Product Description

The P2779A is a versatile spread spectrum frequency modulator designed specifically for mobile and digital camera and other digital video and imaging applications. The P2779A reduces electromagnetic interference (EMI) at the clock source, which provides system-wide reduction of EMI of all clock dependent signals. The P2779A allows significant system cost savings by reducing the number of circuit board layers and shielding that are traditionally required to pass EMI regulations.

特性 Features

Provides up to 15dB of EMI suppression

FCC approved method of EMI attenuation

Generates a 1X low EMI spread spectrum clock of the input frequency

Operates between 20MHz and 38MHz input frequency range

External loop filter for spread percentage adjustment

Spreading ranges from ±0.25 to ±2.5

Ultra low cycle-to-cycle jitter

Zero-Cycle slip at small deviations

3.3 V Operating Voltage

10 mA output drives

TTL or CMOS compatible outputs

Low power CMOS design

Available in 8-pin SOIC and TSSOP Packages

Available for Industrial temperature operating range (-40o C to 85o C)