AK1541_17 Datasheet, PDF (5/37 Pages) Asahi Kasei Microsystems – 20 to 600Mhz Delta-Sigma Fractional-N Frequency Synthesizer

[AK1541]
Filter Schematic”. The [SWIN] pin could be open even when the first lockup feature is not used.
Note 3) Power down refers to the state where [PDN1]=[PDN2]=”Low” after power-on.
AI: Analog input pin
AO: Analog output pin AIO: Analog I/O pin DI: Digital input pin
DO: Digital output pin P: Power supply pin
G: Ground pin
24 23 22 21 20 19
CPVDD 1
18 _PVDD
TEST4 2
17 RFINP
TEST1 3
LE
4
TOP
VIEW
16 RFINN
15 _VREF2
DATA 5
14 DVSS
CLK
6
13 VREF1
7 8 9 10 11 12
Fig. 2 Package Pin Layout
MS1043-E-05
5
2013/03