MAX9926UAEE+ - 4.5-5.5V VR Sensor Interface | Maxim
MPN: MAX9926UAEE+ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.24 | $6.24 |
| 10 | $6.24 | $62.40 |
| 100 | $6.24 | $624.00 |
| 500 | $6.24 | $3,120.00 |
| 1,000 | $6.24 | $6,240.00 |
MAX9926UAEE+ Overview
A variable-reluctance sensor interface, also called a VR sensor interface or magnetic-coil sensor interface, belongs to the sensor-interface IC hierarchy and conditions signals that would otherwise be difficult for a controller to measure directly. The MAX9926 family combines a precision amplifier, comparator, selectable adaptive peak threshold, and zero-crossing circuitry so the system can detect sensor peaks and timing events while reducing sensitivity to signal-shape and operating-condition changes.
The verified product information identifies the MAX9926UAEE+ as a variable-reluctance sensor interface with differential input and adaptive peak threshold in a 16-pin QSOP package. The listed operating supply range is 4.5 V to 5.5 V, and distributor material describes a typical 4.7 mA supply current. The differential input structure supports rejection of common-mode disturbance, while the adaptive threshold is intended to preserve detection performance as sensor amplitude and operating conditions vary.
The MAX9926UAEE+ is suited to automotive ignition and engine-position systems, transmission and wheel-speed sensing, industrial magnetic pickup sensing, and other applications where a magnetic target moves relative to a coil. Its logic output gives a downstream microcontroller or engine controller a digital event for timing, direction, or position interpretation. The 16-pin QSOP format also supports compact PCB layouts, although pin-level verification is required before layout release.
The principal design consideration is preserving the sensor signal path from the coil to the differential inputs. Route the sensor traces as a short, tightly coupled pair, provide appropriate input conditioning and filtering according to the manufacturer datasheet, and maintain a stable ground reference. Avoid long parallel runs or sharp impedance discontinuities that could degrade noise immunity.
This product page consolidates the verified manufacturer identity, package, supply information, distributor availability references, and application context. Detailed electrical limits, pin names, threshold timing, temperature ratings, and exact replacement parameters should be confirmed against the current MAX9926 datasheet before production release.
Drop-in alternatives for MAX9926UAEE+ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MAX9926UAEE+T
✅ Drop-In📋 Reference alternative (not in catalog)
MAX9926UAEE-T
✅ Drop-In📋 Reference alternative (not in catalog)
MAX9926UAE+
✅ Drop-In📋 Reference alternative (not in catalog)
MAX9926UAEE
✅ Drop-In📋 Reference alternative (not in catalog)
MAX9926
✅ Drop-In📋 Reference alternative (not in catalog)
MAX9926UAEE+ Maximum Ratings & Electrical Characteristics
| Product Type | Variable-reluctance sensor interface |
| Sensor Interface | VR and magnetic-coil sensor input |
| Input Type | Differential input |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Typical Supply Current | 4.7 mA |
| Peak Detection | Adaptive peak threshold |
| Timing Detection | Zero-crossing detection |
| Output Type | Logic output |
| Package | 16-pin QSOP |
| Package Family | QSOP |
| Mounting Type | Surface mount |
| Target Applications | Automotive position and speed sensing |
| Crankshaft Sensing | Supported application |
| Camshaft Sensing | Supported application |
| Transmission-Shaft Sensing | Supported application |
MAX9926UAEE+ qsop Pin Configuration Guide
Pin configuration for MAX9926UAEE+ (qsop package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for MAX9926UAEE+.
Refer to the datasheet for full pin configuration.
Typical Applications
MAX9926UAEE+ is suitable for 7 applications: Automotive Crankshaft Position Sensing, Camshaft Position Detection, Transmission-Shaft Speed Sensing, Industrial Magnetic Pickup Conditioning, Wheel-Speed Monitoring, Robotic Joint Position Sensing, Engine Timing Signal Conditioning.
Automotive Crankshaft Position Sensing
The MAX9926UAEE+ fits variable-reluctance crankshaft sensing because it combines differential input conditioning with adaptive peak-threshold and zero-crossing detection. The sensor coil produces a changing waveform as a ferromagnetic target passes, and the interface converts that waveform into a logic event suitable for an engine controller. Its 4.5 V to 5.5 V supply range and approximately 4.7 mA typical current support compact 5 V signal-chain designs, while the 16-pin QSOP package helps preserve board area. The exact input amplitude range, pulse timing, and automotive temperature grade must be confirmed against the current MAX9926 datasheet before production qualification.
Recommended
Camshaft Position Detection
The MAX9926UAEE+ can support camshaft position detection by conditioning a magnetic-coil waveform into a repeatable digital transition. Adaptive peak-threshold behavior is relevant when the measured signal amplitude changes with air gap, target geometry, or shaft speed. The differential input path is intended for sensor systems where common-mode disturbance can be present in the wiring environment. Designers should place the sensor traces as a short pair, maintain a clean ground reference, and use the manufacturer's timing specifications to determine whether zero-crossing or peak events best represent the required camshaft edge.
Recommended
Transmission-Shaft Speed Sensing
For transmission-speed measurement, the MAX9926UAEE+ provides a dedicated interface between a variable-reluctance pickup and a digital controller. The sensor's changing magnetic field produces alternating positive and negative waveform features, while the device's amplifier, comparator, adaptive threshold, and zero-crossing functions identify useful events. This integration reduces the need for a discrete comparator and threshold network, although the resulting pulse timing still depends on sensor construction and wiring. Confirm output delay, minimum pulse width, and operating-temperature limits from the official datasheet before using it in production transmission electronics.
Recommended
Industrial Magnetic Pickup Conditioning
The MAX9926UAEE+ is applicable when an industrial magnetic pickup supplies a low-level differential waveform that must become a logic timing signal. The integrated adaptive peak threshold can simplify operation across changing signal amplitudes, while the zero-crossing block supports a defined timing reference. The 4.5 V to 5.5 V supply makes the device suitable for systems that already have a regulated 5 V rail. For motor or machine monitoring, keep sensor wiring away from motor phases and use filtering selected from the datasheet rather than adding arbitrary capacitance that could distort pulse timing.
Recommended
Wheel-Speed Monitoring
The MAX9926UAEE+ can interface a VR wheel-speed sensor and deliver logic pulses to a vehicle dynamics or braking controller. Differential input handling is useful in long harness environments where unwanted common-mode voltage can appear, while adaptive peak threshold helps detect the sensor waveform under changing amplitude. The 16-pin QSOP package supports compact controller boards, but wiring harness protection, connector filtering, and ground strategy remain external design requirements. Confirm whether the exact MAX9926UAEE+ ordering code meets the vehicle temperature and qualification requirements before releasing a safety-related production design.
Recommended
Robotic Joint Position Sensing
A MAX9926UAEE+ interface can be evaluated for robotic joint or actuator position sensing when a magnetic target moves past a variable-reluctance coil. The device translates the coil waveform into digital events that a motion controller can use for position indexing or speed estimation. Its dedicated sensor front end is more appropriate than a bare comparator when the system needs adaptive thresholding and zero-crossing references. Use the 4.5 V to 5.5 V supply range to budget the local regulator, route the differential sensor pair carefully, and verify output timing at the lowest and highest expected sensor frequencies.
Recommended
Engine Timing Signal Conditioning
The MAX9926UAEE+ is suited to engine-timing signal conditioning where a magnetic pickup reports shaft position or speed through changing waveform peaks. The adaptive peak threshold and zero-crossing paths provide two useful ways to establish digital timing events from the same VR waveform. Integrating these functions can simplify firmware compared with a bare analog switch, but threshold polarity, input polarity, and output timing must be checked in the manufacturer's application guidance. The final board should include sensor-lead protection and a defined ground strategy to withstand the electrical environment around an engine or transmission.
Recommended
Recommended Products Summary
Engineering reference data for MAX9926UAEE+ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MAX9926UAEE+T | MAX9926UAEE-T | MAX9926UAE+ | MAX9926UAEE | MAX9926 |
|---|---|---|---|---|---|---|
| Package | 16-pin QSOP | 16-pin QSOP | 16-pin QSOP | 16-pin QSOP | 16-pin QSOP | 16-pin QSOP |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Sensor Input | Differential variable-reluctance input | Differential variable-reluctance input | Differential variable-reluctance input | Variable-reluctance sensor interface | Variable-reluctance sensor interface | Variable-reluctance sensor interface |
| Peak Threshold | Adaptive peak threshold | Adaptive peak threshold | Adaptive peak-threshold family function | MAX9926 family function | MAX9926 family function | MAX9926 family function |
| Timing Reference | Zero-crossing detection | Zero-crossing detection | Zero-crossing detection family function | MAX9926 family function | MAX9926 family function | MAX9926 family function |
| Target Application | Automotive position and speed sensing | Sensor and detector interface | MAX9926 family application | Variable-reluctance sensor interface | Variable-reluctance sensor interface | Automotive position and speed sensing |
Key Differentiators
- Dedicated variable-reluctance signal conditioning (vs Generic comparator)
- Adaptive peak threshold (vs Fixed-threshold sensor-conditioning implementation)
- Automotive sensor positioning (vs MAX9926UAEE+T)
- Differential input architecture (vs Single-ended sensor front end)
Design Notes
Route the two VR-sensor conductors as a closely coupled differential pair from the connector or sensor pins toward the MAX9926UAEE+ input pins. Keep the pair short and away from switching nodes, motor phases, and high-current return paths. The verified data confirms a differential input but does not prescribe trace width or spacing, so use the current manufacturer layout guidance for final PCB values.
Place input filtering, protection, and any required threshold-setting components close to the corresponding device pins. Avoid long stubs between the sensor connector and the interface because inductive pickup and capacitance can distort the peak and zero-crossing events. Maintain a continuous, low-impedance ground reference beneath the circuit and verify the ground-return path under worst-case sensor-cable and harness conditions.
Do not treat a distributor listing as proof that a same-family ordering code is a drop-in replacement. The MAX9926UAEE+T, MAX9926UAEE-T, MAX9926UAE+, and MAX9926UAEE listings share the MAX9926 family and 16-pin QSOP designation, but suffix, temperature, lead-finish, and electrical details must be checked against the official datasheet. Confirm pin functions, absolute maximum ratings, output timing, and qualification status before substitution.
Design the local 5 V supply for the confirmed 4.5 V to 5.5 V operating range and the distributor-listed typical current of approximately 4.7 mA. Provide decoupling close to the supply pins according to the manufacturer recommendations and account for sensor-load current elsewhere in the system. The verified data does not provide maximum supply current or regulator accuracy requirements, so those values must not be inferred for production design.
Compliance Information
The verified data does not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 status. Automotive suitability is an application description, not proof of AEC-Q100 qualification.
