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Specifications
Current - Supply:
6.5mA
Interface:
I2C
Voltage - Supply:
3.3V;5V
Mfr. Part #:
AS5601-ASOT
Package:
SOIC-8
Key Attributes
Model Number:
AS5601-ASOT
Product Description
AS5601 12-Bit Programmable Contactless Encoder
The AS5601 is an easy-to-program magnetic rotary position sensor offering 12-bit digital outputs for incremental quadrature (A/B) signals. It features a PUSH output that detects fast airgap changes, enabling a contactless pushbutton function. Designed for contactless encoder applications, its planar Hall sensor technology provides robust rejection of external stray magnetic fields. The device supports user programming of non-volatile parameters via an industry-standard IC interface and includes a smart low-power mode.
Product Attributes
- Brand: ams
- Product Type: Contactless Encoder
- Package: SOIC-8
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Units | Comments |
| Electrical Characteristics | ||||||
| VDD5V Positive supply voltage in 5.0V mode | 5.0V operation mode | 4.5 | 5.0 | 5.5 | V | |
| VDD3V3 Positive supply voltage in 3.3V mode | 3.3V operation mode | 3.0 | 3.3 | 3.6 | V | |
| IDD Supply current in NOM (PM = 00) | Always on | 6.5 | mA | (1) | ||
| lDD_LPM1 Supply current in LPM1 (PM = 01) | Polling time = 5 ms | 3.4 | mA | (1) | ||
| lDD_LPM2 Supply current in LPM2 (PM = 10) | Polling time = 20 ms | 1.8 | mA | (1) | ||
| lDD_LPM3 Supply current in LPM3 (PM = 11) | Polling time = 100 ms | 1.5 | mA | (1) | ||
| TA Operating temperature | -40 | 125 | C | |||
| Digital Inputs and Outputs | ||||||
| V_IH High-level input voltage | 0.7 VDD | V | ||||
| V_IL Low-level input voltage | 0.3 VDD | V | ||||
| V_OH High-level output voltage | VDD - 0.5 | V | ||||
| V_OL Low-level output voltage | 0.4 | V | ||||
| I_O Output current for A, B, and PUSH | -2 | 2 | mA | |||
| C_L Capacitive load for A, B, and PUSH | 50 | pF | ||||
| T_DETWD Watchdog detection time | WD = 1 | 57 | 60 | 63 | seconds | |
| T_PU Power-up time | 10 | ms | ||||
| F_S Sampling rate | 150 | s | ||||
| T_SETTL1 Settling time | SF = 00 | 2.2 | ms | |||
| T_SETTL2 Settling time | SF = 01 | 1.1 | ms | |||
| T_SETTL3 Settling time | SF = 10 | 0.55 | ms | |||
| T_SETTL4 Settling time | SF = 11 | 0.286 | ms | |||
| Magnetic Characteristics | ||||||
| Bz Orthogonal magnetic field strength, regular output noise ON_SLOW and ON_FAST | Required orthogonal component of the magnetic field strength measured at the die's surface along a circle of 1 mm | 30 | 60 | 90 | mT | |
| Bz_ERROR Minimum required orthogonal magnetic field strength, magnet detection level | 8 | mT | ||||
| System Characteristics | ||||||
| RES Core Resolution | 12 | bit | ||||
| RES_AB A/B output resolution | 8 | 2048 | positions | |||
| VMAX_AB Maximum rotation speed for incremental output | Continuous Rotation | 456 | rpm | (1), (2) | ||
| INL_BL System INL Deviation from best line fit; 360 maximum angle, no magnet displacement, no zero-programming performed | 1 | degree | ||||
| ON_SLOW RMS output noise (1 sigma) | Orthogonal component for the magnetic field within the specified range Bz, after 2.2 ms; SF = 00 | 0.015 | degree | (1) | ||
| ON_FAST RMS output noise (1 sigma) | Orthogonal component for the magnetic field within the specified range Bz, after 286 s; SF = 11 | 0.043 | degree | (1) | ||
2410010100_AMS-AS5601-ASOT_C2655200.pdf
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