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參數(shù)資料
| 型號(hào)： | U4222B-CFPG1 |
| 英文描述： | Radio Controlled Clock Receiver |
| 中文描述： | 電波鐘接收器 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 98K |
| 代理商： | U4222B-CFPG1 |
TELEFUNKEN Semiconductors
U4222B
Preliminary Information
Rev. A1: 13.08.1996
5 (9)
Absolute Maximum Ratings
Parameters
Symbol
V
CC
T
amb
R
stg
T
j
±
V
ESD
Value
5.5
–20 to +70
–30 to +85
125
2000
Unit
V
C
C
C
V
Supply voltage
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling
(MIL Standard 883 C)
Thermal Resistance
Parameters
Symbol
R
thJA
Value
70
Unit
K/W
Thermal resistance
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
V
CCA
V
CCD
I
CC
Min.
2.4
Typ.
Max.
5.5
Unit
V
Supply voltage range
Pins 9, 16
Supply current
I
CC
= I
CCA
+ I
CCD
Pins 9, 16
without reception signal
with reception signal >
20 V, OFF–mode
40
35
0.2
A
A
A
Reception frequency
Minimum input voltage
f
in
V
in
40
1.5
kHz
A
R
gen
= 50
R
res
R
gen
= 50
R
res
Pins 1,2
300 k , Q
res
> 30
Pins 1,2
300 k , Q
res
> 30
Pins 1, 2
1.75
Maximum input voltage
V
in
40
mV
Input capacitances to ground
C
in 1
C
in 2
t
pon
1
1
pF
Set-up time after POWER ON
TIMING CODE OUTPUT; TCO
Output voltage
HIGH
LOW
2.5
5
s
Pin 13
R
LOAD
= 13 M to GND
R
LOAD
= 2.6 M to
V
CCD
V
OH
V
OL
V
CCD
-0.4
0.4
V
V
Output current
HIGH
LOW
Decoding characteristics
input carrier reduction 200 ms
input carrier reduction 500 ms
V
TCO
= V
CCD/2
V
TCO
= V
CCD/2
I
SOURCE
I
SINK
0.2
1
0.4
4
800 ms
t
200
t
500
t
800
100
450
700
250
550
900
ms
ms
POWER ON/OFF CONTROL; PON pin 14
Input voltage
HIGH
LOW
Generator output resis-
tance
200 k
V
CCD
–0.
4
0.4
V
V
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