tda8349a NXP Semiconductors, tda8349a Datasheet
tda8349a
Available stocks
Related parts for tda8349a
tda8349a Summary of contents
Page 1
... DATA SHEET TDA8349A Multistandard IF amplifier and demodulator Product specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS February 1991 ...
Page 2
... Multistandard IF amplifier and demodulator GENERAL DESCRIPTION The TDA8349A is a multistandard IF amplifier and demodulator with AGC and AFC functions for television receivers. The device has a video recognition circuit and a video switch for internal or external video for full SCART applications. FEATURES Full-range gain-controlled wideband IF amplifier MHz ...
Page 3
... Philips Semiconductors Multistandard IF amplifier and demodulator February 1991 3 Product specification TDA8349A ...
Page 4
... Video amplifier The video amplifier based on the feedback principle improves the linearity of the video output buffer. It has an internal bandgap reference to ensure a stable video output at different supply voltages and temperatures. This 4 Product specification TDA8349A ...
Page 5
... The output signal of the demodulator is sampled during sync level of the video signal and will be stored with the aid of an external capacitor. 5 Product specification TDA8349A TILT AT 2.2 F typ. 0.5% (line tilt) typ. 1.5% (field tilt) typ. 1.2% (frame tilt) typ. 1.5% (field tilt) ...
Page 6
... SCART. The crosstalk of the unwanted signal is better than 50 dB and the total signal handling meets all the requirements for SCART specifications. PARAMETER 6 Product specification TDA8349A 2 gain stage for the external input MIN. MAX. UNIT 0.5 13 ...
Page 7
... see Fig.3 5.6 see Fig.3 3.8 see Fig.3 2 7.5 10.0 note 9 2 note 9 7 note 10 2 see Figs 6 and Product specification TDA8349A MAX. UNIT 13 MHz 2 ...
Page 8
... 300 pin 150 500 20 P note 13 2 note 200 50 200 3.0 3.5 5.0 7.0 7.5 9 0.5 2.0 8 Product specification TDA8349A MAX. UNIT 250 300 4.0 dB ...
Page 9
... I input current 7 February 1991 CONDITIONS MIN. TYP V(p-p) 1 V(p-p) 2.0 O 2.0 3.3 2.0 2 2 note Product specification TDA8349A MAX. UNIT MHz 300 ...
Page 10
... AFC off load 4 500 10 500 150 9 no sync 0.3 18 sync 10 Product specification TDA8349A TYP. MAX. UNIT 3 A 500 100 mV/kHz 7 V 0.5 V 5.5 V 100 kHz A 1.5 mA 10.2 V 8.0 ...
Page 11
... The inverse analog AFC mode can only be obtained by a voltage of between 8 and 10 V applied to pin 9. February 1991 V black-to white o 20 log -------------------------------------------------------------- - = V RMS MHz n V unwanted video black-to-white o --------------------------------------------------------------------------------------- measured at 4.4 MHz V wanted video black-to-white Product specification TDA8349A for the positive MAC standard ...
Page 12
... If the identification is only used as a sound mute a capacitor recommended to improve the sensitivity. Fig.2 Signal-to-noise ratio as a function of video input. February 1991 12 Product specification TDA8349A ...
Page 13
... Fig.3 Video waveform showing white spot threshold and insertion levels, and noise clamping levels Fig.4 Analog AFC output voltage as a function of frequency pin 9 above 10 V. February 1991 Fig.5 Analog AFC output voltage as a function of frequency pin 9 above Product specification TDA8349A ...
Page 14
... kHz sound carrier CC = chrominance carrier PC = picture carrier all with respect to top sync level Fig.6 Input conditions for intermodulation measurements; standard colour bar with 75% contrast. February 1991 Fig.7 Test set-up intermodulation measurements. 14 Product specification TDA8349A ...
Page 15
... Philips Semiconductors Multistandard IF amplifier and demodulator February 1991 Fig.8 Video output signal. Fig.9 E.B.U. test signal wave form (line 330). 15 Product specification TDA8349A ...
Page 16
... IEC SOT146-1 February 1991 scale (1) ( 0.53 0.36 26.92 6.40 2.54 0.38 0.23 26.54 6.22 0.021 0.014 1.060 0.25 0.10 0.015 0.009 1.045 0.24 REFERENCES JEDEC EIAJ SC603 16 Product specification TDA8349A 3.60 8.25 10.0 7.62 0.254 3.05 7.80 8.3 0.14 0.32 0.39 0.30 0.12 0.31 0.33 EUROPEAN ...
Page 17
... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. February 1991 ). If the printed-circuit board has been pre-heated, forced cooling may stg max 17 Product specification TDA8349A ...