AK2124 Datasheet, PDF (5/6 Pages) List of Unclassifed Manufacturers – Receiver/Demodulator for time code signals transmitted by the transmitters

2. Parameters
Refering to the test circuit with generator signal
f = 77500 Hz ± 5 Hz
pulse modulation of RF-signal from 100% to 25 %
during modulation time t = 200 ms,
V_CC = 1.4 V ; V_PON = 0 V ; T_a = 25 °C
unless specified otherwise
min.
typ.
Supply voltage range
(+5°C < T_a < +55°C)
1.2
1.4
Supply voltage range
1.4
(-25°C < T_a < +85°C)
Current consumption
600
( normal operation )
Current consumption ( Stand - by )
<1
Switch current I_PON ( V_PON = ground )
-15
Switch current I_SA ( V_SA = V_CC )
5
Switch current I_SR ( V_SR = V_CC )
10
Input voltage
3
Antenna switch attenuation
52
Input impedance of the
750
RF amplifier
Input impedance of the
95
booster amplifier
Output impedance of the
0.3
RF segment ( A1 )
Output impedance of the
7.5
RF segment ( A2 )
RF segment amplification
53
(on A1 at V_SA = O V)
Range of input voltage
30
booster amplifier
Internal resistance of the
70
demodulator
Output voltage of the demodulator
200
max.
2.2
2.2
1000
10
-50
10
30
100000
450
unit
V
V
µA
µA
µA
µA
µA
µV
dB
kΩ
kΩ
kΩ
kΩ
dB
µV
kΩ
mVpp
4
09/00
AK2124