[AK1224]
5. Pin Function Description
Table 1 Pin Function
Pin Function
No.
1
Name
RFIN
I/O
AI
Remarks
RF Input
Connecting a inductor between this pin and ground.
2
VSS
VSS
G
Ground pin
Ground pin
G
3
4
5
6
LOINN
LOINP
BIAS1
AI
AI
Lo Input Negative
Lo Input Positive
AIO Resistance pin for current Connecting a resistor between this pin and ground.
adjustment
7
BIAS2
AIO Resistance pin for current Connecting a resistor between this pin and ground.
adjustment
8
9
VDD
VDD
P
Power Supply
Power Supply
Power Supply
IF Output Negative
VDD
P
VDD
10 VDD
P
VDD
IFOUTN
AO
This pin is open drain output.
It needs power feeding via an inductor.
This pin is open drain output.
It needs power feeding via an inductor.
11
12
IFOUTP
AO
IF Output Positive
13 VSS
POWER
G
Ground pin
DI
Power Down control pin
High：Power OFF
14
DOWN_H
BIAS
Low：Power ON
DI
G
Bias Resistance select pin
Ground pin
High：Bias2 pin is enable
Low：Bias1pin is enable
15
SELECT
VSS
16
Note)
The exposed pad at the center of the backside should be connected to ground.
AI:Analog input pin
P: Power supply pin
AO:Analog output pin
G: Ground pin
AIO:Analog I/O pin
DI:Digital input pin
MS1413-E-01
4
2013/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
