UTC TA8127
LINEAR INTEGRATED CIRCUIT
3V AM / FM 1 CHIP TUNER IC
DESCRIPTION
The UTC TA8127 is the AM / FM 1 chip tuner IC, which is
designed for Portable Radios and 3V Headphone Radios.
SSOP-24
FEATURES
*Built-in FM F/E, AM / FM IF and FM MPX
*AM Detector Coil and IF Coupling Condenser are not
needed.
*Operating Supply Voltage Range
Vcc=1.8~7.0V (Ta=25°C)
SDIP-24
*Pb-free plating product number: TA8127L
BLOCK DIAGRAM
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R110-017,A
UTC TA8127
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
VALUE
UNIT
V
mA
V
mW
ABSOLUTE MAXIMUM RATINGS
(TA=25°C)
Supply Voltage
Vcc
8
LED Current
I
LED
10
LED Voltage
V
LED
8
Power Dissipation
P
D (note)
SSOP
400
SDIP
1200
Operating Temperature
T
OPR
-25 to +75
Storage Temperature
T
STG
-55 to +150
Note: Derated above 25°C in the proportion of 9.6mW/°C for SDIP and of 3.2mW/°C for SSOP.
°C
°C
ELECTRICAL CHARACTERISTICS
(U
nless otherwise specified,
Ta=25
°C,
Vcc=3V,
F/E: f=83MHz, fm=1kHz
FM IF : f=10.7MHz,
∆f=±22.5kHz,
fm=1kHz
AM : f=1MHz, MOD=30%, fm=1kHz
MPX : fm=1kHz )
*
TEST CONDITIONS
MIN
SYMBOL
Icc(FM)
1
Vin=0, FM Mode
Icc(AM)
1
Vin=0, AM Mode
Vin(lim.)
1
-3dB Limiting
V
OSC
2
f
OSC
=72.3MHz
Vin(lim.) IF 1
-3dB Limiting
40
V
OD
1
Vin=80dBµV EMF
55
S/N
1
Vin=80dBµV EMF
THD
1
Vin=80dBµV EMF
AMR
1
Vin=80dBµV EMF
V
L
1
I
L
=1mA
45
Gv
1
Vin=26dBµV EMF
40
V
OD
1
Vin=60dBµV EMF
55
S/N
1
Vin=60dBµV EMF
THD
1
Vin=60dBµV EMF
V
L
1
I
L
=1mA
20
R19
1
FM Mode
AM Mode
PARAMETER
Supply Current
F / E Input Limiting Voltage
Local OSC Voltage
FM IF Input Limiting Voltage
Recovered Output Voltage
Signal to Noise Ratio
Total Harmonic Distortion
AM Rejection Ratio
Lamp ON Sensitivity
AM
Gain
Recovered Output Voltage
Signal to Noise Ratio
Total Harmonic Distortion
Lamp on Sensitivity
Pin 19 Output Resistance
TYP MAX
13.2
8.4
10.0
105
46
80
70
0.4
32
51
70
80
42
1.0
25
0.75
12.5
20.0
13.5
UNIT
mA
mA
dBµV EMF
mVrms
53 dBµV EMF
110
mVrms
dB
%
dB
56 dBµV EMF
110
mVrms
110
mVrms
dB
%
30 dBµV EMF
kΩ
*TEST CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-017,A
UTC TA8127
PARAMETER
Input Resistance
Output resistance
Max. Composite Signal Input
Voltage
Separation
LINEAR INTEGRATED CIRCUIT
SYMBOL
RIN
ROUT
Vin(max.)
STEREO
Sep
*
-
-
1
1
TEST CONDITIONS
MIN TYP MAX
24
5
350
42
42
42
0.2
0.2
-5
-2
2
-3
0
8
6
2
±3
70
-1
2
16
UNIT
kΩ
kΩ
mVrms
dB
Monaural
MPX
Total Harmonic
Distortion
Stereo
Voltage Gain
Channel Balance
Stereo Lamp ON
Sensitivity OFF
Stereo Lamp Hysteresis
Capture Range
Signal to Noise Ratio
*TEST CIRCUIT
THD
(MONAURAL)
THD
(STEREO)
GV(MPX)
C.B.
V
L
(ON)
V
L
(OFF)
V
H
C.R.
S/N
L+R=90%, P=10%,
fm=1kHz, THD=3%
L+R=135mVrm, fm=100Hz
P=15mVrms fm=1kHz
fm=10kHz
Vin=150mVrms
L+R=135mVrm,
P=15mVrms
Vin=150 mVrms
Vin=150 mVrms
Pilot Input
Pilot Input
To LED turn off from LED
turn on
P=15mVrms
Vin=150mVrms
35
%
%
dB
dB
mVrms
mVrms
mVrms
%
dB
1
1
1
1
1
1
1
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-017,A
UTC TA8127
TEST CIRCUIT 1
LINEAR INTEGRATED CIRCUIT
UTC TA8127
NOTE: POLYESTER FILM CONDENSER
Using other types of condensers, there are some
cases that the MPX does not do normal stereo action
at high temperature or low temperature.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R110-017,A
UTC TA8127
TEST CIRCUIT 2
LINEAR INTEGRATED CIRCUIT
UTC TA8127
COIL DATA
COIL NO.
TEST
L
Co
FREQ.
(Hz) (µH) (pF)
100M
100M
796K 288
10.7M
455k
10.7M
Qo
1-2
100
100
115
75 100
180 120
47 165
13
73
13
180
16
2
15
2.75
2-3
TURNS
1-3
1-4 4-6
2.5
WIRE
REFERENCE
(mmΦ)
0.5UEW
S
53T-037-202
0.5UEW
S
0258-244
0.08UEW
S
4147-1356-038
0.1UEW
S
2153-414-041
0.08UEW
S
2150-2162-165
0.09UEW
S
2153-4095-122
L1 FM RF
L2 FM OSC
L3 AM OSC
T1 FM MIX
T2 AM MIX
T3 FM DET
S
: SUMIDA ELECTRIC CO., LTD
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R110-017,A