NB2760ASNR2 datasheet(1/8 Pages) ONSEMI

部品番号	NB2760ASNR2

部品情報	Low Power, Reduced EMI Clock Synthesizer

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メーカー	ONSEMI [ON Semiconductor]

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December, 2006 − Rev. 3

1

Publication Order Number:

NB2760A/D

NB2760A

Low Power, Reduced EMI

Clock Synthesizer

The NB2760A is a versatile spread spectrum frequency modulator

designed specifically for a wide range of clock frequencies. The

NB2760A reduces ElectroMagnetic Interference (EMI) at the clock

source, allowing system wide reduction of EMI of all clock dependent

signals. The NB2760A allows significant system cost savings by

reducing the number of circuit board layers, ferrite beads and

shielding that are traditionally required to pass EMI regulations.

The NB2760A uses the most efficient and optimized modulation

profile approved by the FCC and is implemented by using a

proprietary all digital method.

The NB2760A modulates the output of a single PLL in order to

“spread” the bandwidth of a synthesized clock, and more importantly,

decreases the peak amplitudes of its harmonics. This results in

significantly lower system EMI compared to the typical narrow band

signal produced by oscillators and most frequency generators.

Lowering EMI by increasing a signal’s bandwidth is called ‘spread

spectrum clock generation’.

The NB2760A is targeted towards all portable devices with very

low power requirements like MP3 players and digital still cameras.

Features

• Generates an EMI Optimized Clocking Signal at the Output

• Integrated Loop Filter Components

• Operates with a 3.3 V / 2.5 V Supply

• Operating Current less than 4.0 mA

• Low Power CMOS Design

• Input Frequency Range: 6.0 MHz to 12 MHz for 2.5 V

Input Frequency Range: 6.0 MHz to 13 MHz for 3.3 V

• Generates a 1X Low EMI Spread Spectrum clock of the Input

Frequency

• Frequency Deviation "0.65% @ 8 MHz

• Available in TSOP−6 Package (TSOT−23−6)

• Pb−Free Package is Available

1

6

*For additional marking information, refer to

sApplication Note AND8002/D.

TSOP−6

(TSOT−23−6)

SN SUFFIX

CASE 318G

See detailed ordering and shipping information in the package

dimensions section on page 7 of this data sheet.

ORDERING INFORMATION

http://onsemi.com

MARKING

DIAGRAM*

E03 = Specific Device Code

A

=Assembly Location

Y

= Year

W

= Work Week

G

= Pb−Free Package

(Note: Microdot may be in either location)

E03AYWG

G

1

同様の部品番号 - NB2760ASNR2

メーカー	部品番号	データシート	部品情報
ON Semiconductor	NB2762A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 - Rev. 3
	NB2762ASNR2	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 - Rev. 3
	NB2762ASNR2G	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 - Rev. 3
	NB2769A	63Kb / 8P	Low Power, Reduced EMI Clock Synthesizer August, 2005 ??Rev. 2
	NB2769ASNR2	63Kb / 8P	Low Power, Reduced EMI Clock Synthesizer August, 2005 ??Rev. 2

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同様の説明 - NB2760ASNR2

メーカー	部品番号	データシート	部品情報
ON Semiconductor	NB2769A	63Kb / 8P	Low Power, Reduced EMI Clock Synthesizer August, 2005 ??Rev. 2
	NB2579A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2669A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2779A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2780A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2869A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2870A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2872A	106Kb / 6P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 2
	NB2969A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2762A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 - Rev. 3

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