TDA8145 STMicroelectronics, TDA8145 Datasheet

IC EAST/WEST CORRECTION 8-PDIP

TDA8145

Manufacturer Part Number
TDA8145
Description
IC EAST/WEST CORRECTION 8-PDIP
Manufacturer
STMicroelectronics
Type
Videor
Datasheet

Specifications of TDA8145

Applications
Monitors, TV
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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FEATURES SUMMARY
DESCRIPTION
The TDA8145 is a monolithic integrated circuit in a
8 pin minidip plastic package designed for use in
the square C.R.T. east-west pin-cushion correc-
tion by driving a diode modulator in TV and moni-
tor applications.
Figure 2. Pin Connections (top view)
May 2004
FRAME SAWTOOTH CURRENT INPUT
LOW DISSIPATION
SQUARE GENERATOR FOR PARABOLIC
CURRENT SPECIALLY DESIGNED FOR
SQUARE C.R.T. CORRECTION
EXTERNAL KEYSTONE ADJUSTMENT
(symmetry of the parabola)
INPUT FOR DYNAMIC FIELD CORRECTION
(beam current change)
STATIC PICTURE WIDTH ADJUSTMENT
PULSE-WIDTH MODULATOR
FINAL STAGE D-CLASS WITH ENERGY
REDELIVERY
PARASITIC PARABOLA SUPPRESSION,
DURING FLYBACK TIME OF THE VERTICAL
SAWTOOTH
KEYSTONE CORRECTION INPUT
CURRENT REFERENCE
GND
TV EAST/WEST CORRECTION CIRCUIT
1
2
3
4
Figure 1. Package
8
7
6
5
PARABOLA OUTPUT INVERTING INPUT
+V
OUTPUT
NON-INVERTING INPUT 100µA CURRENT SINK
S
FOR SQUARE TUBES
(Plastic Package)
POWERDIP8
TDA8145
REV. 2
1/9

Related parts for TDA8145

TDA8145 Summary of contents

Page 1

... PARASITIC PARABOLA SUPPRESSION, ■ DURING FLYBACK TIME OF THE VERTICAL SAWTOOTH DESCRIPTION The TDA8145 is a monolithic integrated circuit pin minidip plastic package designed for use in the square C.R.T. east-west pin-cushion correc- tion by driving a diode modulator in TV and moni- tor applications. Figure 2. Pin Connections (top view) ...

Page 2

... TDA8145 Figure 3. Schematic Diagram TDA8145 CURRENT LIMITER Q1 Q13 OP1 FULL-WAVE RECTIFIER Table 1. Absolute Maximum Ratings Symbol V Supply Voltage S I Supply Current S P Power Dissipation at T TOT T T Storage and Junction Temperature STG , j Table 2. Thermal Data Symbol R Thermal Resistance Junction-ambient Max th (j-c) R Thermal Resistance Junction-pin 4 Max ...

Page 3

... S1 → 400 mA Sink S2 → 100 mA Source S2 → → 400 mA S2 → → 6 10kΩ 10kΩ TDA8145 REF R8 20kΩ TDA8145 Min. Typ. Max 4.5 7 7.6 8.0 8.8 0.73 15.3 16.0 16.7 15 0.26 0.70 – 100 1 2 0.8 1.5 1.2 1 SATH ...

Page 4

... TDA8145 Figure 5. Parabola Characteristics V 7E 4 µ ...

Page 5

... It consists of a class D push–pull output amplifier that drives, via an external inductor, the diode modulator. Pin-cushion adjustment R3 RT2 47kΩ 18kΩ TDA8145 6 C2 100nF 4.7nF 1N4148 12kΩ 1kΩ Hfly from L.T. R5 RT3 TDA8145 C1 47nF Width 5/9 ...

Page 6

... TDA8145 PART NUMBERING Table 4. Order Codes Part Number TDA8145 6/9 Package POWERDIP8 Temperature Range °C ...

Page 7

... Figure 7. POWERDIP8 - Package Dimensions Note: Drawing is not to scale millimeters Typ Max 3.3 1.65 1.04 0.5 0.5 9.8 8.8 2.54 7.62 7.62 7.1 4.8 3.3 1.6 TDA8145 inches Min Typ Max 0.130 0.020 0.055 0.065 0.036 0.041 0.020 0.015 0.020 0.386 0.346 0.100 0.300 0.300 ...

Page 8

... TDA8145 REVISION HISTORY Table 6. Revision History Date Revision October -1998 1 14-May-2004 2 8/9 Description of Changes First Issue Stylesheet update. No content change. ...

Page 9

... All other names are the property of their respective owners 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 © 2004 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES www.st.com TDA8145 9/9 ...

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