TDA4881 Datasheet | NXP Semiconductors

INTEGRATED CIRCUITS DATA SHEET TDA4881 Advanced monitor video controller Preliminary specification File under Integrated Circuits, IC02 November 1992 Philips Semiconductors Preliminary specification Advanced monitor video controller Features - Fully DC controllable - 3 separate video channels - Input black level clamping - White level adjustment for 2 channels only - Brightness control with correct grey scale tracking - Contrast control for all 3 channels simultaneously - Cathode feedback to internal reference for cut-off control, which allows unstabilized video supply voltage - Current outputs for RGB signal currents - RGB voltage outputs to external peaking circuits - Blanking and switch-off input for screen protection - Sync on green operation possible QUICK REFERENCE DATA SYMBOL VP IP Vl(b-w) VO(b-w) IO(b-w) IM B Gnom Gv Cv ∆Vbl Tamb supply current input voltage (black-to-white, pins 2, 5 and 8) output voltage (black-to-white, pins 19, 16 and 13) output current (black-to-white, pins 20, 17 and 14) peak output current (pins 20, 17 and 14) bandwidth nominal gain gain control range for 2 channels (relative to Gnom) contrast control range (relative to Gnom) brightness control range operating ambient temperature range nominal gain - 3 d B nominal contrast and nominal gain PARAMETER positive supply voltage (pin 7) CONDITIONS MIN. TYP. 7.2 - - - - - 70 - - 4 - 20 - 80 0 8.0 46 0.7 0.8 50 - - 1 - - - - GENERAL DESCRIPTION The TDA4881 is a monolithic integrated RGB amplifier for colour monitor systems with super VGA performance, intended for DC or AC coupling of the colour signals to the cathodes of the CRT. With special advantages the circuit can be used in conjunction with the...