GENERAL DESCRIPTTON The ZL2244 is a three input integrated video switch witch selects one video or audio signal from three input signals. It contains driver circuit for 75Ω load and is able to connect to TV monitor. Its operating supply voltage range is 5 to 12V and bandwidth is 10MHz,Crosstalk is 70dB(at 4.43MHz). ZL2244 contains clamp function and it can be operated while setting DC level fixed in position of the video signal. 此產品在功能上與NJM2244相同，可相互替代！ 產品屬性：產品屬性、產品規格,和其他信息,請參閱ZL2244規范，或上深圳市威步科技有限公司：WWW.ZLMICRO.COM,直接查閱; (Product properties: the product attributes, product specifications, and other information, please refer to the ZL2244 specification, or step on shenzhen wei technology website: WWW.ZLMICRO.COM, view directly)