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. 此产品在功能上与NJM2244相同，可相互替代！ 产品属性：产品属性、产品规格,和其他信息,请参阅ZL2244规范，或上深圳市威步科技有限公司：WWW.ZLMICRO.COM,直接查阅; (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)