NXP Semiconductors TDA4820T
The TDA4820T is a monolithic integrated circuit including a horizontal and a vertical sync separator, offering composite sync and vertical sync extracted from the video signal. June 1990 3 Philips Semiconductors Preliminary specification Sync separation circuit for video applications FUNCTIONAL DESCRIPTION The complete circuit consists of the following functional blocks as shown in Fig.1: – Video amplifier and black level clamping – 50% peak sync voltage – Composite sync...| Part No. | TDA4820T |
|---|---|
| Datasheet | TDA4820T Download |
| Manufacturer |  NXP Semiconductors |
| Description | Sync separation |
| Buy | Stock & Price |
FEATURES
● Fully integrated, few external components● Positive video input signal, capacitively coupled
● Operates with non-standard video input signals
● Black level clamping
● Generation of composite sync slicing level at 50% of peak sync voltage
● Vertical sync separator with double slope integrator
● Delay time of the vertical output pulse is determined by an external resistor
● Vertical sync generation with a slicing level at 40% of peak sync voltage
● Output stage for composite sync
● Output stage for vertical sync
GENERAL DESCRIPTION
TDA4820T QUICK REFERENCE DATA SYMBOL VP IP V2(p-p) Vsync(p-p) Vo Vo Vo Tamb PARAMETER supply voltage range (pin 1) supply current (pin 1) input voltage amplitude (peak-to-peak value) sync pulse input voltage amplitude (pin 2) (peak-to-peak value) maximum vertical sync output voltage (pin 6) maximum composite sync output voltage (pin 7) minimum output voltage (pins 6 and 7) operating ambient temperature range I6 = −1 mA I7 = −3 mA I6,7 = 1 mA CONDITIONS − 0.2 50 10.0 10.0 − 0 MIN.
