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PDF TDA4452 Data sheet ( Hoja de datos )
| Número de pieza | TDA4452 | |
| Descripción | Video IF Amplifier for Multistandard TV Receiver and VTR Appliances | |
| Fabricantes | TEMIC Semiconductors | |
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TDA4452
Video IF Amplifier for Multistandard TV Receiver and VTR
Appliances
Technology: Bipolar
Features
D Standard B/G-L suitable, processes negatively and
positively modulated IF-signals with equal polarity of
the output signal
D Ultra white inverter and ultrablack limiter for
reducing transmission interference
D Internally noise protected gain control, no flyback
pulses required
D Expanded video frequency response allows the
demodulation of amplitude modulated MAC signals
D High input sensitivity
D Minimal intermodulation distortions
D Small differential error
D Fast AGC by controlled discharge of the AGC
capacitor
D Standard L mode: AGC acting on peak white level,
capacitor discharge control by averaged video signal
Standard B/G: AGC acting on the sync. pulse peak
D Constant input impedance
D Video output voltage with narrow tolerance
D Video input/output for insertion of external sound trap
D VTR input/output with video switch
D Adjustable, delayed AGC for the tuner
D ESD protected
Case: DIP18
TELEFUNKEN Semiconductors
Rev. A1, 15-Aug-96
Figure 1. Block diagram
1 (11)
1 page  
TDA4452
Parameters
Sync. pulse level
Video switch bandwidth
Output current
Cross talk
VTR output,
Composite video output
(inverted)
Sync. pulse level
Output current
Test Conditions / Pins
Pin 6
–3 dB
Pin 6
V6 = 5 V
Pin 6
v3 = 1 V
Pin 6
50 Hz to 10 MHz sin
v1–18 = 0 V, V2 = 0 V,
V16 = 4 V
Pin 4
V7= 2 Vpp (peak to peak)
V4 = 10 V
Symbol Min. Typ. Max.
V6 2.0
B 10
I6 2.0
55
v4(pp)
V4
I4
2.0
VS – 2.6
2.0
Unit
V
MHz
mA
dB
V
V
mA
Figure 2. Test circuit
TELEFUNKEN Semiconductors
Rev. A1, 15-Aug-96
5 (11)
5 Page 
TDA4452
Ozone Depleting Substances Policy Statement
It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems
with respect to their impact on the health and safety of our employees and the public, as well as their impact on
the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances ( ODSs).
The Montreal Protocol ( 1987) and its London Amendments ( 1990) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban
on these substances.
TEMIC TELEFUNKEN microelectronic GmbH semiconductor division has been able to use its policy of
continuous improvements to eliminate the use of ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency ( EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively.
TEMIC can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain
such substances.
We reserve the right to make changes to improve technical design and may do so 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
TELEFUNKEN Semiconductors
Rev. A1, 15-Aug-96
11 (11)
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TDA4452.PDF ] | |
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