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參數資料
| 型號： | U4454B |
| 英文描述： | Quasi-Split-Sound Processing and AM-Demodulator |
| 中文描述： | 準裂聲音處理和AM -解調器 |
| 文件頁數： | 2/7頁 |
| 文件大?。?/td> | 107K |
| 代理商： | U4454B |
U4454B
TELEFUNKEN Semiconductors
Rev. A1, 23-Feb-96
Preliminary Information
2 (7)
Pin Description
NC
GND
C
5
V
out
C
7
V
VCO
IF
in
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
95 11256
V
S
C
Ref
LF
LF
GND
V
VCO
IF
in
GND
Pin
1
2
3
4
5
6
Symbol
IF
in
NC
NC
GND
C
5
V
out
Function
IF input
Not connected
Not connected
Ground
IF-AGC time constant
Output for AM (audio frequency) or
FM (intercarrier frequency)
Averaging value (IF-AGC function)
VCO circuit
VCO circuit
Ground
PLL loop filter
PLL time constant switch
Reference voltage (internal use only)
Supply voltage
Ground
IF input
7
8
9
10
11
12
13
14
15
16
C
7
V
VCO
V
VCO
GND
LF
LD
C
Ref
V
S
GND
IF
in
Absolute Maximum Ratings
Reference point Pin 4, unless otherwise specified
Parameters
Symbol
V
s
I
S
I
out
P
T
j
Value
6.8 to 13.0
55
5.0
720
+125
Unit
V
mA
mA
mW
C
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á
ááááááááááááááááááááááááááááá
Output current
áááááááááááááááááááááááááááááá
Maximum power dissipation
áááááááááááááááááááááááááááááá
Junction temperature
Supply voltage
Supply current
á
Pin 14
Pin 14
Pin 6
ááá
á
áááááá
á
ááá
á
áááááááááááááááááááááááááááááá
Thermal Resistance
Parameters
Symbol
R
thJA
T
amb
T
stg
Value
60
–25 to +85
–25 to +125
Unit
K/W
°
C
C
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Junction ambient
Ambient temperature
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Storage temperature
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note 1
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