TW9990 low power ntsc/pal/secam video decoder with differential cvbs inputs fn8406 rev. 5.00 page 1 of 2 january 20, 2016 fn8406 rev. 5.00 january 20, 2016 data sh o r t to request the full datasheet, please visit www.intersil.com/products/TW9990 features video decoder ? ntsc (m, 4.43) and pal (b, d, g, h, i, m, n, n combination), pal (60), secam support with automatic format detection ? software selectable analog input control allows for combinations of single - ended cvbs, differential cvbs and s - vid eo ? bu ilt - in analog anti - alias filter ? two 10 - bit adcs and analog clamping circuit ? fully programmable static gain or automatic gain control for the y - channel ? programmable white peak control for the y - channel ? 4 - h adaptive comb filter y/c separation ? pal delay line for color phase error correction ? image enhancement with peaking and cti ? digital subcarrier pll for accurate color decoding ? digital horizontal pll for synchronization processing and pixel sampling ? advanced synchronization processing and sync detection for handling non - standard and weak signal ? programmable hue, brightness, saturation, contrast and sharpness ? automatic color control and color killer ? chroma if compensation ? vbi slicer supporting industrial standard data services ? vbi data passthrough, raw ad c data output ? programmable output c ropping digital output ? itu - r 601 or itu - r 656 compatible ycbcr (4:2:2) output format miscellaneous ? short - to - battery detection t est ? short - to - ground detection t est ? two - wire mpu serial bus interface ? supports r ea l - t ime c ontr ol interface ? power save and p ower down mode ? low power consumption ? single 27mhz crystal for all operations ? supports 24.54mhz and 29.5mhz crystal for high resolution square pixel format decoding ? 3 .3 v tolerant i/o ? 1.8v/ 3.3v power supply ? 32 ld wfqfn (qfn with we t t able flanks ) ? aec - q100 q ualified
t w9990 for additional products, see www.intersil.com/product_tree intersil automotive qualified products are manufactured, assembled and tested utilizing ts16949 quality systems as noted in the quality certifications found at http://www.intersil.com/en/support/qualandreliability.html intersil products are sold by description only. intersil may modify the circuit design and/or specifications of products at a ny time without notice, provided that such modification does not, in intersil's sole judgment, affect the form, fit or function of the product. accordingly, t he reader is cautioned to verify that datasheets are current before placing orders. information furnished by intersil is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of patents or ot her rights of third parties which may result from its use. no license is granted by implication or oth erwise under any patent or patent rights of intersil or its subsidiaries. for information regarding intersil corporation and its products, see http://www.intersil.com fn8406 rev. 5.00 page 2 of 2 january 20, 2016 figure 1 . TW9990 block diagr am 4h adaptive comb filter luma/chroma processor vbi slicer sync processor u v 2 wire serial bus mpout clkx2 vsync hsync vd[7:0] sclk sdat 10 - bit adc pdn y aa filter chroma demodulation 10 - bit adc stb/stg detection agc mux clock 27mhz line - lock clock generator mux0/mux0+ / short detection mux1/mux0 - / short detection mux2/mux2+ / short detection mux3/mux2 - / cin 0 / short detection analog video in video in terface aa filter ? copyright intersil americas llc 20 13 - 201 6 . all rights reserved. all trademarks and registered trademarks are the property of their respective owners.
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