PNI SeaTRAX - Manual (Page 9)

PNI Sensor Corporation DOC#1018154 r02
SeaTRAX User Manual Page 4
Table 3-2: Absolute Maximum Ratings
Parameter Minimum Maximum Units
Supply Voltage -0.3 +10 VDC
Storage Temperature -40 +85 °C
4. CAUTION:
5. Stresses beyond those listed above may cause permanent damage to the device. These are
stress ratings only. Operation of the device at these or other conditions beyond those
indicated in the operational sections of the specifications is not implied.
Table 3-3: Electrical Requirements
Parameter Value
Supply Voltage 3.8 to 9 VDC
Communication Lines
High Level Input 2.4 V minimum
Low Level Input 0.6 V maximum
Output Voltage Swing ±5.2 V typ., ±5.0 V min.
Tx Output Resistance 300 Ω
Average Current Draw
@ max. sample rate 25 mA typical
@ 8 Hz sample rate 17 mA typical
Peak Current Draw
During application of
external power 180 mA pk, 60 mA avg
over 10 ms
During logical power
up/down or Sync Trigger 135 mA pk, 60 mA avg
over 4 ms
Sleep Mode Current Draw 0.3 mA typical
Table 3-4: I/O Characteristics
Parameter Value
Communication Interface RS232 UART
Communication Protocol PNI Binary
Communication Rate 300 to 115200 baud
Maximum Sample Rate 1 ~50 samples/sec
Time to Initial
Good Data
2
Initial power up <210 ms
Sleep Mode recovery <80 ms
Footnotes:
1. The maximum sample rate is dependent on the strength of the magnetic
field.
2. FIR taps set to “0”.