●Product Details
●The ADA4431-1 is a fully integrated video reconstruction filter that combines excellent video specifications with low power consumption, making it ideal for portable video filtering applications. The ADA4431-1 is able to detect whether a video load is present at the output, powering down the device when the load is disconnected.
●The ADA4431-1 operates on single supplies as low as 2.5 V while providing the dynamic range required by the most demanding video systems. The on-board charge pump provides a virtual negative supply, allowing the video signal to be dc-coupled and the black level to be set to ground, while the sync passes cleanly at 300 mV below ground.
●When operating with the charge pump off, the ADA4431-1 provides a dc offset to keep the sync tip approximately 100 mV above ground. In addition, the part features SAG correction, which permits the use of smaller capacitors in applications with ac-coupled outputs.
●The ADA4431-1 is packaged in a low profile 16-lead LFCSP and operates in the industrial temperature range of −40°C to +85°C.
●Applications
● Portable media players
● Portable gaming consoles
● Cell phones
● Digital still cameras
● Portable DVD players
● Portable video cameras
●### Features and Benefits
● Third-order, low-pass video filter
●1 dB flatness out to 6 MHz
●27 dB rejection at 27 MHz
● Low quiescent current:
●4.7 mA typical
● Low power-down current:
●24 μA typical
● Load detection capability
● SAG correction
●Allows use of smaller capacitors in ac-coupled outputs
● Low supply voltage: 2.5 V to 3.6 V
● Charge pump
●Creates a negative voltage from single positive supply
●Allows capless output coupling with no dc offset
● Rail-to-rail output
● High input-to-output isolation in
●disabled state 89 dB @ 1 MHz
● Small package
●3 mm × 3 mm LFCSP
●Low 0.55 mm package height
● Wide operating temperature range:
●−40°C to +85°C
