|Category||Analog & Mixed-Signal Processing => Amplifiers|
|Description||Multistandard if Amplifier And Demodulator|
|Company||Philips Semiconductors (Acquired by NXP)|
|Datasheet||Download TDA8349A datasheet
Product specification File under Integrated Circuits, IC02 February 1991
The 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 to 60 MHz Wide-band video amplifier with good linearity and a class AB output stage to ensure a very low output impedance Supply independent video output level Small second harmonic IF output AGC circuit which operates on top sync level (negative modulation) or on white level (positive modulation) or on top level (MAC) with reduced sensitivity for high sound carriers AFC circuit with an internal 90° phase shift circuit, a sample-and-hold circuit for negatively modulated signals to reduce video dependent AFC information and an analog or digital output Video recognition possibility based on horizontal pulse duty cycles Video switch for selection of internal or external video signals Wide supply voltage range and ripple rejection Requires few external components Tuner AGC output for npn and pnp tuners QUICK REFERENCE DATA SYMBOL Gv V11-17(p-p) S/N V8-17(p-p) PARAMETER supply voltage (pin 14) supply current (pin 14) IF input sensitivity (RMS value) IF gain control range video output voltage (peakto-peak value) signal-to-noise ratio AFC output voltage swing (peak-to-peak value) 10 mV CONDITIONS MIN. TYP. MAX. dB V UNIT
ORDERING AND PACKAGE INFORMATION EXTENDED TYPE NUMBER TDA8349A Note SOT146-1; 1996 November 29. PACKAGE PINS 20 PIN POSITION DIL MATERIAL plastic CODE SOT146(1)
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