ka22427 Unisonic Technologies, ka22427 Datasheet

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ka22427

Manufacturer Part Number
ka22427
Description
1 Chip Af/fm Reception Circuit
Manufacturer
Unisonic Technologies
Datasheet
1.KA22427.pdf (3 pages)

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Part Number
Manufacturer
Quantity
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Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
KA22427
Manufacturer:
SAMSUNG
Quantity:
5 510
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
KA22427
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Quantity:
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Company:
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UTC KA22427
I-CHIP AM/FM RADIO IC
DESCRIPTION
that is suitable for portable radio applications.
AM amplifier, local OSC, AM mixer, AM/FM amplifier, AM
AGE, FM AGE circuit and also class b Audio Power Amplifier.
FEATURES
*Low external components count.
*Wide operating voltage : 3 - 13 V.
*Internal regulated supply for constant current operation.
*DC selection of AM/FM mode.
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATING
NOTE:Ta>25°C, DERATE WITH 10mW/°C UNLESS SPECIFIED.
UTC
SUPPLY VOLTAGE
SUPPLY CURRENT
POWER DISSIPATION
THERMAL RESISTANCE
OPERATING TEMPERATURE
STORAGE TEMPERATURE
UTC KA22427 is a one-chip AM/FM radio integrated circuit
PARAMETER
AM local
AM IF OUT
OSC
AM LO
AM HF MIXER
UNISONIC TECHNOLOGIES CO., LTD.
4
5
AM HF IN
6
HF GND
3
LINEAR INTEGRATED CIRCUIT
HF bypass
AM/FM IN
7
2
(Ta=25°C)
SYMBOL
IF bypass
detector
TOPX
TSTG
Audio
RJ-A
VCC
1
8
It includes
ICC
out
PD
AM/FM IF
amplifier
Audio
Audio in
9
bypass
AGC
16
Suppression
10
Ripple
AM/FM
15
OUT
discriminato
AM/FM
IF Detector IN
-40~125
Audio GND
VALUE
-18~65
14
11
600
100
11
44
Audio power
12
out
Regulator
13
+Vcc
UNIT
°C/W
mW
mA
°C
°C
V
QW-R110-002,A
DIP-16
1

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ka22427 Summary of contents

Page 1

... UTC KA22427 LINEAR INTEGRATED CIRCUIT I-CHIP AM/FM RADIO IC DESCRIPTION UTC KA22427 is a one-chip AM/FM radio integrated circuit that is suitable for portable radio applications. AM amplifier, local OSC, AM mixer, AM/FM amplifier, AM AGE, FM AGE circuit and also class b Audio Power Amplifier. FEATURES *Low external components count. *Wide operating voltage : ...

Page 2

... UTC KA22427 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Quiescent Circuit ICCQ Current Pin 16 Terminal V16(FM) Voltage Limiting Voltage VIN(lim) Internal Regulated VCC Voltage Pin 16 Voltage V16(AM) Signal to Noise VO SW1→AM,VCC=12V,VIN=37dB Ratio Maximum Sensitivity S/N Power Output POUT SW2→8Ω,VCC=5.5V,f=1KHZ ...

Page 3

... UTC UNISONIC TECHNOLOGIES CO., LTD. V13 470 µ 470 µ 4.7kΩ 0.001 µF 10pF UTC KA22427 22kΩ 0.022 µF 0.01 µ 0.047 µF 51pF 3 50Ω ...

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