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Specifications
Voltage - Supply:
4.5V~5.5V
Mfr. Part #:
AS5261-HMFM
Package:
MLF-16(6x6)
Key Attributes
Model Number:
AS5261-HMFM
Product Description
Product Overview
The AS5261 is a 12-bit automotive angle position sensor designed for accurate contactless angular measurement over a full 360 turn. It integrates Hall elements, analog front end, digital signal processing, and automotive protection features onto a single chip. Requiring only a simple two-pole magnet, it provides instant absolute angle indication with a resolution of 0.022 (16384 positions per revolution). The angular output is available via a 12-bit PWM signal. The device operates at a 5V supply and features overvoltage and reverse polarity protection.
Product Attributes
- Brand: ams OSRAM
- Product Name: AS5261
- Type: 12-Bit Automotive Angle Position Sensor
- Certifications: AEC-Q100-004 (Input current), AEC-Q100-002 (ESD)
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Units | Comments |
|---|---|---|---|---|---|---|
| Electrical Characteristics | ||||||
| Supply voltage at pin VDD | 4.5 | 5.0 | 5.5 | V | 5V operation | |
| Supply current (per die) | Only for one die. Must be multiplied by 2 | 10 | mA | |||
| Ambient temperature | -40 | 150 | C | -40F to 302F | ||
| Magnetic Input Specification | ||||||
| Magnetic input field amplitude | Radius of 1.25 mm | 30 | 70 | mT | Required vertical component of the magnetic field strength on the dies surface | |
| Magnetic input field amplitude (extended) | Radius of 1.25 mm | 10 | 90 | mT | Increased sensor output noise | |
| Magnetic offset | 5 | mT | Constant magnetic stray field | |||
| Displacement radius | 1 | mm | Offset between defined device center and magnet axis. Dependent on the selected magnet. Including Eccentricity | |||
| Electrical System Specifications | ||||||
| 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) over temperature | 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 (Filter disabled) | At 14 bit angular information, 360 mode. | 5 | LSB | Internal Filter disabled | ||
| Output Noise (Filter setting 1) | At 14 bit angular information, 360 mode. | 3 | LSB | |||
| Output Noise (Filter setting 2) | At 14 bit angular information, 360 mode. | 2 | LSB | |||
| Output Noise (Filter setting 3) | At 14 bit angular information, 360 mode. 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 | ||||
| Absolute Maximum Ratings | ||||||
| DC supply voltage at pin VDD | -20 | 20 | V | No operation | ||
| Output voltage OUT | -0.3 | 20 | V | Permanent | ||
| DC supply voltage at pin VDD3V3 | -0.3 | 5 | V | |||
| Input current (latchup immunity) | Norm: AEC-Q100-004 | -100 | 100 | mA | ||
| Electrostatic discharge | Norm: AEC-Q100-002 | 2 | kV | |||
| Storage temperature | -55 | 150 | C | Min -67F; Max 257F | ||
| Body temperature | 260 | C | Reflow peak soldering temperature | |||
| Relative humidity non-condensing | 5 | 85 | % | |||
| Moisture Sensitivity Level | 3 | Represents a maximum floor life time of 168h | ||||
2504101957_OSRAM-AS5261-HMFM_C17339544.pdf
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