Part Number : TDA9552H
Function : TV Signal Processor-Teletext decoder
Package : QFP80 ( plastic quad flat )
Manufactures : Philips
The various versions of the TDA955X/6X/8X H/N1 series combine the functions of a video processor together with a m-Controller and US Closed Caption decoder. Most versions have a Teletext decoder on board. The Teletext decoder has an internal RAM memory for 1or 10 page text. The ICs are intended to be used in economy television receivers with 90° and 110° picture tubes.
The ICs have supply voltages of 8 V and 3.3 V and they are mounted in a QFP 80 envelope. The features are given in the following feature list. The differences between the various ICs are given in the table on page 4.
· Multi-standard vision IF circuit with alignment-free PLL demodulator
· Internal (switchable) time-constant for the IF-AGC circuit
· The QSS and mono FM functionality are both available so that an FM/AM TV receiver can be built without the use of additional ICs […]