U4222B Datasheet, PDF (5/9 Pages) TEMIC Semiconductors – Radio Controlled Clock Receiver

TELEFUNKEN Semiconductors
U4222B
Absolute Maximum Ratings
Parameters
Supply voltage
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling
( MIL Standard 883 C )
Symbol
Value
Unit
V_CC
5.5
V
T_amb
–20 to +70
_C
R_stg
–30 to +85
_C
T_j
125
_C
± V_ESD
2000
V
Thermal Resistance
Thermal resistance
Parameters
Symbol
R_thJA
Value
70
Unit
K/W
Electrical Characteristics
V_CCA, V_CCD = 3.0 V, reference point pins 3, 7, 15, input signal according to JG2AS transmitter, T_amb = 25_C,
unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
Supply voltage range
Supply current
I_CC = I_CCA + I_CCD
Pins 9, 16
V_CCA
2.4
V_CCD
Pins 9, 16
I_CC
without reception signal
with reception signal >
20 mV, OFF–mode
5.5
V
40
mA
35
mA
0.2
mA
Reception frequency
Minimum input voltage
Maximum input voltage
f_in
W R_gen = 50 Pins 1,2
v W R_res 300 k , Q_res > 30
V_in
W R_gen = 50 Pins 1,2
v W R_res 300 k , Q_res > 30
V_in
40
kHz
1.5
1.75
mA
40
mV
Input capacitances to ground
Pins 1, 2
C_{in 1}
C_{in 2}
1
pF
1
Set-up time after POWER ON
t_pon
2.5
5
s
TIMING CODE OUTPUT; TCO
Pin 13
Output voltage
HIGH
LOW
Output current
HIGH
LOW
Decoding characteristics
input carrier reduction 200 ms
input carrier reduction 500 ms
800 ms
W R_LOAD = 13 M to GND
W R_LOAD = 2.6 M to
V_CCD
V_TCO = V_CCD/2
V_TCO = V_CCD/2
POWER ON/OFF CONTROL; PON pin 14
V_OH
V_OL
V_CCD-0.4
I_SOURCE
0.2
I_SINK
1
t₂₀₀
100
t₅₀₀
450
t₈₀₀
700
V
0.4
V
0.4 mA
4 mA
250
ms
550
ms
900
Input voltage
HIGH
LOW
v ^{Generator output resis-}
tance 200 kW
V_CCD–0.
4
V
0.4
V
Rev. A1: 13.08.1996
Preliminary Information
5 (9)