Connection Diagram

Pin Descriptions

Pin

No.

Pin

Name

I/O

Description

1

IN

I

RF small signal prescaler input. Small signal input from the voltage controlled

oscillator

2V

CC

—

Power Supply voltage input may range from 2.7V to 5.5V. Bypass capacitors

should be placed as close as possible to this pin and be connected directly

to the ground plane.

3

SW1

I

Divide Ratio Control. CMOS logic input. Pin functionality is described in the

Modulus Control Truth Table.

4

OUT

O

Prescaler Output. CMOS level output for connection to low frequency PLL

input.

5

GND

—

Ground for analog and digital signals.

6

MC

I

Modulus Control Input. High impedance CMOS logic input. Pin functionality is

described in the Modulus Control Truth Table.

7

SW2

I

Divide Ratio Control. High impedance CMOS logic input. Pin functionality is

described in the Modulus Control Truth Table.

8IN

I

RF small signal prescaler complementary input. In single-ended mode, a

bypass capacitor should be placed as close as possible to this pin and be

connected directly to the ground plane. The IN and IN can be driven

differentially when the bypass capacitor is omitted.

Small Outline Package (SOP)

DS100940-2

NS Package Number M08A

Order Number LMX5080M, LMX5080MX

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