rtd GPS35190HR Series, Руководство пользователя

Страница: 8 / 28

RTD Embedded Technologies, Inc.
| www.rtd.com 8 GPS35190 User’s Manual
2 Specifications
2.1 Operating Conditions
Table 2: Operating Conditions
Symbol Parameter Test Condition Min Max Unit
V
cc5
5V Supply Voltage 4.75 5.25 V
V
cc3
3.3V Supply Voltage n/a n/a V
V
cc12
12V Supply Voltage n/a n/a V
T
a
Operating Temperature -40 +85 C
T
s
Storage Temperature -55 +125 C
RH Relative Humidity Non-Condensing 0 90% %
MTBF Mean Time Before Failure
Telcordia Issue 2
30°C, Ground benign, controlled
2,602,250 Hours
2.2 Electrical Characteristics
Table 3: Electrical Characteristics
Symbol Parameter Test Condition Min Typical Max Unit
P Power Consumption V
cc5
= 5.0V 0.5 W
I
cc5
5V Input Supply Current Active 2.5 A
PCIe/104 Bus
Differential Output Voltage 0.8 1.2 V
DC Differential TX Impedance 80 120 Ω
Differential Input Voltage 0.175 1.2 V
DC Differential RX Impedance 80 120 Ω
Electrical Idle Detect Threshold 65 175 mV
CAN Port
Positive-going Input Threshold 750 900 mV
Negative-going Input Threshold 500 650 mV
Hysteresis Voltage 100 mV
Input Resistance 20 50 KΩ
Output Voltage
(Dominant)
CAN-H 2.75 3.5 4.5
V
CAN-L 0.5 2
Output Voltage
(Recessive)
CAN-H 2 2.5 3
V
CAN-L 2 2.5 3
Differential Output (Dominant) 1.2 2 3 V
Differential Output (Recessive) -120 12 mV
Termination Resistor 121 Ω