28026 Parallax Inc, 28026 Datasheet - Page 3

• Manufacturer Part Number: 28026
• Description: MODULE ACCEL HITACHI H48C 3-AXIS
• Manufacturer: Parallax Inc

Specifications of 28026

• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±3g
• Interface: Analog
• Sensitivity: 333 mV/g
• Voltage - Supply: 2.2 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: BASIC Stamp® 2 Module
• Product: Microcontroller Accessories
• Data Bus Width: 12 bit
• Core Processor: MCP3204
• Interface Type: Serial
• Operating Supply Voltage: 5 V
• Board Size: 20.3 mm x 17.8 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 28026PAR

sampling rate of the module is dictated by the filter circuitry and works out to about 200 samples per
second.
Pin Definitions and Ratings
Copyright© Parallax Inc. • Hitachi H48C 3-Axis Accelerometer Module (#28026) • 7/27/2007
(1) CLK
(2) DIO
(3) Vss
(4) Zero-G
(5) CS\
(6) Vdd
Symbol
V
V
I
V
V
V
V
† From Microchip MCP3204 Datasheet
§ From Hitachi H48C Datasheet
DD
DD
SS
IH
IL
OH
OL
Quantity
Operating voltage
Ground reference connection
Supply current
High Level Voltage Input
Low Level Voltage Input
High Level Voltage Output
Low Level Voltage Output
Sample Rate
ADC (MCP3204) Resolution
Measurement Range
Sensitivity
Accuracy
Non-linearity
Operating Temperature Range
High Level Zero-G Voltage Output
Zero-G Output Delay
Synchronous clock input
Bi-directional data to/from host
Power supply ground (0v)
"Free-fall" output; active-high
Chip select input; active-low
+5vdc
§
§
§
§
§
†
†
†
†
†
§
§
Minimum
0.7 V
4.1
-25
3.2
4.5
10
-3
-2
DD
Typical
366.3
5.0
3.3
12
0
7
Rev 1.2
Maximum
0.3 V
200
5.5
0.4
10
75
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3
2
1
DD
Units
mV/g
bits
mA
sps
ms
°C
%
%
V
V
V
V
V
V
V
g