UTC TA2003 LINEAR INTEGRATED CIRCUIT
AM/FM RADIO IC
DESCRIPTION
The UTC TA2003 is AM/FM Radio IC ( FM F/E +
AM/FM IF ) which is designed for AM/FM Radios.
FEATURES
* FM IFT,AM IFT and FM Detector Coil aren’ t needed.
* Operating Supply Voltage Range
* VCC( opr ) = 1.8 ~ 7V ( Ta=25°C).
BLOCK DIAGRAM
AM
FM
15 14 13 12 11 10 916
AM
RF
IN
AM
RF
FM
RF
RF IN
2 3 4 5 6 7 81
FM
RF
OUT
GND1FM
AM/
FM
SW
FM/AM
SW
FM
MIXAMMIX
FM
MIX
FM
OSCAMOSC
FM
OSCAMOSC
AM
MIX
AM
DET
AGC
AGC Vcc AM
DET
OUT
QUAD GND2
FM
DET
AM
IF
IF INFMIF IN
SOP-16
DIP-16
Vcc
FM
IF
BPF
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
1
UTC TA2003 LINEAR INTEGRATED CIRCUIT
50pf
50pf
50pf
50pf
50pf
50pf
EXPLANATION OF TERMINAL
TERMINAL VOLTAGE : Typical DC voltage at Ta=25°C, Vcc=3V and no signal with Test Circuit
NO SYMBOL CONTENTS INTERNAL
CIRCUIT
FM RF OUT
GND
15
1
1K
2
1 FM AF IN Input of FM RF Amplifier
TERMINAL VOLTAGE
AM FM
0 0.7
2 GND1 GND for RF, DSC and MIX Stage - 0 0
3 FM MIX Output of FM MIX
FM RF OUT
GND
GND
GND
GND
1
2
1
2
1
2
1
2
15
FM RF OUT
15
FM RF OUT
15
FM RF OUT
15
1K
1K
1K
1K
4 AM MIX Output of AM MIX
5 AGC By pass of AM AGC
6 Vcc - - 3.0 3.0
7 AM IF IN Input of AM IF Amplifier
8 FM IF IN Input of FM IF Amplifier
AM / FM
SW
GND1
14
0.4 1.7
3
2
0.6 0
0 0
3.0 3.0
3.0 3.0
9 GND2 GND for IF stage - 0 0
FM QUAD Detector
Ceramic Discriminator is
10 QUAD
connected.
Recommendation
FM RF OUT
15
1
1K
GND
2
2.5 2.2
CDA 10.7MG31 (MURATA
MFG. CO., LTD)
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
2
UTC TA2003 LINEAR INTEGRATED CIRCUIT
50pf
50pf
50pf
50pf
50pf
NO SYMBOL CONTENTS INTERNAL
TERMINAL VOLTAGE
CIRCUIT
FM RF OUT
GND
GND
GND
GND
GND
1
2
1
2
1
2
1
2
1
2
15
FM RF OUT
15
FM RF OUT
15
FM RF OUT
15
FM RF OUT
15
1K
1K
1K
1K
1K
11 DET OUT Output of FM/AM Detector
12 AM OSC AM local Oscillator Terminal
Oscillator Coil is connected.
13 FM OSC FM local Oscillator Terminal
Oscillator Coil is connected
14 AM/FM SW AM/FM switch connected to
Pin14 Vcc->FM mode
Pin14 OPEN->AM mode
15 FM RF OUT FM RF Coil is conected cf. PIN 1 3.0 3.0
16 AM RF IN input of AM RF Amplifier
AM FM
1.4 1.1
3.0 3.0
0.9 3.0
0.9 3.0
3.0 3.0
UTC UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-011,A
UTC TA2003 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL VALUE UNITS
Supply Voltage Vcc 8 V
Power Dissipation DIP-16 PD(Note) 750 mW
SOP-16 350
Operating Temperature Topr -25~75 °C
Storage Temperature Tstg -55~150 °C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified,Ta=25°C,VCC=3V, FE : f = 98MHz, fm = 1KHz
FM IF : f = 10.7MHz, fm = 1KHz
AM : f = 1MHz, MOD = 30%, fm = 1 KHz
PARAMETER SYMBOL TEST
CIRC-
Supply Current Icc (FM) 1 FM Mode, Vin=0 - 10.5 16.5 mA
Icc (AM) 1 AM Mode, Vin=0 - 5.0 8.0
Input Limiting Voltage Vin(lim) 1 -3dB limiting point - 12 - dB V EMF
F/E Qulescent Sensitivlty Qs 1 S/N=30dB - 12 - dB V EMF
Local OSC Voltage Vosc 2 fosc=108MHz 160 240 320 mVrms
Local OSC Stop Voltage Vstop(FM) 2 Vin=0 - 1.2 - V
Input Limiting Voltage Vin(lim) IF 1 -3dB limiting point 42 47 52 dB V EMF
FM Aecovered Output Voltage VOD 1 Vin=80dB V EMF 50 70 90 mVrms
IF Signal To Noise Ratio S/N 1 Vin=80dB V EMF - 62 - dB
Total Harmonic Distortion THD 1 Vin=80dB V EMF - 0.4 - %
AM Rejection Ratio AMR 1 Vin=80dB V EMF - 33 - dB
Voltage Gain Gv 1 Vin=27dB V EMF 15 32 50 mVrms
AM Recovered Output Voltage VOD 1 Vin=60dB V EMF 35 60 85 mVrms
Signal To Noise Ratio S/N 1 Vin=60dB V EMF - 43 - dB
Total Harmonic Distortion THD 1 Vin=60dB V EMF - 1.0 - %
Local DSC Stop Voltage Vstop (AM) 1 Vin=0 - 1.6 - V
TEST CONDITIONS MIN TYP MAX UNIT
UIT
COIL DATA (Test circuit)
COIL NO. TEST
FREQ
(Hz) (mH) (pF) 1-2 2-3 1-3 1-4 4-6
L1 FM RF 100M - - 100 - - - 2.25 - 0.5 UEW
L2 FM
OSC
L3 AM
OSC
100M - - 100 - - 1.75 - - 0.5 UEW
796K 26B - 125 14 86 - - - 0.06 UEW
L Co Qo TURNS WIRE
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
4
UTC TA2003 LINEAR INTEGRATED CIRCUIT
L1 , L2
V.C.
L3
TEST CIRCUIT 1
AM RF IN
Vin
FM RF IN
£[
75
Vin
Vin
3
1
£[
75
FM IF IN
£[
75
BPF
£[
75
0.022uF
2.2 k
3
12
PIN
2
1
4
6
Vcc
22uF
-
£[
20 k
L 2
15pF
AM/
FM
SW
OSCAMOSC
FM
MIX
OSCAMOSC
FM
MIX
+
0.047uF
FM
AGC
AM
33uF
AMFM
£[
1k
4700pF
4700pF
L 3
DET
OUT
FM
DET
AM
DET
AMIFFM
AGC Vcc AM
SFU455C5
CDA10.7MG31
QUAD GND2
IF
IF INFMIF IN
SFE10.7MA5L
Vcc
0.01uF
+
220uF
-
DET OUT
AM
2.2 mH
£[
FM
L 1
0.01uF
15 14 13 12 11 10 916
AM
FM
RF
RF
IN
OUT
FM/AM
SW
AM
RF
FM
RF
RF IN
2 3 4 5 6 7 81
GND1FM
FM
MIXAMMIX
SFE10.7MA5L
£[
270
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
5
UTC TA2003 LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT 2
Vcc ( 3V )
+
0.01uF
220uF
-
+
0.01uF
220uF
-
RF IN
15 14 13 12 11 10 916
AM
FM RF
AM/FM
RF IN
OUT
FM
GND1
2 3 4 5 6 7 81
SW
FM
MIXAMMIX
FM
OSCAMOSC
UTC TA2003
DET
OUT
AGC
Vcc
QUAD
AM
IF INFMIF IN
GND2
2.2 k
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
6
Loading...