Accelerometers - Board Mount Digital Output Auto Three-Axis Accel
| Manufacturer : | Analog Devices, Inc |
|---|---|
| Package/Case : | LFCSP EP |
| Product Categories : | Motion & Position Sensors |
| Datasheet: | ADXL312ACPZ-RL Datasheet (PDF) |
| RoHs Status: | Rohs |
| In-stock: | 3040 |
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ADXL312ACPZ-RL Product Details
The ADXL312ACPZ-RL is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement up to ±12 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a serial port interface (SPI) (3- or 4-wire) or I2C digital interface.
The ADXL312ACPZ-RL is well suited for car alarm or black box applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (2.9 mg/LSB) enables resolution of inclination changes of as little as 0.25°. A built-in FIFO facilitates using oversampling techniques to improve resolution to as little as 0.05° of inclination.
Several special sensing functions are provided. Activity and inactivity sensing detects the presence or absence of motion and whether the acceleration on any axis exceeds a user-set level. These functions can be mapped to interrupt output pins. An integrated 32 level FIFO can be used to store data to minimize host processor intervention.
Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.
The ADXL312ACPZ-RL is supplied in a small, thin 5 mm × 5 mm × 1.45 mm, 32-lead, LFCSP package.
Feature
- Ultralow power: as low as 57 μA in measurement mode and 0.1 μA in standby mode at VS = 3.3 V (typical)
- Power consumption scales automatically with bandwidth
- User-selectable resolution
- Fixed 10-bit resolution
- Full resolution, where resolution increases with g range, up to 13-bit resolution at ±12 g (maintaining 2.9 mg/LSB scale factor in all g ranges)
- Embedded FIFO technology minimizes host processor load
- Built-in motion detection functions for activity/inactivity monitoring
- Supply and I/O voltage range: 2.0 V to 3.6 V
- SPI (3- and 4-wire) and I2C digital interfaces
- Flexible interrupt modes mappable to either interrupt pin
- Measurement ranges selectable via serial command
- Bandwidth selectable via serial command
- Wide temperature range (−40 to +105°C)
- 10,000 g shock survival
- Pb free/RoHS compliant
- Small and thin: 5 mm × 5 mm × 1.45 mm LFCSP package
- Qualified for automotive applications
Applications
- Car alarm
- Hill start aid (HSA)
- Electronic parking brake
- Data recorder (black box)

(Picture: Pinout)

(Picture: Diagram)
Technical Parameters
- Sensing Axis
- Triple
- Acceleration
- +/- 1.5 g/+/- 3 g/+/- 6 g/+/- 12 g
- Package / Case
- LFCSP EP
- Maximum Operating Temperature
- + 105 C
- Minimum Operating Temperature
- - 40 C
- Packaging
- Reel
- Series
- ADXL312
ADXL312ACPZ-RL Datasheet
-
ADXL312 Technical Documentation/Data sheet
ADXL312ACPZ-RL Equivalent Parts
For the ADXL312ACPZ-RL component, you may consider these replacement and alternative parts.
| Models | Manufacturer | Package/Case | Description |
|---|---|---|---|
| ADXL335BCPZ-RL | ADI | LFCSP-16 | Accelerometer Triple ±3g 2.5V/3.3V 270mV/g to 330mV/g 16-Pin LFCSP EP T/R |
| ADXL325ACPZ-RL | |||
| ADXL345BCPZ-RL |
ADXL312ACPZ-RL Related Products
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2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that ADXL312ACPZ-RL is the original manufacturer or agent of ADI?
- We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their ADXL312ACPZ-RL devices; we pay more attention to the channels and quality of ADXL312ACPZ-RL products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the ADXL312ACPZRL we delivered, we will accept the replacement or return of the ADXL312ACPZ-RL only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ADXL312ACPZ-RL.
(3)The ADXL312ACPZ-RL is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
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