SP5659 Datasheet, PDF (6/12 Pages) Mitel Networks Corporation – 2·7GHz I2C Bus Low Phase Noise Synthesiser

SP5659
RE RTS TS2 TS1 TS0 REF/COMP O/P mode
Test mode description
0 0 X X X Disabled to high state
Normal operation
0 1 X 0 0 Disabled to high state Charge pump sink, status byte FL = 1
0 1 X 0 1 Disabled to high state Charge pump source, status byte FL = 0
0 1 X 1 0 Disabled to high state Charge pump disabled, status byte FL = 0
0 1 X 1 1 Disabled to high state
0 1 1 X X Disabled to high state
Port P0 = F_PD/2
Varactor drive output disabled
1 0XXX
1 1XXX
F_REF switched
F_COMP switched
Normal operation
Normal operation
Table 6 REF/COMP output mode and test modes
C1
C0
byte 5, bit 1 byte 5, bit 2
Min.
Current (µA)
Typ.
0
0
690
6120
0
1
6195
6260
1
0
6416
6555
1
1
6900
61200
Table 7 Charge pump current
Max.
6150
6325
6694
61500
Fig. 3 Data formats (continued)
300
300
100
OPERATING
WINDOW
100
OPERATING
WINDOW
40
40
10
100
1000
2000
3000 3500
FREQUENCY (MHz)
Fig. 4a Prescaler disabled, PE = 0
10
100 300
1000
2000
2700 3000 3500
FREQUENCY (MHz)
Fig. 4b Prescaler enabled, PE = 1
Fig. 4 Typical input sensitivity
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