AN18401A

DATA SHEET Part No. Package Code No. AN18401A QFN028-P-0405B www.DataSheet4U.com Publication date: June 2007 SDE00026AEB 1 AN18401A Contents „ Overview „ Features „ Package „ Type „ Applications ………….………………………………………………………………………………………………. 3 …………………………………...………………………………………………………………………. 3 ………………………………………………………………………………………………………. 3 …………………………………...………………………………………………………………………. 3 ….………………...……………………………………………………………………………… 4 …………………..………………………………………………………………………………. 5 ……..………………………………………………………………………………. 6 ……………………..……………..…………………………......………………… 7 ……….…….………………………………………………………………………………………………… 3 „ Block Diagram „ Pin Descriptions „ Application Circuit Example „ Absolute Maximum Ratings „ Operating Supply Voltage Range …………………………………………..……………………………………. 7 www.DataSheet4U.com SDE00026AEB 2 AN18401A AN18401A Down Converter IC for GPS „ Overview AN18401A, using SiGe process, realizes on-chip LNA with low noise figure and ultra low-power current consumption. As not only the LNA but also VCO is completely built in the IC, it enables further miniaturization of GPS modules and a reduction of components. „ Features y A single chip IC for the LNA block with low noise figure (NF = 1.6 dB) y Low current consumption: 24 mA y Achievement of saving the space of sets according to significant reduction of external parts (LNA, BPF, VCO, etc) „ Applications y For portable terminal, car navigation system „ Package y 4-direction 28-pin plastic quad flat non-leaded package (QFN type) „ Type...