[AK1572]
5. Pin function Description and Assignment
1. Pin Functions
Power
Down
No
Name
I/O
AO
Pin function
Remarks
Connecting a capacitor to the ground
plane
1
VREF1
2
3
PVDD
GND
P
G
Synthesizer Power Supply
Connecting a resistor to the ground
plane
4
MIXBIAS
AI
5
6
MIXINN
MIXINP
AI
AI
Mixer Input
Mixer Complementary Input
7
MIXVDD
P
P
Mixer Power Supply
8
9
LOVDD
Mixer Local Power Supply
Mixer Output
Mixer Complementary Output
Power Control
MIXOUTP
AO
AO
Open collector
Open collector
10 MIXOUTN
11 PDN
DI
A logic low on this pin powers down
the device
Schmidt trigger input
12 LE
DI
Schmidt trigger input
Load Enable
13 CLK
14 DATA
15 LD
16 SVDD
17 LOP
DI
DI
DO
P
Serial Clock Input
Serial Data Input
Lock Detect Output
Interface Power Supply
Schmidt trigger input
Schmidt trigger input
LOW
AIO Local complementary Input / Output
AIO Local Input / Output
P
18 LON
19 OAVDD
Local Output Amplifier Power Supply
20 GND
G
AI
21 VCNT
Control Input to VCO
Connecting a capacitor to the ground
plane
22 VREF2
AO
23 GND
G
P
24 VCOVDD
VCO Power Supply
Connecting a resistor to the ground
plane
25 CPBIAS
26 CP
AI
Tri-St
ate
AO
Charge Pump Output
27 GND
G
P
28 CPVDD
Charge Pump Power Supply
Charge Pump Pre-Buffer Power
Supply
29 CPBUFVDD
P
MS1551-E-00
4
2013//8
AKM [ ASAHI KASEI MICROSYSTEMS ]
