MK3727SLF datasheet, PDF - EEWORLD Datasheet

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MK3727SLF: DescriptionClock Generator, 27MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8; CategoryThe embedded processor and controller Microcontrollers and processors; File Size137KB，7 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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MK3727SLF Overview

Clock Generator, 27MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8

MK3727SLF Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	IDT (Integrated Device Technology)
Parts packaging code	SOIC
package instruction	0.150 INCH, ROHS COMPLIANT, SOIC-8
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Humidity sensitivity level	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	27 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
power supply	3.3 V
Master clock/crystal nominal frequency	18 MHz
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage	3.45 V
Minimum supply voltage	3.15 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn) - annealed
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER

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MK3727

OST

36 MH

3.3 V

OLT

VCXO

Description

The MK3727 series of devices include the original

MK3727S, and the new MK3727C and MK3727D. The

MK3727D and MK3727C are drop-in replacements for

the MK3727S device. Compared to these earlier

devices, the MK3727D and MK3727C offer a wider

operating frequency range and improved power supply

noise rejection. The MK3727D is recommended for

new designs.

The MK3727 series combines the functions of a VCXO

(Voltage Controlled Crystal Oscillator) and PLL (Phase

Locked Loop) frequency doubler onto a single chip.

Used in conjunction with an external pullable quartz

crystal, this monolithic integrated circuit replaces more

costly hybrid (canned) VCXO devices. The MK3727 is

designed primarily for data and clock recovery

applications within end products such as ADSL

modems, set-top box receivers, and telecom systems.

The MK3727D is recommended for new designs. The

MK3727D exhibits a moderate VCXO gain of

120ppm/V typical, when used with a high quality

external pullable quartz crystal. The MK3727C offers a

higher VCXO gain of 150ppm/V. The higher intrinsic

VCXO gain of the MK3727C may help compensate for

the reduced pullability of a low quality crystal used in

some applications. However, higher VCXO gain may

also increase clock output phase noise.

The frequency of the on-chip VCXO is adjusted by an

external control voltage input into pin VIN. Because

VIN is a high impedance input, it can be driven directly

from an PWM RC integrator circuit. Frequency output

increases with VIN voltage input. The usable range of

VIN is 0 to 3 V.

Features

•

MK3727D and MK3727C are drop-in upgrades to the

earlier MK3727S device

•

MK3727D and MK3727C offer 24 to 36 MHz output

frequency range (output frequency = 2x crystal

frequency) and improved power supply noise

rejection

•

Uses an inexpensive 12 to 18 MHz external crystal

•

Ideal for ADSL applications using 17.664 MHz

external pullable crystal to generate locked 35.328

MHz clock physical layer clock

•

Ideal for set-top box applications using 13.5 MHz

external pullable crystal to generate lock 27 MHz

clock transport video clock

•

On-chip VCXO with guaranteed pull range of ±115

ppm minimum (MK3727D)

•

VCXO input tuning voltage 0 to 3.3 V

Packaged in 8-pin SOIC (150 mil wide)

Available in Pb-free packaging

MK3727D is recommended for new designs.

Block Diagram

V IN

12 to 1 8 M H z

P ullab le

C rystal

V o lta g e

C o n tro lled

C ry sta l

O s cilla to r

PLL

F re q u e n c y

D o u b ler

24 to 36 M H z

(2x C rystal F re q ue ncy)

MDS 3727 L

I nt egra te d Ci r cu it S y s te ms

5 25 Race Street, San Jose, CA 95 126

te l (40 8) 29 7-120 1

Revision 091205

w w w. i c st . c o m

MK3727SLF Related Products

	MK3727SLF	MK3727SLFTR	MK3727CLFTR	MK3727CLF
Description	Clock Generator, 27MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8	Clock Generator, 27MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8	Clock Generator, 36MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8	Clock Generator, 36MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8
Is it lead-free?	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to
Maker	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)
Parts packaging code	SOIC	SOIC	SOIC	SOIC
package instruction	0.150 INCH, ROHS COMPLIANT, SOIC-8	0.150 INCH, ROHS COMPLIANT, SOIC-8	0.150 INCH, ROHS COMPLIANT, SOIC-8	0.150 INCH, ROHS COMPLIANT, SOIC-8
Contacts	8	8	8	8
Reach Compliance Code	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99
JESD-30 code	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609 code	e3	e3	e3	e3
length	4.9 mm	4.9 mm	4.9 mm	4.9 mm
Number of terminals	8	8	8	8
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C
Maximum output clock frequency	27 MHz	27 MHz	36 MHz	36 MHz
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	SOP
Encapsulate equivalent code	SOP8,.25	SOP8,.25	SOP8,.25	SOP8,.25
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260	260	260	260
power supply	3.3 V	3.3 V	3.3 V	3.3 V
Master clock/crystal nominal frequency	18 MHz	18 MHz	18 MHz	18 MHz
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.75 mm	1.75 mm	1.75 mm	1.75 mm
Maximum supply voltage	3.45 V	3.45 V	3.45 V	3.45 V
Minimum supply voltage	3.15 V	3.15 V	3.15 V	3.15 V
Nominal supply voltage	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Matte Tin (Sn) - annealed	Matte Tin (Sn) - annealed	MATTE TIN	MATTE TIN
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	30	30	NOT SPECIFIED	NOT SPECIFIED
width	3.9 mm	3.9 mm	3.9 mm	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER

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