Pin Function Grouping
67 days
Looking at the datasheet of this component, can you group together pins by their functions? for example for Power, VS, gnd_1 gnd_2 etc
NOTE: If you group them, can you not add the same pin if you already added them in a group? You should know which pin function is common for its function
Worked for 45 sec
67 days
Yes — based on the ADXL325 datasheet, I’d group each pin exactly once like this:
Table
| Function Group | Pins |
|---|---|
| Power | VS: pins 14, 15 |
| Ground / Common | COM: pins 3, 5, 6, 7 |
| Analog Outputs | XOUT: pin 12; YOUT: pin 10; ZOUT: pin 8 |
| Control | ST: pin 2 |
| No Connect | NC: pins 1, 4, 9, 11, 13, 16 |
| Exposed Pad | EP: exposed pad — not internally connected; solder for mechanical integrity |
I would not include the NC pins in Ground even though pins 1 and 9 are listed as “No Connect or optionally ground,” because their primary datasheet function is NC, and each pin should belong to only one functional group.
Power pins first
Use exact descriptions
Separate NC pins
Group interfaces
COM
NC
NC
COM
COM
YOUT
ST
ZOUT
EPAD
VS
VS
COM
XOUT
NC
NC
NC
NC
Reviews
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ADXL325BCPZ-RL7
Accelerometer X, Y, Z Axis ±5g 1.6kHz (X,Y), 550Hz (Z) 16-LFCSP-LQ (4x4)
The ADXL325 is a small, low power, complete 3-axis accelerometer
with signal conditioned voltage outputs. The product measures
acceleration with a minimum full-scale range of ±5 g. It can
measure the static acceleration of gravity in tilt-sensing applications,
as well as dynamic acceleration, resulting from motion, shock,
or vibration.
The user selects the bandwidth of the accelerometer using
the CX, CY, and CZ capacitors at the XOUT, YOUT, and ZOUT pins.
Bandwidths can be selected to suit the application with a range
of 0.5 Hz to 1600 Hz for X and Y axes and a range of 0.5 Hz to
550 Hz for the Z axis.
The ADXL325 is available in a small, low profile, 4 mm ×
4 mm × 1.45 mm, 16-lead, plastic lead frame chip scale package
(LFCSP_LQ).
3-axis sensing
Small, low profile package
4 mm × 4 mm × 1.45 mm LFCSP
Low power: 350 μA typical
Single-supply operation: 1.8 V to 3.6 V
10,000 g shock survival
Excellent temperature stability
Bandwidth adjustment with a single capacitor per axis
RoHS/WEEE lead-free compliant
Properties
ADXL325BCPZ-RL7
U
Sensor
Analog Devices Inc.
parametric-v1
Pricing & Availability
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