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PDF KA22427 Data sheet ( Hoja de datos )
| Número de pieza | KA22427 | |
| Descripción | LINEAR INTEGRATED CIRCUIT | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UTCKA22427 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. It includes
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
AM IF OUT
4
HF GND AM/FM INIF bypass
321
AGC
bypass
16
AM/FM
OUT
15
IF Detector IN
14
+Vcc
13
AM HF MIXER
AM/FM IF
AM/FM
discriminato
Regulator
DIP-16
AM LO
Audio
amplifier
56
7
AM local
OSC
AM HF IN
HF bypass
8 9 10
Audio Audio in Ripple
detector
Suppression
out
11 12
Audio GNDAudio power
out
ABSOLUTE MAXIMUM RATING(Ta=25°C)
PARAMETER
SYMBOL
SUPPLY VOLTAGE
VCC
SUPPLY CURRENT
ICC
POWER DISSIPATION
PD
THERMAL RESISTANCE
RJ-A
OPERATING TEMPERATURE
TOPX
STORAGE TEMPERATURE
TSTG
VALUE
11
44
600
100
-18~65
-40~125
UNIT
V
mA
mW
°C/W
°C
°C
NOTE:Ta>25°C, DERATE WITH 10mW/°C UNLESS SPECIFIED.
UTC UNISONIC TECHNOLOGIES
CO., LTD.
1
QW-R110-002,A
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet KA22427.PDF ] | |
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