LTC6902IMS#PBF datasheet, PDF - EEWORLD Datasheet

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LTC6902IMS#PBF: DescriptionIC osc silicon prog 10msop; CategoryAnalog mixed-signal IC The signal circuit; File Size201KB，16 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC6902IMS#PBF Overview

IC osc silicon prog 10msop

LTC6902IMS#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	MSOP
package instruction	TSSOP, TSSOP10,.19,20
Contacts	10
Manufacturer packaging code	MS
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	PLL FREQUENCY SYNTHESIZER
JESD-30 code	S-PDSO-G10
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	10
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply current (Isup)	3.6 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm

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LTC6902

Multiphase Oscillator

with Spread Spectrum

Frequency Modulation

FEATURES

DESCRIPTIO

2-, 3- or 4-Phase Outputs

Optional Spread Spectrum Frequency Modulation

for Improved EMC Performance

5kHz to 20MHz Frequency Range

One External Resistor Sets the Frequency

One External Resistor Sets Percent Frequency

Spreading

400µA Typical Supply Current, V

= 3V, 1MHz

Frequency Error

≤1.5%

Max, 5kHz to 10MHz

= 25°C)

Frequency Error

≤

2% Max, 5kHz to 10MHz

= 0°C to 70°C)

±40ppm/°C

Temperature Stability

Fast Start-Up Time: 50µs to 1.5ms

100Ω CMOS Output Driver

Operates from a Single 2.7V to 5.5V Supply

Available in 10-Lead MS Package

The LTC

6902 is a precision, low power and easy-to-use

oscillator that provides multiphase outputs in a small

package. The oscillator frequency is set by a single exter-

nal resistor (R

SET

). The LTC6902 also provides an optional

spread spectrum frequency modulation (SSFM) capability

that can be activated and controlled by an additional

external resistor (R

MOD

The LTC6902’s master oscillator is controlled by the R

SET

resistor and has a range of 100kHz and 20MHz. In order

to accommodate a wider output frequency range, a pro-

grammable divider (divide by 1, 10 or 100) is included.

The integrated programmable multiphase circuit pro-

vides either 2-, 3- or 4-phase waveforms.

The LTC6902’s SSFM capability modulates the oscillator’s

frequency by a pseudorandom noise (PRN) signal to

spread the oscillator’s energy over a wide frequency band.

This spreading decreases the peak electromagnetic radia-

tion level and improves electromagnetic compatibility

(EMC) performance. The amount of frequency spreading

is programmable by a single additional external resistor

MOD

) and is disabled by grounding the MOD pin.

, LTC and LT are registered trademarks of Linear Technology Corporation.

APPLICATIO S

Switching Power Supply Clock Reference

Portable and Battery-Powered Equipment

PDAs

Cell Phones

Clocking Switched Capacitor Filters

TYPICAL APPLICATIO

0.1µF

MOD

10k

SET

10k

LTC6902

OPEN

DIV

SET

MOD

GND

Output Frequency Spectrum With and Without SSFM

OUTPUT

SPECTRUM

WITH SSFM

DISABLED

OUTPUT

SPECTRUM

WITH 20%

SPREADING

500kHz, 4-Phase Clock with 20% Frequency Spreading

RELATIVE AMPLITUDE (dBm)

–20

–40

–60

OUT1 OUT4

OUT2 OUT3

OUT4

OUT3

OUT2

6902 TA01

–80

–100

OUT1

400

550

450

500

FREQUENCY (kHz)

600

6902 TA02

6902f

LTC6902IMS#PBF Related Products

	LTC6902IMS#PBF	LTC6902CMS#TR	LTC6902IMS#TR	LTC6902CMS#TRPBF	LTC6902IMS#TRPBF	LTC6902CMS#PBF
Description	IC osc silicon prog 10msop	IC osc silicon prog 10msop	IC osc silicon prog 10msop	IC OSC SILICON PROG 10MSOP	IC OSC SILICON PROG 10MSOP	Polyphase Oscillator with Spread Spectrum Frequency Modulation
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	incompatible	incompatible	conform to	conform to	conform to
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	MSOP	MSOP	MSOP	MSOP	MSOP	MSOP
package instruction	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP10,.19,20
Contacts	10	10	10	10	10	10
Manufacturer packaging code	MS	MS	MS	MS	MS	MS
Reach Compliance Code	compliant	not_compliant	not_compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	PLL FREQUENCY SYNTHESIZER	PLL FREQUENCY SYNTHESIZER	PLL FREQUENCY SYNTHESIZER	PLL FREQUENCY SYNTHESIZER	PLL FREQUENCY SYNTHESIZER	PLL FREQUENCY SYNTHESIZER
JESD-30 code	S-PDSO-G10	S-PDSO-G10	S-PDSO-G10	S-PDSO-G10	S-PDSO-G10	S-PDSO-G10
JESD-609 code	e3	e0	e0	e3	e3	e3
length	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Humidity sensitivity level	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1
Number of terminals	10	10	10	10	10	10
Maximum operating temperature	85 °C	70 °C	85 °C	70 °C	85 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20	TSSOP10,.19,20	TSSOP10,.19,20	TSSOP10,.19,20	TSSOP10,.19,20	TSSOP10,.19,20
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	235	235	260	260	260
power supply	3/5 V	3/5 V	3/5 V	3/5 V	3/5 V	3/5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm
Maximum supply current (Isup)	3.6 mA	3.6 mA	3.6 mA	3.6 mA	3.6 mA	3.6 mA
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL
Terminal surface	Matte Tin (Sn)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	30	20	20	30	30	30
width	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm

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