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PDF TEA2031A Data sheet ( Hoja de datos )
| Número de pieza | TEA2031A | |
| Descripción | COLOR TV EAST-WEST CORRECTION | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TEA2031A
COLOR TV EAST-WEST CORRECTION
FEATURES SUMMARY
■ BUILD IN FRAME PARABOLA FROM
EXTERNAL SAW-TOOTH
Figure 1. Package
■ PARABOLA CORRECTION ADJUSTMENT
■ KEYSTONE CORRECTION ADJUSTMENT
■ LINE SIZE ADJUSTMENT
■ LINE DYNAMIC CORRECTION POSSIBILITY
(beam current)
)■ D CLASS OUTPUT MODULATOR WITH
t(sBUILD IN RECOVERY DIODE
c■ 50 OR 60Hz OPERATION
du■ LOW DISSIPATION
ro■ FEW EXTERNAL COMPONENTS
lete PDESCRIPTION
oThe TEA2031A is intended to ensure frame rate
smodulated parabolic and keystone corrections to
bthe horizontal deflection circuitry of 110° color TV
Osets.
-The linear frame saw-tooth is applied to appropri-
)ate circuitry from which a corresponding parabolic
t(swaveforms is obtained. This waveform is then fed
cto a comparator together with the linear line saw-
utooth for comparison. Comparator’s output drives
dthe output power stage which is capable of sinking
rothe external coil currents of up to 0.5A.
PAn internal recovery diode feeds back to the power
supply the coil fly-back current pulses of as high as
Obsolete0.5A.
8
1
DIP8
(Plastic Package)
April 2004
REV. 2
1/11
1 page  
TEA2031A
Table 5. MAXIMUM DISSYMMETRICAL PARABOLA FOR MAXIMUM KEYSTONE EFFECT
(see Figure 4)
Symbol
Parameter
Min. Typ. Max.
V7H – V7B Parabola Amplitude (V2 = 2V or V2 = 3V ; V1 mean = 2.5V ; V1pp = 3V) 5.3 8.5 9.2
Unit
V
-V----7----H-----–-----V----7----B-- Parabola Amplitude Ratio
V7H – V7A
0.8 1 1.2
Table 6. DIFFERENTIAL AMPLIFIER
Symbol
Parameter
Min. Typ. Max. Unit
Input 8 Sink Current Source
0.04 0.06 mA
∆I8 = F(θ) Input 8 Current Drift Versus Temperature
0.1 %/mW
Transfer Characteristics (pins 7-8) (F = 1MHz)
5 500 µV
Input Noise (pins 7-8)
50 V
t(s)V5–4
cV6–5
Obsolete Product(s) - Obsolete ProduV5–6
Rise and Fall Time (louput = 250mA)
Output Saturation Voltage to Ground (I5 = 0.5 A)
Output Saturation Voltage to VCC (I5 = 0.1A)
Output Diode Direct Voltage (I5 = + 0.5A)
1 A/µs
1.2 V
2V
1.2 V
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5 Page 
TEA2031A
te Product(s) - Obsolete Product(s)Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
leby implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
oto change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
sauthorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
Ob The ST logo is a registered trademark of STMicroelectronics.
All other names are the property of their respective owners
© 2004 STMicroelectronics - All rights reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States
www.st.com
11/11
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TEA2031A.PDF ] | |
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