ADA4430-1

www.DataSheet4U.com Ultralow Power Video Filter with Power-Down ADA4430-1 FEATURES 6th-order performance, low-pass video filter 1 dB flatness out to 8 MHz 50 dB rejection at 27 MHz Ultralow power-down current: 0.1 μA typ Low quiescent current: 1.85 mA typ Excellent video specification Differential gain: 0.25% Differential phase: 0.10° SAG correction Allows use of small capacitors in ac-coupled outputs Low supply voltage: 2.5 V to 6 V Rail-to-rail output High input-to-output isolation in disabled state 92 dB @ 1 MHz Low input bias current: 0.5 μA Small packaging: SC70 Wide operating temperature range: −40°C to +125°C GAIN (dB) VIN 1 PIN CONFIGURATION ADA4430-1 x1 6 VS+ GND 2 2*R 5 R PD Figure 1. 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 VS = 5V APPLICATIONS Portable media players Portable gaming consoles Cell phones Digital still cameras Portable DVD players Portable video cameras 05885-001 SAG 3 2*R 2*R 4 VOUT VS = 3V 1 FREQUENCY (MHz) 10 Figure 2. Frequency Response Flatness at Various Power Supplies GENERAL DESCRIPTION The ADA4430-1 is a fully integrated video reconstruction filter that combines excellent video specifications with low power consumption and an ultralow power disable, making it ideal for portable video filtering applications. With 1 dB frequency flatness out to 8 MHz and 50 dB rejection at 27 MHz, the ADA4430-1 is ideal in SD video applications, including NTSC and PAL. The ADA4430-1 operates on single supplies as low as 2.5 V and as high as 6 V wh...