SM5168 Просмотр технического описания (PDF) - Nippon Precision Circuits

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SM5168

PLL Synthesizer IC

Nippon Precision Circuits  

SM5168 series

PLL Synthesizer IC

OVERVIEW

The SM5168 series are PLL synthesizer ICs fabricated using NPC’s Molybdenum-gate CMOS process. They

provide several combinations of reference and comparator frequency divider ratios, set in master-slice, making

them ideal for frequency synthesizers in IF stages of mobile communications devices. They also feature a lock

detect signal output (LD).

FEATURES

I 2.7 to 3.6V operating supply voltage range

I Maximum operating frequency

• SM5168A× series: 200MHz, VDD = 2.7V

• SM5168C× series: 340MHz, VDD = 2.7V

I Operating current consumption

• SM5168A× series: 3.3mA

(typ, 200MHz at 0.3Vp-p, VDD = 3.0 V)

• SM5168C× series: 4mA

(typ, 340MHz at 0.3Vp-p, VDD = 3.0 V)

I SM5168A× (built-in standby function) and

SM168C× (dual frequency divider ratios) series

available, as set by master-slice

I Charge pump output with output polarity for con-

nection to passive filter

I Lock detect function output

I −30 to 85°C operating temperature range

I 8-pin plastic VSOP

APPLICATIONS

I Mobile communications

I Portable telephones

I Related applications

PACKAGE DIMENSIONS

(Unit: mm)

0.575 typ

3.1 ± 0.3

0.15+−00..105

0.65

0.10

0.22 ± 0.1

0.12 M

SERIES CONFIGURATION

Version

Maximum operating

frequency

Reference/comparator

frequency dividers

SM5168A× series

200MHz

1

SM5168C× series

340MHz

2

1. SM5168C× series: Dual frequency divider ratios are set within the ratio ranges.

Frequency divider ratio range1

N counter

R counter

272 to 65535

5 to 65535

272 to 65535

5 to 65535

Standby function

Yes

No

ORDERING INFORMATION

Device

SM5168××V

Package

8-pin VSOP

SEIKO NPC CORPORATION —1

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