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Specifications
Operating Current:
4mA
Operation Points:
6mT
Release Points:
-6mT
Operating Temperature:
-40℃~+125℃
Voltage - Supply:
3V~28V
Mfr. Part #:
AH3761-WG-7
Package:
SC-59
Key Attributes
Model Number:
AH3761-WG-7
Product Description
Product Overview
The AH3761 is an obsolete, discontinued Hall effect latched sensor designed for electronic commutation in brushless DC motor applications. It features on-chip Hall voltage generation, a comparator with Schmitt trigger for noise rejection, and an open-drain output. A bandgap regulator provides temperature-compensated supply voltage over a wide operating range. The output turns on (low) when magnetic flux density exceeds Bop and remains on until flux density drops below Brp, at which point it turns off (high). This part is no longer recommended for new designs and is replaced by the AH3774.
Product Attributes
- Brand: Diodes Incorporated
- Status: OBSOLETE PART DISCONTINUED
- Certifications: Totally Lead-Free & Fully RoHS Compliant (EU Directive 2002/95/EC, 2011/65/EU & 2015/863/EU), Halogen and Antimony Free. Green Device.
- Material: Green Molding Compound (No Br, Sb)
Technical Specifications
| Characteristic | Conditions | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | Operating | 3 | - | 28 | V |
| Operating Ambient Temperature (TA) | Operating | -40 | - | 125 | C |
| Output Saturation Voltage (VO(SAT)) | Iout =20mA, B>Bop | - | 300 | 500 | mV |
| Output Leakage Current (IOFF) | VO =24V, B<Bop | - | < 0.1 | 10 | A |
| Supply Current (IDD) | Output Open | - | 4 | 6 | mA |
| Output Rising Time (tR) | RL =10k, CL =16pF | - | 340 | - | ns |
| Output Falling Time (tF) | RL =10k, CL =16pF | - | 20 | - | ns |
| Chopping Frequency (fC) | - | - | - | 300 | kHz |
| Output Current Limit (IOM) | B>Bop (Note 5) | 50 | 70 | 90 | mA |
| Start-up time of IC (tST) | VDD>3V, B>Bop (Note 6) | - | 47 | - | s |
| Operate Point (Bop) | - | 5 | 30 | 60 | Gauss |
| Release Point (Brp) | - | -60 | -30 | -5 | Gauss |
| Hysteresis (Bbys) | - | - | 60 | - | Gauss |
Applications
- Brushless DC Motor Commutation
- RPM Detection
- Consumer and Industrial Position Sensor
- Flow Meters
Available Packages
- SIP-3 (Ammo Pack)
- SIP-3 (Bulk Pack)
- SC59 (SOT23)
2412251047_DIODES-AH3761-WG-7_C306655.pdf
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