AK2125 Datasheet, PDF (4/6 Pages) List of Unclassifed Manufacturers – Receiver/ Demodulator for time code signals transmitted by the transmitter DCF77( Germany) ,MSF(UK), or WWVB(USA)

Absolute Maximum Ratings
Supply voltage
Output voltage
Stand-by switch voltage PON
Junction temperature
Operating temperature
symbol
V_CC
V_A
V_PON
T_j
T_a
min.
0
0
0
-25
max.
unit
5.25
V
5.25
V
V_CC
V
150
°C
+85
°C
Recommended Operational Conditions
Supply voltage
Frequency
Operational temperature
RF input voltage
V_CC
1.4
V
f
50 ... 80
kHz
T_a
0 ... 55
°C
V_iE
>3
µV
Electrical Characteristics
1. Test circuits
V
CC
47 n
47 n
150 n 22 n
100 µ
77.5 kHz
E1
Ue1
1p
51
1k 330 k
AP1 E3
14
13
1
2
A2
A1
REF
AP2
CD
PON CR
12
11
10
9
8
AK 2125
VR
3
4
5
6
7
GND E1
CK
100 p
V
CC
A
4.7 n
100 k
A
2
Ue1 : pot core AL1100 nH/w ; 2 x 25 windings with 0.2 CuL
V
CC
09/00
3
AK2125