DATA SHEET
Product specification
File under Integrated Circuits, IC02
March 1986
INTEGRATED CIRCUITS
TBA120U
Sound I.F. amplifier/demodulator
for TV
March 1986
2
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
GENERAL DESCRIPTION
The TBA120U is an i.f. amplifier with a symmetrical FM demodulator and an a.f. amplifier with adjustable output voltage.
The a.f. amplifier is also provided with an output for volume control and an input for VCR operation.
The input and output of the TBA120U are especially designed for LC-circuits, but the input can also be used with a
ceramic filter.
QUICK REFERENCE DATA
PACKAGE OUTLINE
14-lead DIL; plastic (SOT27); SOT27-1; 1996 November 19.
Supply voltage (pin 11)
V
p
typ.
12
V
Supply current
I
P
typ.
13,5
mA
I.F. voltage gain at f = 5,5 MHz
G
v if
typ.
68
dB
Input voltage starting limiting
V
i
typ.
30
V
AM suppression at
f =
50 kHz
typ.
60
dB
A.F. output voltage adjustment range (pin 8)
V
o af
typ.
85
dB
A.F. output voltage at
f =
50 KHz (r.m.s. value)
at pin 8
V
o af (rms)
typ.
1,2
V
at pin 12
V
o af (rms)
typ.
1,0
V
March 1986
3
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
Fig.1 Block diagram.
March 1986
4
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
CHARACTERISTICS
V
P
= 12 V; T
amb
= 25
C; f = 5,5 MHz
Supply voltage (pin 11)
V
P
= V
11-1
max.
18
V
(1)
Adjustment voltage (pin 5)
V
5-1
max.
6
V
Total power dissipation
P
tot
max.
400
mW
By-pass resistance
R
13-14
max.
1
k
Storage temperature range
T
stg
-
40 to
+
125
C
Operating ambient temperature range
T
amb
0 to
+
70
C
I.F. voltage gain
G
v if 6-14
typ.
68
dB
Input voltage starting limiting
at
f =
50 kHz; f
m
= 1 kHz
V
i
typ.
30
V
<
60
V
I.F. output voltage at limiting
(peak-to-peak value)
V
o if (p-p)
typ.
250
mV
AM suppression at
f =
50 kHz; V
i
= 500
V;
f
m
= 1 kHz; m = 30%
>
50
dB
typ.
60
dB
I.F. residual voltage without de-emphasis
at pin 12
V
if 12
typ.
30
mV
at pin 8
V
if 8
typ.
20
mV
A.F. voltage gain
G
v af 8-3
typ.
7,5
A.F. adjustment
20 to 36
dB
at R
4-5
= 5 k
; R
5-1
= 13 k
V
o af
typ.
28
dB
A.F. output voltage control range
V
o af
>
70
dB
typ.
85
dB
Adjustment resistor( note 2)
R
4-5
1 to 10
k
D.C. voltage portion at the a.f. outputs
pin 12
V
12-1
typ.
5,6
V
pin 8
V
8-1
typ.
4,0
V
Output resistance of the a.f. outputs
pin 12
R
o 12-1
typ.
1,1
k
pin 8
R
o 8-1
typ.
1,1
k
Input resistance of the a.f. input
R
i 3-1
typ.
2
k
4,2 to 5,3
V
Stabilized reference voltage
V
4-1
= V
ref
typ.
4,8
V
Source resistance of reference
voltage source
R
4-1
typ.
12
March 1986
5
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
Notes
1. Supply voltage operating range is 10 to 18 V.
2. Pin 5 must be connected to pin 4, when volume control adjustment is not applicable.
Hum suppression
at pin 12
V
12
/V
11
typ.
30
dB
at pin 8
V
8
/V
11
typ.
35
dB
Supply current (pin 11)
I
P
= I
11
9,5 to 17,5
mA
typ.
13,5
mA
I.F. input impedance
|Z
i
|
typ.
40 k
/4,5 pF
>
15 k
/
<
6
pF
A.F. output voltage at
f =
50 kHz; f
m
= 1 kHz;
V
i
= 10 mV; Q
o
= 45; r.m.s. value
at pin 12
V
o af (rms)
typ.
1,0
V
at pin 8
V
o af (rms)
typ.
1,2
V
Distortion at
f =
50 kHz; f
m
= 1 kHz;
V
i
= 10 mV; Q
o
= 20
d
tot
typ.
1
%
Fig.2 Application example using TBA120U.
March 1986
6
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
Fig.3
The a.f. output voltage at pin 8 as a function
of the resistance values as shown in Fig.4.
Fig.4 Resistor conditions for curves in Fig.3.
(1) V
o af
with de-emphasis at
f =
50 kHz; fm = 1 kHz;
d
tot
= 1,5%; 0 dB
770 mV.
(2) V
i
: 0 dB
200 mV at 60
.
Fig.5
The a.f. output voltage at pin 8 as a function
of the input voltage with SFC 5,5 MA at the
input (see Fig.2).
(1) V
o af
with de-emphasis at f
m
= 1 kHz; 0 dB
770 mV;
curve a:
f =
50 kHz; d
tot
=
3%;
curve b:
f =
25 kHz; d
tot
= 1%.
(2) V
i
: 0 dB
200 mV at pin 14.
Fig.6
The a.f. output voltage at pin 8 as a function
of the input voltage with broadband input
(60
).
March 1986
7
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
Fig.7
The a.f. output voltages at pins 8 and 1 as a
function of the supply voltage; 0 dB
770
mV.
Fig.8
Total distortion as a function of the a.f.
output voltage change.
____ 0 dB
900 mV over i.f. (pin 8)
- - - - 0 dB
1,15 V (pin 8)
Fig.9
Supply current and the reference voltage at
pin 4 as a function of supply voltage.
March 1986
8
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
PACKAGE OUTLINE
UNIT
A
max.
1
2
(1)
(1)
b
1
c
D
(1)
Z
E
e
M
H
L
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
mm
inches
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
SOT27-1
92-11-17
95-03-11
A
min.
A
max.
b
max.
w
M
E
e
1
1.73
1.13
0.53
0.38
0.36
0.23
19.50
18.55
6.48
6.20
3.60
3.05
0.254
2.54
7.62
8.25
7.80
10.0
8.3
2.2
4.2
0.51
3.2
0.068
0.044
0.021
0.015
0.77
0.73
0.014
0.009
0.26
0.24
0.14
0.12
0.01
0.10
0.30
0.32
0.31
0.39
0.33
0.087
0.17
0.020
0.13
050G04
MO-001AA
M
H
c
(e )
1
M
E
A
L
seating plane
A
1
w
M
b
1
e
D
A
2
Z
14
1
8
7
b
E
pin 1 index
0
5
10 mm
scale
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
DIP14: plastic dual in-line package; 14 leads (300 mil)
SOT27-1
March 1986
9
Philips Semiconductors
Product specification
Sound I.F. amplifier/demodulator for TV
TBA120U
SOLDERING
Introduction
There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and
surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for
surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often
used.
This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our
"IC Package Databook" (order code 9398 652 90011).
Soldering by dipping or by wave
The maximum permissible temperature of the solder is 260
C; solder at this temperature must not be in contact with the
joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds.
The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the
specified maximum storage temperature (T
stg max
). If the printed-circuit board has been pre-heated, forced cooling may
be necessary immediately after soldering to keep the temperature within the permissible limit.
Repairing soldered joints
Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more
than 2 mm above it. If the temperature of the soldering iron bit is less than 300
C it may remain in contact for up to
10 seconds. If the bit temperature is between 300 and 400
C, contact may be up to 5 seconds.
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Short-form specification
The data in this specification is extracted from a full data sheet with the same type
number and title. For detailed information see the relevant data sheet or data handbook.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
PDF 
ZIP