Details, datasheet, quote on part number: TDA8505
PartTDA8505
CategoryMultimedia => Video => TV Applications => PAL/SECAM
TitlePAL/SECAM
DescriptionTDA8505; Secam Encoder
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload TDA8505 datasheet
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Features, Applications

Preliminary specification Supersedes data of May 1993 File under Integrated Circuits, IC02 July 1994

FEATURES Two input stages, G, B and Y, -(R-Y), -(B-Y) with multiplexing. Chrominance processing, highly integrated, includes vertical identification, low frequency pre-emphasis and high frequency pre-emphasis (anti-Cloche) and bandpass filter. Fully controlled FM modulator which produces a signal in accordance with the SECAM standard without adjustments. Two reference oscillators, one for D'R f0 (4.40625 MHz) and one for D'B f0 (4.250 MHz). These oscillators are tuned by PLL loop with the frequency of the line sync as reference. Crystal tuning, or tuning by external reference source, of the reference oscillators is possible. Output stages, CVBS and separated Y + SYNC and CHROMA. For CVBS output, signal amplitude 2 V (p-p) nominal, thus only an external emitter follower is required for 75 driving. Sync separator circuit and pulse shaper, to generate the required pulses for the processing, line, frame, FH/2 and chrominance blanking. A 3-level sandcastle pulse is generated for PAL/NTSC to SECAM transcoding. FH/2 input for locking with another decoder. Colour killing on the internal colour difference signals. Internal bandgap reference. ORDERING INFORMATION PACKAGE TYPE NUMBER PINS TDA8505 32 PIN POSITION SDIP32 MATERIAL plastic GENERAL DESCRIPTION

The is a highly integrated SECAM encoding IC that is designed for use in all applications that require transformation R, G and B signals Y, U and V signals to a standard SECAM signal. The specification of the input signals is fully compatible with those of the TDA8501 PAL/NTSC encoder.

colour killing input 13 PULSE GENERATOR 1 nF PHASE DETECTOR 1 F LPFDR output 15

FRAME IDENTIFICATION LOW-PASS FILTER LF PREEMPHASIS CLAMP ADDER GAIN LIMITER FM MODULATOR PHASE SWITCH 2 k CLOCHE BANDPASS V ref 17 V ref TEST 47 F reference voltage output k 14 FADJ 22 k FILTER CHROMINANCE BLANKING 220 nF FLT output 18 chrominance output ADDER CL/BL 47 nF luminance input 47 nF

12 LPFDB output Y+SYNC output 2 V (p-p) 25 650 DELAY ns LINE BUFFER 23 Y+SYNC input 22 notch output

 

Related products with the same datasheet
TDA8505/N1
TDA8505/N2
Some Part number from the same manufacture Philips Semiconductors (Acquired by NXP)
TDA8505/N1 TDA8505; Secam Encoder
TDA8510 TDA8510J; 26 W BTL And 2 X 13 W se Power Amplifiers;; Package: SOT243-1 (DBS17P)
TDA8511 TDA8511J; 4 X 13 W Single-ended Power Amplifiers;; Package: SOT243-1 (DBS17P)
TDA8512 TDA8512J; 26 W BTL 2 X 13 W se or 4 X 13 W se Power Amplifier;; Package: SOT243-1 (DBS17P)
TDA8540 TDA8540; 4 X 4 Video Switch Matrix;; Package: SOT163 (SO20)
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TDA8542 TDA8542TS; 2 X 0.7 W BTL Audio Amplifier;; Package: SOT266-1 (SSOP20)
TDA8542A TDA8542AT; 2 X 1.5 W BTL Audio Amplifier;; Package: SOT163 (SO20)
TDA8542T TDA8542TS; 2 X 0.7 W BTL Audio Amplifier;; Package: SOT266-1 (SSOP20)
TDA8543 TDA8543; 2 W BTL Audio Amplifier;; Package: SOT109 (SO16)
TDA8547 TDA8547TS; 2 X 0.7 W BTL Audio Amplifier With Output Channel Switching;; Package: SOT266-1 (SSOP20)
TDA8551 TDA8551; 1 W BTL Audio Amplifier With Digital Volume Control;; Package: SOT96 (SO8), SOT97-1 (DIP8)
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TDA8559 TDA8559; Low-voltage Stereo Headphone Amplifier;; Package: SOT109 (SO16)
TDA8560 TDA8560Q; 2 X 40 W/2 Ohm Stereo BTL Car Radio Power Amplifier With Diagnostic Facility;; Package: SOT141-6 (DBS13P)
TDA8561Q 2x24 W BTL or 4x12 W Single-ended Car Radio Power Amplifier
TDA8562 TDA8562Q; 4 X 12 W Single-ended Car Radio Power Amplifier With Dynamic Distortion Detector And Diagnostic Interface;; Package: SOT243-1 (DBS17P)
TDA8563 TDA8563Q; 2 X 40 W/2 Ohm Stereo BTL Car Radio Power Amplifier With Diagnostic Facility;; Package: SOT141-6 (DBS13P)
TDA8563A TDA8563AQ; 2 X 40 W/2 Ohm Stereo BTL Car Radio Power Amplifier With Diagnostic Facility;; Package: SOT141-6 (DBS13P)
TDA8563Q TDA8563Q; 2 X 40 W/2 Ohm Stereo BTL Car Radio Power Amplifier With Diagnostic Facility;; Package: SOT141-6 (DBS13P)
TDA8564Q 2 X 24 (4 X 7)w Car Radio Power Amplifier With Diagnostic And High Gain (46/40db)
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