5.8 GHz One Antenna Reflective Tag
CHR2244
DOWNLINK mode : T/R=‘0’ , MOD=‘0’ , WK_in=‘Vcc’
Test
Conditions
Symbol
Parameter
Min
Typ Max
Unit
Data_out_load Downlink output port
load impedance
CMOS compatible
Data_out_f
Amplitude demodulation frequency
250
40
500
60
kHz
%
Data_out_dc (*) Data_out signal duty cycle
50
-43
200
RF_dl_p (*)
WK_in_i (*)
Amplitude modulated RF input power
WK_in DC current
(1)
-38
dBm
µA
500
(1) Total transmitted power of the modulated signal (modulation index = 0.5)
(*) Note : Min & Max values include technological spreads, supply & temperature range effect.
UPLINK mode : T/R=‘Vcc’ , WK_in=‘Vcc’
Test
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
MOD_imp (*)
Modulated signal input port
impedance
100
kW
10
pF
MOD_v
Modulated signal input port voltage
Square wave
(1)
0/Vcc
MOD_f
G_ul (*)
Uplink IF multiplier frequency
Uplink multiplier gain (DSB)
WK_in DC current
0.1
-7
10
MHz
dB
-4
WK_in_i (*)
200
500
µA
(1) The shape of the modulated signal can be optimized if better linearity is needed.
(*) Note : Min & Max values include technological spreads, supply & temperature range effect.
Absolute Maximum Ratings (1)
Tamb = -30°C to +80°C
Symbol
Parameter
Values
Unit
Vcc
Bias voltage
5
5
V
V
Wk_in_v
T/R_v
Wk_in input voltage
T/R input voltage
MOD input voltage
5
V
MOD_v
RF_sb_p
RF_dl_p
5
V
Maximum Standby and Downlink
RF input power (2)
+10
dBm
Top
Operating temperature range
Storage temperature range
-30 to +80
°C
°C
Tstg
-55 to +125
(1) Operation of this device above anyone of these parameters may cause permanent damage.
(2) Duration < 1s.
Ref. : DSCHR2244QDG5053 - 22 Feb 05
3/16
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
