
PNI Sensor
DOC#1032877
TRAX2 User Manual Aug 2021
Page 4
Table 3-2: Absolute Maximum Ratings
Parameter
Minimum
Maximum
Units
Supply Voltage
-0.3
+10
VDC
Storage Temperature
-40
+85
°C
V
IN
TTL UART Rx
-0.3
4
V
V
IN
RS-232 Rx
-30
+30
V
CAUTION:
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
3.7 to 8 VDC
RS-232
High Level Input
2.4 V Max, 1.6V typical
Low Level Input
0.6 V Min, 1.2V typical
Output Voltage Swing
±5.2 V typ., ±5.0 V min.
Tx Output Resistance
300 Ω
Serial UART
CMOS/TTL
(1)
UART Rx
(2)
V
IH
2.3 V Min
1.87V Min Typical
(1)
UART Rx
V
IL
0.99 V Max
1.23 V Max Typical
(1)
UART Tx V
OH
(8mA
load)
2.9V Min
UART Tx V
OL
(8mA
load)
0.4V Max
Current Draw
AHRS Mode@ max.
sample rate
20 mA typical
Compass Mode @
max. sample rate
17 mA typical
During application of
external power
See Figure 3-1
Sleep Mode
0.5 mA typical
(1) CMOS 3.3V and TTL-compliant logic levels. UART RX
V
IH
is tested at 2.3V min. and is guarenteed by
design to be 1.87V min
(2) Vin on UART Rx is rated at 4V MAX. Higher than 3.6V can cause excessive loading on source.