[AK1222]

MS1314-E-01

2013/05

- 5 -

5. Pin Functional Description

Table 1 Pin Function

No.

Name

I/O

Pin Functions

Remarks

1

RFIN

AI

RF Input

Connecting an 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 an inductor.

12

IFOUTP

AO

IF Output Positive

This pin is open drain output.

It needs power feeding via an 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