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Silicon Labs SI7216-B-00-IVR
- Part No.:
- SI7216-B-00-IVR
- Manufacturer:
- Silicon Labs
- Category:
- Linear, Compass (ICs)
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
SI7216-B-00-IVR.pdf
- Description:
- SENSOR HALL EFFECT ANALOG SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:3,891
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Product details
Overview
SI7216-B-00-IVR from Silicon Labs is a high-voltage analog-output Hall-effect magnetic position sensor in SOT23-3 package, delivering ratiometric 2.4–2.6 V zero-field output and 125 mV/mT gain at VDD > 6 V for precise linear field measurement in automotive fluid level and industrial knob sensing applications.
For engineers reviewing the SI7216-B-00-IVR datasheet, SI7216-B-00-IVR pinout, SI7216-B-00-IVR application, or SI7216-B-00-IVR equivalent, this page provides verified technical context, real-world design meaning of specifications, validated pin functions, and confirmed alternative options for high-voltage analog Hall sensing with built-in self-test capability.
Technical Context
The SI7216-B-00-IVR integrates a chopper-stabilized Hall element with 13-bit ADC and digital signal processing to compensate temperature and offset drift across –40 °C to +125 °C. Its analog output is ratiometric to an internal 5 V reference when VDD exceeds 6 V, enabling stable operation up to 26.5 V supply.
It operates at 1 kHz sample rate with ±250 µT offset and 30 µT rms noise over 20 mT full-scale range. The device supports BIST activation via output pin hold-low and includes ESD protection (8 kV HBM on VDD, 2 kV on output) compliant with ISO 7637-2-2-11 automotive transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD Range | 4.0 V to 26.5 V - supports direct connection to automotive battery rails without external regulation |
| Zero-Field Output | 2.4–2.6 V at VDD > 6 V - enables robust zero-point detection in noisy environments |
| Gain | 125 mV/mT - delivers 2.5 V full-scale swing for ±20 mT range, simplifying ADC interface design |
| Offset Drift | < ±3% over temperature - ensures consistent calibration across industrial operating range |
| Sample Rate | 1 kHz - suitable for real-time mechanical position tracking in rotating knobs or linear actuators |
| RMS Noise | 30 µT - allows resolution better than 0.1 mT after basic digital filtering |
| Sleep Current | 50 nA typical - enables ultra-low-power wake-on-field designs in battery-operated systems |
Pinout & Package
SOT23-3 surface-mount package (JEDEC MO-193AB), 2.9 mm × 2.75 mm × 1.15 mm body height, compatible with standard reflow profiles per J-STD-020D.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power input | Accepts 4.0–26.5 V; internally regulates to 5 V ±5% reference for analog output scaling |
| OUT1 | Analog output | Push-pull ratiometric voltage output; supports BIST activation when held low during SENT frame |
| GND | Ground reference | Common return for power and signal; requires low-impedance PCB plane for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| High-voltage analog output | Operates directly from 12 V/24 V systems without LDO, reducing BOM count and thermal load |
| Integrated BIST coil | Enables system-level functional safety verification without external test equipment or magnet movement |
| Temperature-compensated offset | Maintains <±3% sensitivity drift from –40 °C to +125 °C, eliminating need for external calibration lookup tables |
| Low-noise 13-bit ADC | 30 µT rms noise enables sub-0.1 mT resolution in 20 mT range, sufficient for precision fluid level detection |
| Automotive-grade transient protection | Withstands ISO 7637-2 pulses on VDD and output pins using recommended 220 Ω + 0.1 µF RC network |
Applications
| Fluid Level Sensing | Industrial Control Knobs |
|---|---|
Use Scenario: Detecting fuel/oil level in automotive tanks using float-attached magnet and fixed SI7216-B-00-IVR PCB mount. IC Role / Device Role / Timing Role: Linear analog field-to-voltage converter providing continuous 1 kHz sampled position feedback. Use Value: 20 mT full-scale range and 125 mV/mT gain deliver 2.5 V span for ±20 mT travel, matching common float-arm magnet strengths without amplification. | Use Scenario: Rotary position encoding in HVAC control panels or industrial HMI dials with magnet embedded in knob shaft. IC Role / Device Role / Timing Role: High-immunity Hall sensor interfacing directly to microcontroller ADC with minimal external components. Use Value: 4–26.5 V operation eliminates need for separate 3.3 V rail; 50 nA sleep current enables always-on rotary detection in energy-sensitive designs. |
| Camera Autofocus Actuators | Linear Position Feedback |
Use Scenario: Closed-loop position control of voice coil motor (VCM) in smartphone camera modules using magnet on lens barrel. IC Role / Device Role / Timing Role: Analog field sensor feeding real-time position data to VCM driver IC for precise focus adjustment. Use Value: 1 kHz sampling rate and <30 µT noise support sub-micron positioning resolution required for optical image stabilization. | Use Scenario: Monitoring piston displacement in hydraulic cylinders or valve stem travel using side-mounted magnet and SI7216-B-00-IVR. IC Role / Device Role / Timing Role: Ratiometric analog output sensor providing voltage proportional to absolute linear position. Use Value: Zero-field output stability (2.4–2.6 V) and <±3% gain drift ensure repeatable calibration across temperature without firmware compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Hall-effect analog output applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Allegro A1324LLHLT-T | 3.0–5.5 V supply only; 5 V ratiometric output; no BIST; TO92/SOT23 options | Limited to low-voltage systems; lacks integrated self-test and high-voltage operation | Select when cost-sensitive, low-voltage, non-automotive designs require proven reliability without BIST |
| Melexis MLX90393ELD-ABA-000-TU | Triaxis 3D Hall sensor; I²C output; 2.7–5.5 V; programmable gain/filter; no analog output | Digital interface only; requires host MCU for configuration; higher integration but no direct voltage output | Select when multi-axis sensing, configurable filtering, or SPI/I²C bus integration is prioritized over analog simplicity |
Compared with A1324LLHLT-T and MLX90393ELD-ABA-000-TU, SI7216-B-00-IVR uniquely combines high-voltage analog output, integrated BIST, and automotive transient resilience in a 3-pin SOT23 - making it the only option supporting direct 12/24 V battery interface with hardware-level functional safety verification.
Availability
SI7216-B-00-IVR is available at Aetrix Electronics and suitable for fluid level sensing, industrial control knobs, camera autofocus actuators, and linear position feedback requiring stable component supply in automotive and industrial environments.
Supply support for SI7216-B-00-IVR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Silicon Labs is a fabless semiconductor company specializing in mixed-signal ICs for IoT, timing, and sensing applications, headquartered in Austin, Texas.
The Si721x family was designed specifically for high-accuracy, low-drift magnetic position sensing in harsh environments - targeting automotive fluid level, industrial controls, and consumer motion interfaces where reliability and self-test capability are critical.
FAQ
What is the maximum supply voltage rating for SI7216-B-00-IVR?
The SI7216-B-00-IVR supports a maximum VDD of +40 V per absolute maximum ratings, with recommended operation up to 26.5 V. It withstands automotive ISO 7637-2 transients on VDD when used with a 220 Ω current-limiting resistor, making it suitable for direct connection to 24 V battery systems. Operation above 26.5 V is not recommended for sustained use.
Does SI7216-B-00-IVR support built-in self-test (BIST) functionality?
Yes, SI7216-B-00-IVR supports BIST activation by holding the OUT1 pin low for the duration of a SENT message frame. This triggers the on-chip test coil to generate a known magnetic field, enabling system-level functional verification without external magnets or test fixtures. The nominal field output is 1.6 mT/V × VDD, varying ±25% due to temperature and part accuracy.
What is the zero-field output voltage of SI7216-B-00-IVR and how does it scale with supply voltage?
At VDD > 6 V, SI7216-B-00-IVR delivers a zero-field output of 2.4–2.6 V, ratiometric to an internal 5 V reference. Below 6 V, the internal reference drops 1 V per 1 V decrease in VDD down to the minimum 4.0 V operating voltage. This ensures stable zero-point definition across its full 4.0–26.5 V operating range.
Can SI7216-B-00-IVR be used in automotive applications requiring AEC-Q100 qualification?
No - SI7216-B-00-IVR is not AEC-Q100 qualified. While it meets ISO 7637-2 transient immunity requirements and operates across –40 °C to +125 °C, Silicon Labs removed all AEC-Q100 references from the Si721x family documentation as of Revision 1.2 (March 2019). For AEC-Q100-compliant Hall sensors, consider alternatives such as Allegro A132x or Melexis MLX90363.
What is the typical current consumption of SI7216-B-00-IVR in active and sleep modes?
In active mode at 1 kHz sample rate, SI7216-B-00-IVR draws 7–9 mA. In sleep mode (DIS pin not present; sleep triggered by idle state), typical current is 50 nA at 3.3 V/25 °C, rising to 5 µA at 125 °C. These values enable ultra-low-power wake-on-field applications in battery-backed industrial sensors.
SI7216-B-00-IVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Hall Effect
- Axis:
- Single
- Output Type:
- Analog Voltage
- Sensing Range:
- ±20mT
- Voltage - Supply:
- 4V ~ 26.5V
- Current - Supply (Max):
- 1.7mA (Typ)
- Current - Output (Max):
- -
- Resolution:
- -
- Bandwidth:
- 1kHz
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Supplier Device Package:
- SOT-23-3
- Mounting Type:
- Surface Mount
SI7216-B-00-IVR FAQ
1.How can I place an order for SI7216-B-00-IVR through Aetrix?
Please submit a Request for Quotation (RFQ) for SI7216-B-00-IVR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SI7216-B-00-IVR reliable?
The price and inventory of SI7216-B-00-IVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI7216-B-00-IVR is usually 5 days.
3.What payment methods are accepted for SI7216-B-00-IVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI7216-B-00-IVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI7216-B-00-IVR?
SI7216-B-00-IVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI7216-B-00-IVR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SI7216-B-00-IVR?
For technical support, including SI7216-B-00-IVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI7216-B-00-IVR requirements.
6.How does Aetrix verify that SI7216-B-00-IVR is sourced from the original manufacturer or authorized distributors?
All SI7216-B-00-IVR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SI7216-B-00-IVR meets industry standards.
7.What is the process for return or replacement of SI7216-B-00-IVR?
All SI7216-B-00-IVR units undergo pre-shipment inspection (PSI). If there is an issue with SI7216-B-00-IVR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SI7216-B-00-IVR part is unused and in its original packaging.
Return procedure for SI7216-B-00-IVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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