Connection Diagram

Small Outline Package

TLW11755 – 2

Top View

Order Number LMX2240M

See NS Package Number M16A

Pin Description

Pin No

Pin Name

IO

Description

1

PD

I

Power Down a HIGH signal switches the part to power down mode

2

RSSI Out

O

Voltage output of the received signal strength indicator (RSSI)

3

NC

No connection

4

GND

Ground

5

GND

Ground

6

MID

O

Mid-range output of the discriminator can be used for comparator threshold

7

Demod Out

O

Demodulated output of the discriminator

Source voltage for the mixer (discriminator)

Source voltage for the limiter

10

Quad In

I

Quadrature input A DC path from source through an inductor must be present at

this pin but there must be no series resistance (a parallel resistor to the inductor

is acceptable)

11

Lim Out

O

Limiter output to the quadrature tank

12

GND

Ground

13

GND

Ground

14

Comp

Compensation pin for the limiter See Applications Information for capacitor

value

15

Comp

Compensation pin for the limiter See Applications Information for capacitor

value

16

IF In

I

IF input to the limiter

2