Pin Function Grouping

adrian95

adrian95

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
3 days

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Gathering project information.

Looking for "pin configuration and pin descriptions for ADXL325 16-lead LFCSP pins VS COM GND XOUT YOUT ZOUT ST NC" in ADXL325.pdf

Yes — based on the ADXL325 datasheet, I’d group each pin exactly once like this:

Table

Function GroupPins
PowerVS: pins 14, 15
Ground / CommonCOM: pins 3, 5, 6, 7
Analog OutputsXOUT: pin 12; YOUT: pin 10; ZOUT: pin 8
ControlST: pin 2
No ConnectNC: pins 1, 4, 9, 11, 13, 16
Exposed PadEP: 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
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COM
NC
NC
COM
COM
YOUT
ST
ZOUT
EPAD
VS
VS
COM
XOUT
NC
NC
NC
NC
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ADXL325BCPZ-RL7

ADXL325BCPZ-RL7 thumbnail
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
#CommonPartsLibrary #Sensor #Transducer #Motion-Sensor #Accelerometer #ADXL325

Properties

ADXL325BCPZ-RL7

U

Sensor

Analog Devices Inc.

analog.com/media/en/technical-documentation/data-sheets/ADXL325.pdf

creativecommons.org/licenses/by/4.0/

parametric-v1

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