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参数资料
| 型号： | TK14489V |
| 厂商： | TOKO INC |
| 元件分类： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PDSO20 |
| 封装： | TSSOP-20 |
| 文件页数： | 12/25页 |
| 文件大小： | 2570K |
| 代理商： | TK14489V |
TK14489V
GC3-E011E
Page 2
Narrow Band FM IF
TK14489V
1. DESCRIPTION
The TK14489V for use
in FM dual
conversion
communications equipment. This device includes a local
oscillator, mixer, IF limiting amplifier, quadrature
detector, filter amplifier, squelch.
2. FEATURES
Low supply current 3.2mA typical @ V
CC =5.0V.
Wide V
OP range: operates from 2.5 to 8.5V Supply.
Excellent sensitivity: -3dB limiting sensitivity=6dB
typical @ V
CC =5.0V.
Excellent Sensitivity: 12dB SINAD=8dB typical @
V
CC=5.0V.
Ceramic discriminator is available.
RSSI with wide dynamic range and excellent temp-
erature characteristics.
Very small package TSSOP-20
3. APPLICATIONS
Amateur radio transceiver
Cordless phone
Weather band car tuner
Remote Controls
Other Communication Equipment
4. PIN CONFIGURATION/BLOCK DIAGRAM
1
2
OSC
MIXER
4
SQUELCH
5
6
7
8
FILTER
AMP
QUAD DET
10pF
14
13
15
16
17
19
20
OSC(B)
OSC(E)
MIXER OUT
V
CC
IF INPUT
DECOUPLE
QUAD COIL
AF OUTPUT
FILTER AMP
INPUT
FILTER AMP
OUTPUT
SQUELCH
INPUT
SCAN
CONTROL
GND
RF INPUT
SCAN
CONTROL
3
NC
10
9
PHASE
SHIFT
18
12
11
S.METER
OUTPUT
HYSTERESIS
CONTROL
S.DET
1.5k
AMP
1.5k
IF
AMP
5. ABSOLUTE MAXIMUM RATINGS
T
a=25°C
Parameter
Symbol
Rating
Units
Conditions
Supply Voltage
V
CC
10.0
V
Power Dissipation
P
D
210
mW
*
Storage Temperature Range
T
stg
-55 ~ +150
°C
Operating Temperature Range
T
OP
-40 ~ +85
°C
Input Frequency
f
MAX
~ 130
MHz
Operating Voltage Range
V
OP
2.5 ~ 8.5
V
* P
D must be decreased at rate of 1.68mW/°C for operation at 25°C.
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