SM5168BAV PLL Frequency Symthesizer ICs PINOUT The SM5168BAV is a PLL ICs fabricated in NPC’s Molybdenum-gate CMOS process. This is designed for use in transmitter/receiver stages in mobile telephones and similar applications. 16-pin VSOP And it built in LD pin of lock detect signal output. FEATURES 2.7 to 3.3 V operation 300 MHz maximum operating frequency (VDD = 2.7 V) Low power consumption Charge pump outputs for passive filter Lock detect pin Power-save pin for reduced power dissipation −30 to 85 °C operating temperature range 8-pin VSOP Molybdenum-gate CMOS process 1 8 2 9 3 4 11 ■ ■ ■ ■ ■ ■ ■ PACKAGE DIMENSIONS Unit: mm ■ Mobile communications PHS-type portable telephones ■ Similar applications ■ 4.4 0.2 APPLICATIONS 6.4 0.3 ■ XIN LD TEST TR 10 5168BA pre lim ina ■ VDD DO VSS FIN ry OVERVIEW 1.15 0.05 3.12 0.3 + 0.10 0.15− 0.05 1.30 MAX 0.585 TYP 0.5 0.2 NIPPON PRECISION CIRCUITS INC. 0.65 0.22 0.1 Setting Frequency TR XIN reference input frequency Reference divider count. FIN input frequency FIN divider count. Phase comparator frequency HIGH 14.4MHz 72 185.2MHz 926 200kHz LOW 14.4MHz 72 260.2MHz 1301 200kHz NIPPON PRECISION CIRCUITS—1 SM5168BAV BLOCK DIAGRAM R-counter TR DECORDER FR ina ry XIN TEST Phase Detector FV N-counter FIN PIN DESCRIPTION Charge Pump DO Lock Detector LD Name I/O Description 1 VDD – 2.7 to 3.3V suppply voltage pin. 2 DO O PLL phase comparator tristate output pin. Built-in charge pump means that this output can be connected to a low-pass filter. The output polarity is preset for connection to a passive filter. 3 VSS – Ground pin 4 FIN I PLL comparator frequency divider input pin. Feedback resistor built-in for AC-coupled inputs. 5 TR I 6 TEST I Test pin. should be Open or VSS 7 LD O Unlock signal output pin. Low when unlock. 8 XIN I PLL reference frequency divider input pin. Feedback resistor built-in for AC-coupled inputs. pre lim Number NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification. The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter, including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies. NIPPON PRECISION CIRCUITS INC. NIPPON PRECISION CIRCUITS INC. 4-3, 2-chome Fukuzumi Koto-ku, Tokyo 135-8430, Japan Telephone: 03-3642-6661 Facsimile: 03-3642-6698 NC9629AE 1998.08 NIPPON PRECISION CIRCUITS—2