User Manual

Medio P200L Reader
22/25 Revision 1.0 August 2010
7 Electrical Characteristics
This chapter provides information about AC and DC characteristics for all pins. It also gives timing
characteristics for the different interfaces.
7.1 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 3.6 W
Total Power Dissipation on Antenna 1 W
7.2 DC Characteristics
Value Description Max. Typ. Min. Unit
V
Supply
Supply Voltage 13.2 12 10.8 V
I
RFOff
Supply Current – RFOff – USB Plugged (V
Supply
= 12V) 44 39 35 mA
I
RFOn
Supply Current
( RFOn, Dummy Load 50Ohm, V
Supply
= 12V)
304 290 275 mA
AERO LI
271 mA
LSA-2
290 mA
I
RFOn
Supply Current
(RFOn, V
Supply
= 12V, Antenna connected)
LSA-3
276 mA
I
Open
Supply Current
(RFOn, No connection on RF Connector)
202 MA
T
Op
Operating Tempature 0 55 °C
V
USB
Supply Voltage on USB cable 5.25 5 4.35 V
I
Usb
Supply Current on USB cable 25 20 - mA
U
VOH
D+/D- Static Output high 3.6 2.8 V
U
VOL
D+/D- Static Output low 0.3 0 V
U
VSE
Single Ended Rx Threshold 2.0 0.8 V
U
VCOM
Differential Common Mode 2.5 0.8 V
U
VDIF
Differential Input sensitivity 0.2 V
Z
DRV
Driver Output impedance 44 29 Ohm
Current Supply vs Temperature
RF On (V Supply = 12V)
275
280
285
290
295
300
305
60 50 40 30 20 10
0
-10
Temperature (°C)
I(mA)
Current Supply vs Temperature
RF Off (V Supply = 12V)
35
35,5
36
36,5
37
37,5
38
38,5
39
39,5
40
60 50 40 30 20 10
0
-10
Temperature (°C)
I (mA)
RF Power vs Temperature
0,8
0,85
0,9
0,95
1
1,05
1,1
1,15
1,2
1,25
60 50 40 30 20 10
0
-10
Temperature (°C)
RF Power (W)