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Electrical 
Characteristics 
 
February 2006 
Revision 1.0 
39/42 
9 Electrical Characteristics 
This chapter provides information about AC and DC characteristics for all pins. It also gives timing 
characteristics for the different interfaces. 
9.1  Absolute Maximum Ratings 
Parameter 
Value 
Ambient Operating Temperature  
0°C to +55°C 
Storage Temperature 
-20°C to +70°C 
Supply Voltage with respect to GND 
25 V 
Total Power Dissipation  
4.5 W 
Total Power Dissipation on Antenna 
1.2 W  
9.2 DC Characteristics 
Value 
Description 
Max.  Typ.  Min.  Unit
V
Supply 
Supply Voltage 
13.2  12  10.8 
I
RFOff 
Supply Current – RFOff – USB Plugged (V
Supply 
12V) 
50 45 40 mA 
USB  
273 
 
I
RFOn
 
Supply Current ( RFOn, Dummy Load 
50Ohm, V
Supply 
= 12V) 
WIFI  
383 
 
mA 
TR-HA1   383   mA 
L-W1  393 
 mA 
I
RFOn 
Supply Current  
(RFOn, V
Supply 
= 12V, Antenna connected, 
WIFI Communication) 
LSA-3  384  mA 
I
Open 
Supply Current 
(RFOn, No connection on RF Connector, WiFi 
Communication) 
 352  mA 
T
Op 
Operating Tempature 
 
55 
°C 
V
USB 
Supply Voltage on USB cable 
5.25 
4.35 
I
Usb 
Supply Current on USB cable 
340 
µA 
U
VOH 
D+/D- Static Output high 
3.6 
 
2.8 
U
VOL 
D+/D- Static Output low 
0.3 
 
U
VSE 
Single Ended Rx Threshold 
2.0 
 
0.8 
U
VCOM 
Differential Common Mode 
2.5 
 
0.8 
U
VDIF 
Differential Input sensitivity 
 
 
0.2 
Z
DRV 
Driver Output impedance 
44 
 
29  Ohm
Input Voltage Low 
 
 
Input Voltage High
 
 25 
 
Output Current
 
 6