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Details, datasheet, quote on part number:UTCKA22427
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Datasheet text preview:
UTC KA22427
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
I-CHIP AM/FM RADIO IC
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.
DIP-16
BLOCK DIAGRAM
AM IF OUT AM/FM IN HF GND IF bypass AGC bypass AM/FM OUT IF Detector IN +Vcc
4
3
2
1
16
15
14
13
Regulator
AM/FM IF AM HF MIXER
AM/FM discriminato
Audio amplifier AM LO
5
AM local OSC
6
AM HF IN
7
HF bypass
8
9
10
11
12
Audio Audio in Ripple detector Suppression out
Audio GND Audio power out
ABSOLUTE MAXIMUM RATING(Ta=25°C)
PARAMETER
SUPPLY VOLTAGE SUPPLY CURRENT POWER DISSIPATION THERMAL RESISTANCE OPERATING TEMPERATURE STORAGE TEMPERATURE
SYMBOL
VCC ICC PD RJ-A TOPX 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
UTC KA22427
PARAMETER
Quiescent Circuit Current
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
SW1FM,VCC=3V SW1FM,VCC=9V
ELECTRICAL CHARACTERISTICS
SYMBOL
ICCQ
MIN
7 10 2.0
TYP
12 17 2.4 57
MAX
17 23 3.1
UNIT
mA
Pin 16 Terminal Voltage Limiting Voltage Internal Regulated Voltage Pin 16 Voltage Signal to Noise Ratio Maximum Sensitivity Power Output Total Harmonic Distortion Voltage Gain
V16(FM) VIN(lim) VCC V16(AM) VO S/N POUT THD GV
S W 1 FM,ICC=42mA S W 1 FM,VCC=5.5V,-3dB V16=2.4V,VR=Min. SW1AM,ICC=42mA SW1AM,VCC=9V SW1AM,VCC=12V,VIN=37dB SW245 ,V16=1.4V SW1AM,VCC=5.5V, SW28 ,VIN=37.5dB SW28 ,VCC=5.5V,f=1KHZ VR=Min. VR=Min. THD=10% SW245 ,ICC=42mA,f=1KHZ VOUT=2V SW28 ,VCC=5.5V,f=1KHZ VR=Min.
V dBµV
12.5 1.4 1.5 15 0.28
13.2
14.0 1.9
V V V dB
3.0 20
W 0.5 40 4.0 % dB
INPUT - OUTPUT IMPEDANCE(Ta=25°C,VCC=6V)
PARAMETER
Pin 2 Input ( AM ) Impedance ( AM ) Pin 2 Input ( FM ) Impedance ¨ £ FM © £ Pin 4 Output Impedance Pin 6 Input Impedance Pin 14 Input ( AM ) Impedance ¨£ © £ AM Pin14 Input ( FM ) Impedance ¨ £ FM © £ Pin15 Output ( AM ) Impedance ¨£ © £ AM Pin15 Output ( FM ) Impedance ¨ £ FM © £
SYMBOL
Rip2(AM) Cip2(AM) Rip2(FM) Cip2(FM) Rop4 Cop4 Rip6 Cip6 Rip14(AM) Cip14(AM) Rip14(FM) Cip14(FM) Rop15(AM) Cop15(AM) Rop15(FM) Cop15(FM)
TEST CONDITIONS
f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ f=465KHZ f=465KHZ f=1MHZ f=1MHZ f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ
MIN
TYP
200 3 30 3.5 300 6 50 5 300 3.5 300 4 300 5.5 300 6
MAX
UNIT
K pF K pF K pF K pF K pF K pF K pF K pF
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-002,A
UTC KA22427
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
V16
1 2 3 4 6
V13
Vcc Icc
470 µF
0.047 µF
220pF
OUTPUT
470 µF SW2
1.2k
4
3 2
470 µF 8 220 µF 45
4
3 2
6
1
4.7k 0.001 µF
GND
FM AM
SW1
6
1
10pF
16
15
14
13
12
11
10
9
UTC KA22427
Rg=50
22k
HF SIGNAL
~
1
1
2
3
4
5
6
7
8
0.022 µF 3.3 µF
6
3 2
4
4
3 2
0.01 µF
5k
2 3 4
680pF
1
6
6
1
2pF Rg=600 220pF 50¦¸
6 4 3 2 1
51pF
0.047 µF 50
AUDIO SIGNAL
~
0.022 µF
0.022 µF
FM AM SW1
FM IF INOUT
AM HF INPUT
VOD
INPUT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-002,A
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