UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R110-011,A
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).
DIP-16
SOP-16
BLOCK DIAGRAM
15
14
13
12
11
10
9
16
2
3
4
5
6
7
8
1
FM/AM
SW
FM
OSC
AM
OSC
FM
DET
AM
RF
FM
RF
AM
IF
FM
IF
FM
MIX
AM
MIX
AGC
AM
DET
AM
RF
IN
FM
RF
OUT
AM/
FM
SW
FM
OSC
AM
OSC
DET
OUT
QUAD
GND2
GND1
FM
RF IN
FM
MIX
AM
MIX
AGC
Vcc
AM
IF IN
FM
IF IN
BPF
Vcc
AM
FM
UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-011,A
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
TERMINAL VOLTAGE
AM
FM
1
FM AF IN
Input of FM RF Amplifier
15
1
2
GND
FM RF OUT
1K
50pf
0
0.7
2
GND1
GND for RF, DSC and MIX Stage
-
0
0
3
FM MIX
Output of FM MIX
3
14
2
GND1
AM / FM
SW
0.4
1.7
4
AM MIX
Output of AM MIX
15
1
2
GND
FM RF OUT
1K
50pf
0.6
0
5
AGC
By pass of AM AGC
15
1
2
GND
FM RF OUT
1K
50pf
0
0
6
Vcc
-
-
3.0
3.0
7
AM IF IN
Input of AM IF Amplifier
15
1
2
GND
FM RF OUT
1K
50pf
3.0
3.0
8
FM IF IN
Input of FM IF Amplifier
15
1
2
GND
FM RF OUT
1K
50pf
3.0
3.0
9
GND2
GND for IF stage
-
0
0
10
QUAD
FM QUAD Detector
Ceramic Discriminator is
connected.
Recommendation
CDA 10.7MG31 (MURATA
MFG. CO., LTD)
15
1
2
GND
FM RF OUT
1K
50pf
2.5
2.2
UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-011,A
NO
SYMBOL
CONTENTS
INTERNAL
CIRCUIT
TERMINAL VOLTAGE
AM
FM
11
DET OUT
Output of FM/AM Detector
15
1
2
GND
FM RF OUT
1K
50pf
1.4
1.1
12
AM OSC
AM local Oscillator Terminal
Oscillator Coil is connected.
15
1
2
GND
FM RF OUT
1K
50pf
3.0
3.0
13
FM OSC
FM local Oscillator Terminal
Oscillator Coil is connected
15
1
2
GND
FM RF OUT
1K
50pf
0.9
3.0
14
AM/FM SW
AM/FM switch connected to
Pin14 Vcc->FM mode
Pin14 OPEN->AM mode
15
1
2
GND
FM RF OUT
1K
50pf
0.9
3.0
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
15
1
2
GND
FM RF OUT
1K
50pf
3.0
3.0
UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R110-011,A
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-
UIT
TEST CONDITIONS
MIN
TYP MAX
UNIT
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
COIL DATA (Test circuit)
COIL NO.
TEST
FREQ
L
Co
Qo
TURNS
WIRE
(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
100M
-
-
100
-
-
1.75
-
-
0.5 UEW
L3 AM
OSC
796K
26B
-
125
14
86
-
-
-
0.06 UEW
UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R110-011,A
3
1
L1 , L2
3
1
2
4
6
V.C.
Vcc
12
PIN
L3
TEST CIRCUIT 1
15
14
13
12
11
10
9
16
2
3
4
5
6
7
8
1
FM/AM
SW
FM
OSC
AM
OSC
FM
DET
AM
RF
FM
RF
AM
IF
FM
IF
FM
MIX
AM
MIX
AGC
AM
DET
AM
RF
IN
FM
RF
OUT
AM/
FM
SW
FM
OSC
AM
OSC
DET
OUT
QUAD
GND2
GND1
FM
RF IN
FM
MIX
AM
MIX
AGC
Vcc
AM
IF IN
FM
IF IN
Vcc
AM
FM
2.2 mH
2.2 k
[
0.022uF
75
[
L 1
L 2
L 3
AM
FM
0.01uF
15pF
4700pF
CDA10.7MG31
0.01uF
+
-
220uF
22uF +
-
20 k
[
0.047uF
4700pF
DET OUT
1k
[
SFE10.7MA5L
SFE10.7MA5L
75
[
Vin
AM RF IN
75
[
Vin
BPF
75
[
Vin
FM RF IN
FM IF IN
270
[
33uF
SFU455C5
UTC TA2003
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
6
QW-R110-011,A
TEST CIRCUIT 2
15
14
13
12
11
10
9
16
2
3
4
5
6
7
8
1
AM
RF IN
FM RF
OUT
AM/FM
SW
FM
OSC
AM
OSC
DET
OUT
QUAD
GND2
GND1
FM
RF IN
FM
MIX
AM
MIX
AGC
Vcc
AM
IF IN
FM
IF IN
UTC TA2003
+
-
220uF
+
-
220uF
Vcc ( 3V )
0.01uF
0.01uF
2.2 k
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