TEMIC TBA120T

TBA120T
TELEFUNKEN Semiconductors
FM IF amplifier and demodulator
Technology: Bipolar
Features
Input and demodulator provided for operating with
ceramic-resonators
No selection of volume-input characteristics
Independent sound output for VTR and headphone
Additional sound input
High ripple rejection
High residual carrier suppression prevents harmonic
distortions
Case: 14 pin dual inline plastic
Figure 1 Block diagram
Pin Configuration
Pin
1
2, 13
3
4
5
Symbol
GND
Vi(AF)
Vref
V5
Rev. A1: 20.12.1994
Function
Ground
Feedback
AF input – SCART
Reference voltage
Volume control
Pin
6,7,9,10
8
11
12
14
Symbol
Vo(AF)1
VS
Vo(AF)2
Vi(IF)
Function
FM demodulator filter
AF output – controlled
Supply voltage
AF output – uncontrolled
IF input
1
TBA120T
TELEFUNKEN Semiconductors
Absolute Maximum Ratings
Reference point pin 1, unless otherwise specified
Parameters
Supply voltage
Pin 11
Volume setting voltage
Pin 5
Reference supply current
Pin 4
Power dissipation
Tamb = 60°C
Ambient temperature range
Storage temperature range
Symbol
VS
V5
IRef
Ptot
Tamb
Tstg
Value
18
6
5
400
–15 to +70
–25 to +125
Unit
V
V
mA
mW
°C
°C
Electrical Characteristics
Tamb = +25°C, VS = 12 V, f = 5.5 MHz, Figure 3, reference point pin 1, unless otherwise specified
Parameters
Supply voltage range
Supply current
Reference voltage
Output resistance
Frequency range
IF voltage gain
Limited IF output voltage
Input limiting voltage
Input impedance
AM rejection
DC voltage at AF output
Ripple rejection
IF residual voltage
AF output voltage
Output resistance
AF voltage amplification
AF damping
Volume setting range
Input resistance
Mute function
Switching current
Switching voltage
2
Test Conditions / Pins
Pin 11
Pin 11
Pin 4
Pin 4
Pin 6/14
Pin 6 – 10
f = 50 kHz,
fmod = 1 kHz
Pin 14
Pin 14
m = 30 %, f = 50 kHz,
Vi = 500 V, fmod = 1 kHz
Vi = 0
Pin 8
Pin 12
Pin 11/8
Pin 11/12
without de-emphasis
capacitor
Pin 8
Pin 12
Vi = 10 mV,
f =50 kHz,
fmod = 1 kHz, R5 = 20 k
Pin 8
Pin 12
Pin 8, 12
R5 = 20 k,
Pin 8/3
R5 = 13 k, Fig. 3 Pin 8
Pin 8
Pin 3
Pin 2 or 13
Figure 2
Symbol
VS
IS
VoRef
rRef
f
GIF
Vo(IF)pp
Vi(IF)
Ri
Ci
kAM
Min.
10
9.5
4.2
50
Typ.
4.8
12
0 to 12
68
250
30
800
5
60
Max.
18
17.5
5.5
Unit
V
mA
V
MHz
dB
mV
60
V
pF
dB
Vo(AF)1
Vo(AF)2
kBr
kBr
4
5.6
35
30
V
V
dB
Vo(IF)1
Vo(IF)2
20
30
mV
900
650
mV
mV
1.1
7.5
30
85
2
34
k
dB
dB
dB
k
400
A
Vo(AF)1
Vo(AF)2
ro
Gv1
–Gv1
Vo(AF)1
ri
650
400
24
70
Isw
Vmute
3
V
Rev. A1: 20.12.1994
TBA120T
TELEFUNKEN Semiconductors
Figure 2
Figure 3 Test circuit
Rev. A1: 20.12.1994
3
TBA120T
TELEFUNKEN Semiconductors
Dimensions in mm
Package: JEDEC MO 001, DIP 14-leads
We reserve the right to make changes to improve technical design without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer
application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized application,
the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of, directly or
indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use.
TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax Number: 49 ( 0 ) 7131 67 2423
4
Rev. A1: 20.12.1994