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Specifications
Voltage - Supply:
4.5V~5.5V
Mfr. Part #:
AS5261-HMFP
Package:
MLP-16(6x6)
Key Attributes
Model Number:
AS5261-HMFP
Product Description
Product Overview
The AS5261 is a 12-bit automotive angle position sensor designed for accurate 360 contactless angular measurement. It integrates Hall elements, analog front-end, digital signal processing, and automotive protection features on a single chip. Requiring only a simple two-pole magnet, it provides instant absolute angle indication with high resolution. The output is available via a 12-bit PWM signal. The device operates at 5V with overvoltage and reverse polarity protection.
Product Attributes
- Brand: ams
- Certifications: AEC-Q100-004 (Input current), AEC-Q100-002 (ESD)
- Material: CMOS process
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Units | Notes |
| Resolution | PWM Output Range > 90 | 12 | bit | |||
| Integral Non-linearity (optimum) | Best aligned reference magnet at 25C over full turn 360 | 0.5 | deg | |||
| Integral Non-linearity (optimum) | Best aligned reference magnet over temperature -40 -150 over full turn 360 | 0.9 | deg | |||
| Integral Non-linearity | Best aligned reference magnet over temperature -40 -150 over full turn 360 and displacement | 1.4 | deg | |||
| Output Noise | At 14 bit angular information, 360 mode. Internal Filter disabled. | 5 | LSB | |||
| Output Noise | At 14 bit angular information, 360 mode. Filter setting 1. | 3 | LSB | |||
| Output Noise | At 14 bit angular information, 360 mode. Filter setting 2. | 2 | LSB | |||
| Output Noise | At 14 bit angular information, 360 mode. Filter setting 3. Jitter free. | 0.5 | LSB | |||
| Power-up time | 0-5V Power up time 5V operation. Default Power up. | 10 | ms | |||
| System propagation delay | absolute output: delay of ADC, DSP and absolute interface | 300 | s | |||
| Watchdog error detection time | 12 | ms | ||||
| Supply voltage (VDD) | 4.5 | 5.0 | 5.5 | V | 5V operation | |
| Supply current (Isupp) | Only for one die. Must be multiplied by 2 | 10 | mA | |||
| Ambient temperature | -40 | 150 | C | -40F to 302F | ||
| Magnetic input field amplitude (Bpk) | Required vertical component of the magnetic field strength on the dies surface, measured along a concentric circle with a radius of 1.25 mm | 30 | 70 | mT | ||
| Magnetic input field amplitude (Bpkext) | Required vertical component of the magnetic field strength on the dies surface, measured along a concentric circle with a radius of 1.25 mm. Increased sensor output noise. | 10 | 90 | mT | default setting | |
| Magnetic offset (Boff) | Constant magnetic stray field | 5 | mT | |||
| Displacement radius (Disp) | Offset between defined device center and magnet axis. Dependent on the selected magnet. Including Eccentricity | 1 | mm | |||
| DC supply voltage (VDD) | Overvoltage | -20 | 20 | V | No operation | |
| Output voltage (VOUT) | -0.3 | 20 | V | Permanent | ||
| DC supply voltage (VDD3V3) | -0.3 | 5 | V | |||
| Input current (Iscr) | Latchup immunity | -100 | 100 | mA | Norm: AEC-Q100-004 | |
| Electrostatic discharge (ESD) | 2 | kV | Norm: AEC-Q100-002 | |||
| Storage temperature (TStrg) | -55 | 150 | C | Min -67F; Max 257F | ||
| Body temperature (TBody) | 260 | C | Reflow peak soldering temperature | |||
| Relative humidity non-condensing (RHNC) | 5 | 85 | % | |||
| Moisture Sensitivity Level (MSL) | 3 | Max floor life 168h |
2411220231_AMS-AS5261-HMFP_C2153615.pdf
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