SD9885

I2C-BUS CONTROLLED SINGLE AND MULTISTANDARD ALIGNMENT-FREE IF-PLL DEMODULATORS DESCRIPTION The SD9885 is an alignment-free multistandard (PAL and NTSC) vision and sound IF signal PLL demodulator for negative modulation only and FM processing. The SD9886 is an alignment-free multistandard(PAL, SECAM and NTSC) vision and sound IF signal PLLdemodulator for positive and negative modulation,including sound AM and FM processing. FEATURES ∗ 5 V supply voltage ∗ Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier, AC-coupled ∗ Multistandard true synchronous demodulation with active carrier regeneration ∗ Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free, frequencies switchable for all negative and positive modulated standards via I2C-bus ∗ Digital acquisition help, VIF frequencies of 33.4, 33.9, 38.0, 38.9, 45.75, and 58.75 MHz ∗ 4 MHz reference frequency input ∗ VIF Automatic Gain Control (AGC) detector for gain control ∗ External ...