NB2779ASNR2G datasheet(2/8 Pages) ONSEMI

Part #	NB2779ASNR2G

Description	Low Power, Reduced EMI Clock Synthesizer

Download	8 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

Logo

2 / 8 page

NB2779A

http://onsemi.com

2

Figure 1. Block Diagram

ModOUT

Crystal

Oscillator

Frequency

Divider

Feedback

Divider

Phase

Detector

Loop

Filter

XIN/CLKIN

XOUT

Modulation

VDD

VCO

Output

Divider

PLL

VSS

PD

Table 1. KEY SPECIFICATIONS

Description

Specification

Supply Voltages

VDD = 3.3 V / 2.5 V

Frequency Range

For 2.5 V Supply

For 3.3 V Supply

13 MHz < CLKIN < 30 MHz

Cycle−to−Cycle Jitter

200 ps (maximum)

Output Duty Cycle

45/55% (worst case)

Modulation Rate Equation

FIN/640

Frequency Deviation

"1% (TYP) @ 16 MHz

VDD

1

2

3

6

5

4

XOUT

XIN/CLKIN

ModOUT

NB2779A

VSS

PD

Figure 2. Pin Configuration

Table 2. PIN DESCRIPTION

Pin #

Pin Name

Type

Description

1

PD

I

Powerdown control pin. Pull low to enable powerdown mode. Connect to VDD if not used.

2

XOUT

O

Crystal connection. If using an external reference, this pin must be left unconnected.

3

XIN/CLKIN

I

Crystal connection or external reference frequency input. This pin has dual functions. It can be

connected either to an external crystal or an external reference clock.

4

VDD

P

Power supply for the entire chip.

5

ModOUT

O

Spread spectrum clock output.

6

VSS

P

Ground connection.

Similar Part No. - NB2779ASNR2G

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NB2760A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2760ASNR2	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2760ASNR2G	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
	NB2762ASNR2	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 - Rev. 3

More results

Similar Description - NB2779ASNR2G

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NB2769A	63Kb / 8P	Low Power, Reduced EMI Clock Synthesizer August, 2005 ??Rev. 2
	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
	NB2760A	116Kb / 8P	Low Power, Reduced EMI Clock Synthesizer December, 2006 ??Rev. 3
	NB2579A	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
	NB2870A	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
	NB2669A	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

More results

NB2779ASNR2G Datasheet(PDF) 2 Page - ON Semiconductor

NB2779ASNR2G Datasheet(HTML) 2 Page - ON Semiconductor

Similar Part No. - NB2779ASNR2G

Similar Description - NB2779ASNR2G

Html Pages

1 2 3 4 5 6 7 8

Datasheet Download

Link URL