ASM3P2780A

Features:

Generates an EMI optimized clock signal at the output. 
Integrated loop filter components.
Operates with a 3.3 / 2.5V Supply.  
Operating current less than 5mA.  
Low power CMOS design.  
Input frequency range: 30MHz to 50MHz for 2.5V: 30MHz to 50MHz for 3.3V
Generates a 1X low EMI spread spectrum clock o the input frequency.  
Frequency deviation: ±0.75% (Typ) @46MHz Inp Frequency. 
Available in 6 pin TSOT-23, 8 pin SOIC and 8 pinTSSOP Packages. 


Application

 
The ASM3P2780A is targeted towards all portable devices with very low power requirements like MP3 players and digital still cameras. 
 


Pinout




Specifications

Symbol	Parameter	Rating	Unit
VDD, VIN	Voltage on any pin with respect to Ground	-0.5 to +7.0	V
TSTG	Storage temperature	-65 to +125
TA	Operating temperature	0 to 70
Ts	Max. Soldering Temperature (10 sec)	260
TJ	Junction Temperature	150
TDV	Static Discharge Voltage (As per JEDEC STD22- A114-B)	2	KV
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect device reliability.

Description

The ASM3P2780A is a versatile spread spectrum frequency modulator designed specifically for a wide range of clock frequencies. The ASM3P2780A reduces electromagnetic interference (EMI) at the clock source, allowing system wide reduction of EMI of  all clock dependent signals. The ASM3P2780A allows significant system cost savings by reducing the number of circuit board layers ferrite beads,shielding that are traditionally required to pass EMI regulations.