SM5170AV datasheet(1/10 Pages) NPC

Part #	SM5170AV

Description	PLL Synthesizer IC

PDF	10 Pages

Scroll/Zoom	100%

Manufacturer	NPC [Nippon Precision Circuits Inc]

Direct Link	http://www.npc.co.jp/en

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SM5170AV

NIPPON PRECISION CIRCUITS—1

NIPPON PRECISION CIRCUITS INC.

PLL Synthesizer IC

OVERVIEW

The SM5170AV is a PLL synthesizer IC developed

for application in pagers. It incorporates indepen-

dently-controlled reference frequency and FIN input

frequency dividers, and operates from a low-voltage

supply to realize low power dissipation. It features a

charge pump that operates at 3 V, making possible a

wide range of VCO designs.

FEATURES

s

Supply voltages

•VDD1 = 0.95 to 1.2 V

(prescaler, counters)

•VDD2 = 2.0 to 3.3 V (charge pump)

s

FIN input frequency

•fFIN = 300 MHz (VDD1 = 0.95 V)

•fFIN = 330 MHz (VDD1 = 1.0 V)

s

Reference frequency

•fXIN = 25 MHz (VDD1 = 0.95 V)

s

20 to 262140 reference frequency divider ratio

range (with 1/4 prescaler built-in)

s

1056 to 131071 FIN input frequency divider ratio

range

s

−10 to 60 °C operating temperature range

s

16-pin VSOP

PINOUT

(Top view)

ORDERING INFORMATION

D e vice

P a ck ag e

SM5170AV

16-pin VSOP

1

9

16

8

XIN

XOUT

VDD2

DB

DO

VSS

FIN

TEST

NC

OPR

LE

DATA

CLK

LD

VDD1

NC

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SM5170AV Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc

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