world.
Rev. 1.4 | 13
Bop
max
(mT)
1.1
1.1
0.9
2.8
1.4
2.0
2.0
2.0
3.4
OPN
Si7201B-00-FV
Si7201B-01-FV
silabs.com | Building a more connected world.
Si7201B-02-FV
Si7201B-03-IV
Si7201B-04-IV
Si7201B-05-IV
Si7201B-06-IV
Si7201B-07-IV
Si7201B-08-IV
1.6
0.6
0.6
0.6
0.2
1.1
0.2
0.2
0.2
Brp min
(mT)
2.7
1.6
1.6
1.6
1.0
2.2
0.6
0.8
0.8
Bop
Typ
(mT)
2.1
1.0
1.0
1.0
0.6
1.6
0.4
0.4
0.4
Brp Typ
(mT)
0.6
0.6
0.6
0.6
0.4
0.6
0.2
0.4
0.4
Hyst
(mT)
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Type
Low
(OpenDrain)
Low
(Open
Drain)
Low
(Open
Drain)
Low
(PushPull)
Low
(PushPull)
High
(PushPull)
High
(PushPull)
Low
(PushPull)
Low
(PushPull)
Output
type
20
20
20
20
20
20
20
20
20
Full
Scale
(mT)
1000
5
5
5
5
1000
5
5
5
56.7
0.4
0.4
0.4
0.4
56.7
1.1
0.4
0.4
Sample Typical
freIdd (uA)
quency
(Hz)
Table 5.1. Switch Product Selection Guide
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-3.6
1.7-3.6
1.7-3.6
Vdd
Range
(V)
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
0 - 70°
0 - 70°
0 - 70°
Temperature
(°C)
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
Package
—
19.8
—
19.8
—
—
19.8
19.8
—
Tamper
detection
(mT)
—
—
—
—
—
—
0.12%
—
—
—
—
—
—
—
—
4 sample FIR
—
—
TemDigital
pera- filtering
ture
compensation (%
per °C)
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Rev. 1.4 | 14
Bop
max
(mT)
2.3
3.7
2.8
3.7
4.9
4.9
4.9
7.0
7.0
7.0
OPN
Si7201B-09-IB
SI7201B-10-IV
Si7201B-11-IB
silabs.com | Building a more connected world.
SI7201B-12-IV
SI7201B-20-IV
SI7201B-21-IV
SI7201B-22-IV
SI7201B-30-IV
SI7201B-31-IV
SI7201B-32-IV
4.1
4.1
4.1
2.3
2.3
2.3
1.5
1.1
1.5
0.8
Brp min
(mT)
6.0
6.0
6.0
4.0
4.0
4.0
3.0
2.2
3.0
1.6
Bop
Typ
(mT)
5.0
5.0
5.0
3.0
3.0
3.0
2.0
1.6
2.0
1.2
Brp Typ
(mT)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.6
1.0
0.4
Hyst
(mT)
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Type
Low
(Open
Drain)
Low
(Open
Drain)
Low
(Open
Drain)
Low
(Open
Drain)
Low
(Open
Drain)
Low
(Open
Drain)
Low
(Open
Drain)
High
(pushpull)
Low
(Open
Drain)
Low
(pushpull)
Output
type
20
20
20
20
20
20
20
20
20
20
Full
Scale
(mT)
20
13.3
5
20
13.3
5
20
8000
5
20
1.2
0.9
0.4
1.2
0.9
0.4
1.2
420.7
0.4
1.2
Sample Typical
freIdd (uA)
quency
(Hz)
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
Vdd
Range
(V)
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
Temperature
(°C)
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
TO92
SOT233
TO92
Package
—
—
—
—
—
—
—
—
—
—
Tamper
detection
(mT)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
TemDigital
pera- filtering
ture
compensation (%
per °C)
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Rev. 1.4 | 15
Bop
max
(mT)
15.0
15.0
3.4
3.4
3.4
3.7
3.7
3.7
3.7
3.7
OPN
SI7201B-40-IV
SI7201B-41-IV
Si7201B-80-FV
silabs.com | Building a more connected world.
Si7201B-81-FV
Si7201B-82-FV
Si7201B-83-IV
Si7201B-84-IV
Si7201B-85-IV
Si7201B-86-IV
Si7201B-87-IV
1.4
1.4
1.4
1.4
1.4
1.7
1.7
1.7
9.6
9.6
Brp min
(mT)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
13.2
13.2
Bop
Typ
(mT)
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
11.2
11.2
Brp Typ
(mT)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
Hyst
(mT)
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Omnipolar
switch
Type
Low
(Opendrain)
Low
(Opendrain)
Low
(PushPull)
Low
(PushPull)
High
(PushPull)
High
(PushPull)
Low
(PushPull)
Low
(PushPull)
Low
(Open
Drain)
Low
(Open
Drain)
Output
type
20
20
20
20
20
20
20
20
20
20
Full
Scale
(mT)
5
5
5
5
1000
5
5
5
13.3
5
0.4
0.4
0.4
0.4
56.7
1.1
0.4
0.4
0.9
0.4
Sample Typical
freIdd (uA)
quency
(Hz)
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-5.5
1.7-3.6
1.7-3.6
1.7-3.6
1.7-5.5
1.7-5.5
Vdd
Range
(V)
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
0 - 70°
0 - 70°
0 - 70°
-40 125°
-40 125°
Temperature
(°C)
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
SOT233
Package
19.84
—
19.84
—
—
19.84
19.84
—
—
—
Tamper
detection
(mT)
—
—
—
—
—
0.12%
—
—
—
—
—
—
—
—
—
4 sample FIR
—
—
—
—
TemDigital
pera- filtering
ture
compensation (%
per °C)
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Rev. 1.4 | 16
silabs.com | Building a more connected world.
1.1
3.0
Si7203B-00-FV
Si7205B-00-IV*
*Note: End of life.
Bop
max
(mT)
OPN
0.8
0.2
Brp min
(mT)
2.2
0.8
Bop
Typ
(mT)
1.6
0.4
Brp Typ
(mT)
0.6
0.4
Hyst
(mT)
Omnipolar
switch
Omnipolar
switch
Type
Low
(Open
Drain)
High
(Open
Drain)
Output
type
20
20
Full
Scale
(mT)
1000
1000
950
412
Sample Typical
freIdd (uA)
quency
(Hz)
3.3-26.5
1.7-3.6
Vdd
Range
(V)
-40 125°
0 - 70°
Temperature
(°C)
SOT233
SOT235
Package
—
19.8
Tamper
detection
(mT)
—
—
—
—
TemDigital
pera- filtering
ture
compensation (%
per °C)
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Rev. 1.4 | 17
silabs.com | Building a more connected world.
-1.0
-1.0
-5.1
-1.0
Si7202B-00-FV
Si7202B-01-IB
Si7202B-01-IV
Si7202B-02-IV
Si7202B-04-IB
*Note: End of life.
-1.0
-0.4
OPN
Si7206B-00-IV*
Brp Typ
[mT]
1.0
1.0
5.1
1.0
1.0
0.4
Bop
Typ
[mT]
-1.5
-1.5
-6.1
-1.5
-1.5
-0.7
Brp min
[mT]
-0.5
-0.5
-4.3
-0.5
-0.5
-0.1
Brp
max
[mT]
0.5
0.5
4.3
0.5
0.5
0.1
Bop
min
[mT]
1.5
1.5
6.1
1.5
1.5
0.7
Bop
max
[mT]
1.9
1.9
10.2
1.9
1.9
0.8
Hyst
(mT)
Latch
Latch
Latch
Latch
Latch
Latch
Type
Open
Drain
Push
Pull
Push
Pull
Push
Pull
Push
Pull
Push
Pull
Output
Type
Low
Low
High
Low
Low
High
Output
(+ field)
Table 5.2. 3-pin Latch Product Selection Guide
1000
5
5
5
5
5
Samples
Freq
(Hz)
950
0.4
0.4
0.4
0.4
0.4
Idd Typ
3.3
1.7
1.7
1.7
1.7
1.7
Vdd
min
26.5
5.5
5.5
5.5
5.5
3.6
Vdd
max
-40 125°
-40 125°
-40 125°
-40 125°
-40 125°
0 - 70°
Temp
Range
SOT233
TO92
SOT233
SOT233
TO92
SOT233
Package
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Rev. 1.4 | 18
Brp
Typ
[mT]
-0.9
OPN
Si7204
- B-00FV
0.9
Bop
Typ
[mT]
-1.2
Brp
min
[mT]
-0.6
Brp
max
[mT]
0.6
Bop
min
[mT]
1.2
Bop
max
[mT]
1.8
Hyst
(mT)
No
Connect
Pin 1
Disable
Pin 3
Idle
Idle/
Sleep
Mode
Latch
Type
High
Output
(+
field)
Table 5.3. 5-pin Latch Product Selection Guide
1000
Samples
Freq
(Hz)
-
Idd
Typ
1.7
Vdd
min
3.6
Vdd
max
0 - 70°
Temp
Range
SOT23
-5
Package
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
silabs.com | Building a more connected world.
Rev. 1.4 | 19
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Ordering Guide
Additional Information
For information on the below specifications of each OPN please refer to the Magnetic Sensors Selector Guide:
•
•
•
•
Current Consumption
Amount of digital filtering applied to the samples
Time between measurements
Temperature compensation
A temperature compensation can be applied to the field data to adjust for the variation in field with temperature for common magnet
types.
Note: North pole of a magnet at the bottom of a SOT23 package, top of a DFN 8 package(coming soon) or front of a TO92 package is
defined as positive field.
silabs.com | Building a more connected world.
Rev. 1.4 | 20
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Package Outline
6. Package Outline
6.1 SOT23 3-Pin Package
silabs.com | Building a more connected world.
Rev. 1.4 | 21
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Package Outline
Table 6.1. SOT23 3-Pin Package Dimensions
Dimension
Min
Max
A
--
1.25
A1
0.00
0.10
A2
0.85
1.15
b
0.30
0.50
c
0.10
0.20
D
2.90 BSC
E
2.75 BSC
E1
1.60 BSC
e
0.95 BSC
e1
1.90 BSC
L
0.30
0.60
θ
0°
8°
aaa
0.15
bbb
0.20
ccc
0.10
ddd
0.20
Note:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to the JEDEC Solid State Outline MO-193, Variation AB.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020D specification for Small Body Components.
silabs.com | Building a more connected world.
Rev. 1.4 | 22
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Package Outline
6.2 SOT23-5 5-Pin Package
silabs.com | Building a more connected world.
Rev. 1.4 | 23
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Package Outline
Table 6.2. SOT23-5 5-Pin Package Dimensions
Dimension
Min
Max
A
--
1.25
A1
0.00
0.10
A2
0.85
1.15
b
0.30
0.50
c
0.10
0.20
D
2.90 BSC
E
2.75 BSC
E1
1.60 BSC
e
0.95 BSC
e1
1.90 BSC
L
0.30
L2
θ
0.60
0.25 BSC
0°
8°
aaa
0.15
bbb
0.20
ccc
0.10
ddd
0.20
Note:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to the JEDEC Solid State Outline MO-193, Variation AB.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020D specification for Small Body Components.
silabs.com | Building a more connected world.
Rev. 1.4 | 24
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Package Outline
6.3 TO92S 3-Pin Package
Table 6.3. TO92S 3-Pin Package Dimensions
Dimension
Min
Max
A
1.42
1.62
A1
0.66
0.86
b
0.33
0.48
b1
0.40
0.51
b2
0
0.76
c
0.33
0.51
D
3.90
4.10
D1
2.28
2.68
E
3.05
3.25
e
1.27 TYP
e1
2.44
2.46
L
15.10
15.50
θ
45° TYP
Notes:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
silabs.com | Building a more connected world.
Rev. 1.4 | 25
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Land Patterns
7. Land Patterns
7.1 SOT23 3-Pin PCB Land Pattern
Dimension
(mm)
C
2.70
E
0.95
X
1.05
Y
0.60
silabs.com | Building a more connected world.
Rev. 1.4 | 26
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Land Patterns
7.2 SOT23-5 5-Pin PCB Land Pattern
Dimension
(mm)
C
2.70
E
0.95
X
1.05
Y
0.60
Note:
General
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing is per the ANSI Y14.5M-1994 specification.
3. This Land Pattern Design is based on the IPC-7351 guidelines.
4. All dimensions shown are at Maximum Material Condition (MMC). Least Material Condition (LMC) is calculated based on a Fabrication Allowance of 0.05 mm.
Card Assembly
1. A No-Clean, Type-3 solder paste is recommended.
2. The recommended card reflow profile is per the JEDEC/IPC J-STD-020D specification for Small Body Components.
silabs.com | Building a more connected world.
Rev. 1.4 | 27
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Top Marking
8. Top Marking
8.1 SOT23 3-Pin Top Marking
Note: TTTT is a manufacturing code.
silabs.com | Building a more connected world.
Rev. 1.4 | 28
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Top Marking
8.2 SOT23-5 5-Pin Top Marking
Note: TTTT is a manufacturing code.
8.3 TO92 Top Marking
Note: TTTT is a manufacturing code. PPPP is 72xx.
silabs.com | Building a more connected world.
Rev. 1.4 | 29
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Revision History
9. Revision History
Revision 1.4
May, 2020
• Added EOL note for Si7205/06 in the Ordering Guide (200324717 End of Life Notification for High Voltage Si72xx Devices).
Revision 1.3
October, 2019
• Updated Chapter 5. Ordering Guide with newly released part numbers.
• Si7203-B-01-IV
• Added specific pinout for newly release Si7203-B-01-IV
Revision 1.2
July, 2019
• Updated Chapter 5. Ordering Guide with newly released part numbers.
• Si7201-B-1x
• Si7201-B-2x
• Si7201-B-3x
• Si7201-B-4x
• Si7201-B-8x
• Si7201-B-9x
• Updated wording on frontpage to clarify package types and switch vs latch
Revision 1.1
March, 2019
• Removed all mention of AEC-Q100 qualification in product description and feature list.
Revision 1.0
July 2018
• Updated power numbers to be consistent with production test limits.
• Added more detailed part characteristics to the ordering guide.
• Updated detailed description to be clearer and more accurate.
Revision 0.92
October 4, 2017
• Added new part number to Chapter 5. Ordering Guide (Si7202-B-01-IV(R).
Revision 0.91
August 7, 2017
• Added new part number to Chapter 5. Ordering Guide (Si7201-B-08-IV(R).
Revision 0.9
June 30, 2017
• Updated Chapter 1. Electrical Specifications .
• Updated Chapter 5. Ordering Guide.
• Minor typo corrections.
silabs.com | Building a more connected world.
Rev. 1.4 | 30
Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
Revision History
Revision 0.1
February 1, 2016
• Initial release.
silabs.com | Building a more connected world.
Rev. 1.4 | 31
Smart.
Connected.
Energy-Friendly.
Products
Quality
Support and Community
www.silabs.com/products
www.silabs.com/quality
community.silabs.com
Disclaimer
Silicon Labs intends to provide customers with the latest, accurate, and in-depth documentation of all peripherals and modules available for system and software implementers using or
intending to use the Silicon Labs products. Characterization data, available modules and peripherals, memory sizes and memory addresses refer to each specific device, and "Typical"
parameters provided can and do vary in different applications. Application examples described herein are for illustrative purposes only. Silicon Labs reserves the right to make changes without
further notice to the product information, specifications, and descriptions herein, and does not give warranties as to the accuracy or completeness of the included information. Without prior
notification, Silicon Labs may update product firmware during the manufacturing process for security or reliability reasons. Such changes will not alter the specifications or the performance
of the product. Silicon Labs shall have no liability for the consequences of use of the information supplied in this document. This document does not imply or expressly grant any license
to design or fabricate any integrated circuits. The products are not designed or authorized to be used within any FDA Class III devices, applications for which FDA premarket approval is
required, or Life Support Systems without the specific written consent of Silicon Labs. A "Life Support System" is any product or system intended to support or sustain life and/or health,
which, if it fails, can be reasonably expected to result in significant personal injury or death. Silicon Labs products are not designed or authorized for military applications. Silicon Labs
products shall under no circumstances be used in weapons of mass destruction including (but not limited to) nuclear, biological or chemical weapons, or missiles capable of delivering
such weapons. Silicon Labs disclaims all express and implied warranties and shall not be responsible or liable for any injuries or damages related to use of a Silicon Labs product in such
unauthorized applications.
Trademark Information
Silicon Laboratories Inc.®, Silicon Laboratories®, Silicon Labs®, SiLabs® and the Silicon Labs logo®, Bluegiga®, Bluegiga Logo®, ClockBuilder®, CMEMS®, DSPLL®, EFM®, EFM32®,
EFR, Ember®, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZRadio®, EZRadioPRO®, Gecko®,
Gecko OS, Gecko OS Studio, ISOmodem®, Precision32®, ProSLIC®, Simplicity Studio®, SiPHY®, Telegesis, the Telegesis Logo®, USBXpress® , Zentri, the Zentri logo and Zentri DMS, ZWave®, and others are trademarks or registered trademarks of Silicon Labs. ARM, CORTEX, Cortex-M3 and THUMB are trademarks or registered trademarks of ARM Holdings. Keil is a
registered trademark of ARM Limited. Wi-Fi is a registered trademark of the Wi-Fi Alliance. All other products or brand names mentioned herein are trademarks of their respective holders.
Silicon Laboratories Inc.
400 West Cesar Chavez
Austin, TX 78701
USA
http://www.silabs.com
工商网监
湘ICP备2023018690号
