Figure 3: Pin Assignment (Top …

AS5045-ASST

Position Sensors - Angle, Linear Position Measuring16-pin SSOP

AS5045-ASST

AS5045-ASST is a 12-bit programmable magnetic rotary position sensor in SSOP-16 package, operating at 3.0V to 5.5V, featuring absolute angle measurement, PWM output, and serial interface for industrial applications.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

23 items

Parameter	Value and test conditions	Source
Package	16-pin SSOP (5.3mm x 6.2mm)
Ambient temperature	Min -40 °C, Max 125 °C
RoHS	RoHS Compliant
ams Green (no Sb/Br/Cl)	Free of Bromine (Br) and Antimony (Sb) based flame retardants and Chlorine (Cl)
Supply voltage at pin VDD5V (5V operation)	Min 4.5 V, Typ 5.0 V, Max 5.5 V
Supply voltage at pin VDD5V (3.3V operation)	Min 3.0 V, Typ 3.3 V, Max 3.6 V
DC supply voltage at pin VDD5V (Absolute Maximum)	Min -0.3 V, Max 7 V
DC supply voltage at pin VDD3V3 (Absolute Maximum)	Max 5 V
Storage temperature	Min -55 °C, Max 150 °C
Supply current	Typ 16 mA, Max 21 mA
Resolution	0.0879° (4096 positions per revolution)
Magnetic input field amplitude	Min 45 mT, Max 75 mT
Recommended magnet diameter	Min 4 mm, Typ 6 mm
Recommended magnet thickness	Typ 2.5 mm
PWM Output Frequency	approx. 244Hz (1μs/step), optional 122Hz (2μs/step)
Input frequency (fast mode)	Max 2.44 Hz (146 rpm @ 4096 positions/rev.)
Input frequency (slow mode)	Max 0.61 Hz (36.6 rpm @ 4096 positions/rev.)
Electrostatic discharge	±2 kV (JESD22-A114E)
Moisture sensitivity level (MSL)	3 (168h floor life)
Output noise (slow mode)	0.03° rms
Output noise (fast mode)	0.06° rms
Output delay (slow mode)	384 μs
Output delay (fast mode)	96 μs

Pinout and package

Pin	Name	Function	Source
1		MagINCn: Magnet Field Magnitude INCrease, active low, open drain output
2		MagDECn: Magnet Field Magnitude DECrease, active low, open drain output
3		NC: Internal use, must be left unconnected
4		NC: Internal use, must be left unconnected
5		NC: Internal use, must be left unconnected
6		Mode: Select between slow (low) and fast (high) mode, internal pull-down
7		VSS: Negative Supply Voltage (GND)
8		Prog_DI: OTP Programming Input and Data Input for Daisy Chain mode, internal pull-down
9		DO: Data Output of Synchronous Serial Interface, tri-state
10		CLK: Clock Input of Synchronous Serial Interface, Schmitt-Trigger input
11		CSn: Chip Select, active low, Schmitt-Trigger input, internal pull-up
12		PWM: Pulse Width Modulation output, approx. 244Hz
13		NC: Internal use, must be left unconnected
14		NC: Internal use, must be left unconnected
15		VDD3V3: 3V-Regulator Output, internally regulated from VDD5V, do not load externally
16		VDD5V: Positive Supply Voltage, 3.0 to 5.5 V

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