PE3502 datasheet(2/7 Pages) PEREGRINE

Part #	PE3502

Description	3500 MHz Low Power UltraCMOS??Divide-by-4 Prescaler

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Manufacturer	PEREGRINE [Peregrine Semiconductor Corp.]

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Product Specification

PE3502

Page 2 of 7

Document No. 70-0046-04

│ UltraCMOS™ RFIC Solutions

Table 2. Pin Descriptions

Table 3. Absolute Maximum Ratings

Electrostatic Discharge (ESD) Precautions

When handling this UltraCMOS™ device, observe

the same precautions that you would use with

other ESD-sensitive devices. Although this device

contains circuitry to protect it from damage due to

ESD, precautions should be taken to avoid

exceeding the rating specified in Table 3.

Latch-Up Avoidance

Unlike conventional CMOS devices, UltraCMOS™

devices are immune to latch-up.

Figure 3. Pin Configuration (Top View)

Device Functional Considerations

The PE3502 takes an input signal frequency from

1500 MHz to 3500 MHz and produces an output

signal frequency one-fourth that of the supplied

input. In order for the prescaler to work properly,

several conditions need to be adhered to. It is

crucial that pin 3 be supplied with a bypass

capacitor to ground. In addition, the input and

output signals (pins 2 & 7, respectively) need to

be AC coupled via an external capacitor as shown

in the test circuit in Figure 7.

The ground pattern on the board should be made

as wide as possible to minimize ground

impedance.

Absolute Maximum Ratings are those values

listed in the above table. Exceeding these values

may cause permanent device damage. Exposure

to absolute maximum ratings for extended periods

may affect device reliability.

3502

1

2

3

4

8

7

6

5

IN

GND

DEC

GND

OUT

VDD

GND

No.

Name

Description

1

VDD

Power supply pin. Bypassing is required.

2

IN

Input signal pin. Should be coupled with a

capacitor (eg 15 pF)

3

DEC

Power supply decoupling pin. Place a ca-

pacitor as close as possible and connect

directly to the ground plane (eg 10 nF and

10 pF).

4

GND

Ground pin. Ground pattern on the board

should be as wide as possible to reduce

ground impedance.

5

GND

Ground pin.

6

GND

Ground pin.

7

OUT

Divided frequency output pin. This pin

should be coupled with a capacitor (eg 100

pF).

8

GND

Ground pin.

Symbol

Parameter/Conditions

Min

Max

Units

VDD

Supply voltage

4.0

V

TST

Storage temperature

range

-65

150

°C

TOP

Operating temperature

range

-40

85

°C

VESD

ESD voltage (Human

Body Model)

250

V

PINMAX

Maximum input power

10

dBm

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