[AK1220]

5. Pin Functional Description

Table 1 Pin Function

No.

Name

I/O

Pin Functions

Remarks

1

RFIN

AI

RF Input

Connecting a inductor between this pin and ground.

2

VSS

G

Ground pin

3

LOINN

AI

Lo Input Negative

4

LOINP

AI

Lo Input Positive

5

NC

-

Non Connect

6

NC

-

Non Connect

7

NC

-

Non Connect

8

NC

-

Non Connect

9

BIAS

AIO

Resistance pin for current

adjustment

Connecting a resistor between this pin and ground.

10

VDD

P

Power Supply

11

IFOUTN

AO

IF Output Negative

This pin is open drain output.

It needs power feeding via a inductor.

12

IFOUTP

AO

IF Output Positive

This pin is open drain output.

It needs power feeding via a inductor.

13

NC

-

Non Connect

14

NC

-

Non Connect

15

NC

-

Non Connect

16

NC

-

Non Connect

Note) It is recommended to connect NC pins to ground, although it will not make any impact on the electrical

characteristics if the pin is open.

AI: Analog input pin

AO: Analog output pin

AIO: Analog I/O pin

P: Power supply pin

G: Ground pin

MS1165-E-01

5

2010/11