SP5748 Datasheet, PDF (6/15 Pages) Mitel Networks Corporation – 2.4GHz Very Low Phase Noise PLL

SP5748 Advance Information
+j1
+j0.5
+j2
+j0.2
+j5
S₁₁ : _Zo = 50Ω
Normalised to 50Ω
0
1
-j0.2
2 _-j5
3
4
-j0.5
-j2
-j1
Figure 3 RF input impedance
Frequency Markers at 500MHz,
1GHz, 1.5GHz and 2.4GHz
CLOCK
ENABLE
DATA
2²⁵
2²⁴
2²³
2²²
2²¹
2²⁰
2¹⁹
2¹⁸
2¹⁷
2¹⁶
2⁰
P1
P0 T0
C1
C0
R2 R1 R0
RD MSB
LSB
Frequency data
TIMING DIAGRAM
TBC
2^16 to 2^0
R2,R1,R0
RD
P1,P0
C1,C0
T0
: Programmable divider ratio control bits
: Reference divider control bits
: Reference divider mode select
: Port control bits
: Charge pump current select
: Test mode enable
Figure 4 Data format
C1
C0
Current (in mA)
0
0
0.2
0
1
0.9
1
0
.1
1
1
.45
Figure 5 Charge pump current
6