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PDF U4221B Data sheet ( Hoja de datos )

Número de pieza U4221B
Descripción Radio Controlled Clock Receiver
Fabricantes TEMIC Semiconductors 
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Radio Controlled Clock Receiver
U4221B
Description
The U4221B is a bipolar integrated straight through receiver circuit in the frequency range of 60 to 80 kHz. The device
is designed for radio controlled clock application.
Features
D Low power consumption
D Very high sensitivity
D High selectivity by quartz resonator
D Stop-function available
D Only a few external components necessary
D Digitized serial output signal
Block Diagram
PON
14
TCO
13
VCCA
16
GND
15
Power supply
IN2
1
Amplifier 1
IN1
2
FSI
12
Driver
NC VCCD
10 9
Comparator
FSS
11
AGC
Amplifier 2
Demodulator
CAGC
4
3
GND (analog)
86
OUTA1 INA2
Figure 1.
75
GND (digital) CDEM
93 7506 e
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
Preliminary Information
1 (12)
Datasheet pdf - http://www.DataSheet4U.net/

1 page




U4221B pdf
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U4221B
Absolute Maximum Ratings
Parameters
Supply voltage
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling
( MIL Standard 883°C)
Symbol
VCC
Tamb
Rstg
Tj
± VESD
Value
5.5
–20 to +70
–30 to +85
125
2000
Unit
V
_C
_C
_C
V
Thermal Resistance
Thermal resistance
Parameters
Symbol
RthJA
Value
70
Unit
K/W
Electrical Characteristics
VCCA, VCCD = 3.0 V, reference point Pins 3, 7, 15, input signal according to DCF 77 transmitter, Tamb = 25_ C,
unless otherwise specified
Parameters
Supply voltage range
Test Conditions / Pins
Pins 9, 16
Supply current
ICC = ICCA + ICCD
Pins 9, 16
without reception signal
with reception signal >
20 m V OFF-mode
Reception frequency range
Minimum input voltage
Maximum input voltage
Input capacitances to
ground
vRgen = 50 W
Pins 1,2
Rres 300 kW, Qres > 30
vRgen = 50 W
Pins 1,2
Rres 300 kW, Qres > 30
Pins 1, 2
Set-up time after POWER
ON
TIMING CODE OUTPUT; TCO
Pin 13
Output voltage
HIGH
LOW
Output current
HIGH
LOW
Decoding characteristics
input carrier reduction
100 ms input carrier
reduction 200 ms
RLOAD = 13 MW to GND
RLOAD = 2.6 MW to VCCD
VTCO = VCCD/2
VTCO = VCCD/2
POWER ON/OFF CONTROL; PON Pin 14
Input voltage
HIGH
LOW
vGenerator output resistance
200 kW
Symbol
VCCA
VCCD
ICC
Min.
2.4
fin
Vin
Vin
Cin 1
Cin 2
tpon
60
40
VOH
VOL
VCCD-0.4
ISOURCE
ISINK
0.2
1
t100 50
t200 150
VCCD–0.4
Typ.
1.5
1
1
2.5
Max.
5.5
40
35
0.2
80
1.75
5
0.4
0.4
4
110
230
0.4
Unit
V
mA
mA
mA
kHz
mV
mV
pF
s
V
V
mA
mA
ms
ms
V
V
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
Preliminary Information
5 (12)
Datasheet pdf - http://www.DataSheet4U.net/

5 Page





U4221B arduino
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Ordering and Package Information
Extended Type Number
U4221B-BFP
U4221B-BFPG1
Package
SO16 plastic
SO16 plastic
U4221B
Remarks
Taping according to IEC-286-3
Package: SO16
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
Preliminary Information
11 (12)
Datasheet pdf - http://www.DataSheet4U.net/

11 Page







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