Philips TDA2549 User's Manual
Contents
1. 4 3 2 1 4 41 42 3 4 MHz 38 MHz Fig 3 A F C output voltage V5 3 for negative a f c time Fig 4 Video output waveform showing white spot and noise inverter threshold levels April 1985 Philips Semiconductors Product specification I F amplifier and demodulator for TDA2549 multistandard TV receivers APPLICATION INFORMATION auxiliary 12V if input tuner a g c video input modulation 12V switch o Wa 4 100 ka l 32 l T Ti 1nF tnF 22nF 47 nF oF d i 75Q to pin 1 from pin 11 100 kQ 1 6 KQ y d 47 pF SS 22k2 4 7 nF gt el el ee Oo TDA2549 682 auxiliary mo Video output 78 759 A video afc switch inverter Kd 12V 68 uF S 1 5nF a a video output a f c output 7287270 1 Fig 5 Application diagram April 1985 7 Philips Semiconductors Product specification I F amplifier and demodulator for TDA2549 multistandard TV receivers PACKAGE OUTLINE DIP 24 plastic dual in line package 24 leads 600 mil SOT101 1 ea at M ayy 4 seating plane 24 PIUPITIT IT ie 1 pin 1 index 5 scale DIMENSIONS inch dimensions are derived from the original mm dimensions A A1 A2 1 1 UNIT max min max by e D E rm fee seh a 320 141 1 26 0 56 inches 0 20 0 16 1 24 0 54 Note 1 Plastic or metal protrusions of 02. modulation Vo V22 3 typ 2 V negative modulation Vo V22 3 typ 4 V Gain control range Gy typ 74 dB Signal to noise ratio at Vi 10 mV S N typ 57 dB A F C output voltage swing pin 15 V15 3 min 10 V Max tuner a g c output current pin 10 lio min 0 3 mA Video bandwidth 3 dB B typ 5 5 MHz Auxiliary video input voltage pin 12 at Vo 2 V peak to peak value V12 3 p p typ 1 V Auxiliary video output impedance pin 14 Z44 3l typ 7 Q Auxiliary video output voltage pin 14 V14 3 typ 2 V PACKAGE OUTLINE 24 lead DIL plastic SOT101A SOT101 1 1996 November 19 April 1985 2 Philips Semiconductors Product specification I F amplifier and demodulator for TDA2549 multistandard TV receivers Vp inverter a f c switch from pin 1 POSITIVE Vp Pies MODULATION sc gt if REFERENCE input a AMPLIFIER 7 SYNCHRONOUS TDA2549 DEMODULATOR AUXILIARY VIDEO INPUT auxiliary i video input AMPLIFIER Vp video output O AGC ve modulation NOISE switch i INVERTER AMPLIFIER 4 video AUXILIARY VIDEO OUTPUT i AMPLIFIER Side output 7Z87269 1 pin lt r ir gs Fig 1 Block diagram April 1985 3 Philips Semiconductors Product specification I F amplifier and demodulator for multistandard TV receivers TEDNI RATINGS Limiting values in accordance with the Absolute Maximum System IEC 134 Supply voltage pins 13 and 21 Vp 13 8 V Storage temperature ra
3. 25 mm maximum per side are not included OUTLINE REFERENCES EUROPEAN VERSION IEC JEDEC EIAJ PROJECTION SOT101 1 051G02 MO 015AD E ISSUE DATE April 1985 8 Philips Semiconductors Product specification I F amplifier and demodulator for multistandard TV receivers TDA2549 SOLDERING Introduction There is no soldering method that is ideal for all IC packages Wave soldering is often preferred when through hole and surface mounted components are mixed on one printed circuit board However wave soldering is not always suitable for surface mounted ICs or for printed circuits with high population densities In these situations reflow soldering is often used This text gives a very brief insight to a complex technology A more in depth account of soldering ICs can be found in our IC Package Databook order code 9398 652 90011 Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 C solder at this temperature must not be in contact with the joint for more than 5 seconds The total contact time of successive solder waves must not exceed 5 seconds The device may be mounted up to the seating plane but the temperature of the plastic body must not exceed the specified maximum storage temperature Tstg max If the printed circuit board has been pre heated forced cooling may be necessary immediately after soldering to keep the temperature within the permiss
4. INTEGRATED CIRCUITS DATA SHEET TDA2549 I F amplifier and demodulator for multistandard TV receivers Product specification April 1985 File under Integrated Circuits IC02 Philips PHILIPS Semiconductors Dp fal l L Philips Semiconductors Product specification a a ee aa I F amplifier and demodulator for multistandard TV receivers TDA2549 GENERAL DESCRIPTION The TDA2549 is a complete i f circuit with a f c a g c demodulation and video preamplification facilities for multistandard television receivers It is capable of handling positively and negatively modulated video signals in both colour and black white receivers Features Gain controlled wide band amplifier providing complete i f gain Synchronous demodulator for positive and negative modulation Video preamplifier with noise protection for negative modulation Auxiliary video input and output 75 Q Video switch to select between auxiliary video input signal and demodulated video signal A F C circuit with on off switch and inverter switch A G C circuit for positive modulation mean level and negative modulation noise gate A G C output for controlling MOSFET tuners QUICK REFERENCE DATA Supply voltage pins 13 and 21 Vp V13 21 3 typ 12 V Supply current pins 13 and 21 Ip 1143 21 3 typ 82 mA I F input signal at Vo 2 V between pins 6 and 7 Vi Ve 7 typ 50 uV Video output voltage at Vj 0 V between pins 22 and 3 positive
5. ible limit Repairing soldered joints Apply a low voltage soldering iron less than 24 V to the lead s of the package below the seating plane or not more than 2 mm above it If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds If the bit temperature is between 300 and 400 C contact may be up to 5 seconds DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development Preliminary specification This data sheet contains preliminary data supplementary data may be published later Product specification This data sheet contains final product specifications Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System IEC 134 Stress above one or more of the limiting values may cause permanent damage to the device These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied Exposure to limiting values for extended periods may affect device reliability Application information Where application information is given it is advisory and does not form part of the specification LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction of these products can rea
6. nge Tstg 25 to 125 C Operating ambient temperature range Tamb 25 to 70 C CHARACTERISTICS measured in fig 5 Vp 12 V Tamb 25 C PARAMETER SYMBOL Supply voltage range Supply current pins 13 and 21 I F input signal for Vo 2 V between pins 6 and 7 Input impedance differential Input capacitance differential Zero single output level positive modulation negative modulation Top sync output level Gain control range Signal to noise ratio at V 10 mV note 1 Maximum video output amplitude for positive modulation peak to peak value Bandwidth of video amplifier 3 dB B Differential gain at Vo 2V dG Differential phase at Vo 2 V d Residual carrier signal r m s value V24 3 rms Residual second harmonic of carrier signal r m s value V24 3 rms April 1985 4 Philips Semiconductors I F amplifier and demodulator for Product specification multistandard TV receivers Ueoe se PARAMETER SYMBOL MIN TYP MAX UNIT A F C output voltage swing V15 3 10 V Change of frequency required for a f c output voltage swing of 10 V Af 70 200 kHz A F C switch off for a voltage lower than Vi7 3 1 5 V A F C inverter switch positive a f c Fig 2 V16 3 0 1 5 V negative a f c Fig 3 V16 3 4 12 V Tuner A G C Leakage current lio 15 uA Saturation voltage l10 0 3 MA V10 3 0 1 0 3 V take over point LOW Vi mV take over point HIGH Vi 10 mV Signal e
7. sonably be expected to result in personal injury Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale April 1985 9
8. xpansion at Gy 50 dB AV 22 3 0 5 dB Negative modulation Fig 4 white spot inverter threshold level V22 3 4 6 V white spot insertion level V22 3 3 2 V noise inverter threshold level V22 3 0 9 V noise insertion level V22 3 2 5 V Positive modulation a g c detector reference level V11 3 3 0 3 2 3 4 V Auxiliary video input signal for Vop p 2 V V12 3 0 7 1 1 4 V Auxiliary video output output signal note 2 V14 3 1 V top sync level Vi4 3 1 2 3 V output impedance Z14 3 7 Q Levels for video switches positive video V2 3 1 V negative video V2 3 3 V internally demodulated signal V 23 3 1 V auxiliary video signal V23 3 3 V Notes to the characteristics 1 Signal to noise ratio S N y 2 Measured in application of Fig 5 April 1985 V black to white at B 5 MHz n rms Philips Semiconductors I F amplifier and demodulator for multistandard TV receivers 12 Pee a CERRERE HE RERSESRN NUTT CES REO GESEXERREE 4 3 2 1 a 2 3 4 MHz 3 ni MHz MHz V45 3 v V22 3 v white spot inverter 4 6 threshold level zero signal level white level CCIR white spot insertion 3 2 leve noise insertion level 2 5 top sync level noise inverter 09 threshold level 7287273 1 Fig 2 A F C output voltage V15 3 for positive a f c Product specification TDA2549 7287272
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