CHR2244-QDG_15 Datasheet, PDF (2/14 Pages) United Monolithic Semiconductors – 5.8 GHz One Antenna Reflective Transponder for Tag

CHR2244-QDG
5.8 GHz One Antenna Reflective Tag
Electrical Characteristics (Full operating range)
Tamb = -30°C to +80°C
Symbol
Parameter
Test
Conditions
Min
Typ Max Unit
Fop
Operating RF frequency range
(1)
5.725 5.8 5.875 GHz
BW_rf RF bandwidth
50
MHz
RL_rf (*) RF input return loss
50 Ω
12
7
dB
Vcc
Bias voltage
2.7
3.1 3.6
V
WK_in_imp WK_in port impedance
(*)
6
kΩ
10
pF
T/R_imp (*) T/R input port impedance
100
kΩ
10
pF
T/R_t (*) Transmit to Receive recovery time
150
µs
R/T_t (*) Receive to Transmit recovery time
50
µs
(1) The centre frequency can be adjusted by a matching network located between the antenna and the
RF component.
(*) Note: Min & Max values include technological spreads, supply & temperature range effect.
STANDBY mode : T/R_v=0V , MOD_v=0V , WK_in_v=0V
Symbol
Parameter
Test
Conditions
Min
Typ
Max
SB_out_load Standby output port load
impedance
1
10
SB_out_v (*) Standby output port
DC voltage high level (1)
Vcc-1
Vcc
low level
0
1
RF_sb_bw
Amplitude modulation frequency
of RF for wake-up
250
500
RF_sb_p (*) Amplitude modulated RF input
(2)
-38 -43
power for wake-up
Vcc_sb_i (*) Standby DC current
(3)
8
20
(1) The SB_out voltage is high when the RF input signal is AM modulated.
(2) Total transmitted power of the modulated signal (modulation index = 0.5)
(3) Without RF input signal
(*) Note: Min & Max values include technological spreads, supply & temperature range effect.
Unit
MΩ
pF
V
V
kHz
dBm
µA
Ref. : DSCHR2244-QDG9030 - 30 Jan 09
2/14
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax : [phone]