HFA3524 Datasheet (Intersil Corporation) - 2.5GHz/600MHz Dual Frequency Synthesizer

HFA3524, 2.5GHz/600MHz Dual Frequency Synthesizer

PIN NUMBER 1 PIN NAME VCC1 I/O DESCRIPTION Power supply voltage input.

Input may range from 2.7V to 5.5V.

VCC1 must equal VCC2.

Bypass capacitors should be placed as close as possible to this pin and be connected directly to the ground plane.

Power Supply for RF charge pump.

Must be > VCC.

Internal

HFA3524 TM Data Sheet March 2000 File Number 4062.8 2.5GHz/600MHz Dual Frequency Synthesizer The Intersil 2.4GHz PRISM® chip set is a highly integrated six-chip solution for RF modems employing Direct Sequence Spread Spectrum (DSSS) signaling.

The HFA3524 600MHz Dual Frequency Synthesizer is one of the six chips in the PRISM chip set (see the Typical Application Diagram).

The HFA3524 is a monolithic, integrated dual frequency synthesizer, including prescaler, is to be used as a local oscill

HFA3524 Features

* very low current consumption of 13mA at 3V. Features

* 2.7V to 5.5V Operation

* Low Current Consumption

* Selectable Powerdown Mode ICC = 1µA Typical at 3V

* Dual Modulus Prescaler, 32/33 or 64/65

* Selectable Charge Pump High Z State Mode Applications