HMC702LP6CE Datasheet, PDF (30/38 Pages) Hittite Microwave Corporation – 14 GHz 16-Bit Fractional-N Synthesizer

v10.0812
HMC702LP6CE
14 GHz 16-BIT FRACTIONAL-N PLL

Table 14. Reg 08h Charge Pump Trim & Offset Register
Bit
Type
Name
Default
Description
3:0
R/W cp_UPtrim_sel
0
Trim Up gain, 14.3uA lsb, binary, 100uA max
Program 0
7:4
R/W cp_DNtrim_sel
0
Trim Dn gain, 14.3uA lsb, binary, 100uA max
Program 0
11:8
R/W cp_UPoffset_sel
Up Offset leakage current, 28.7uA lsb, binary,
4h
430uA max Program as needed. See Charge
Pump Phase Offset section
15:12
R/W cp_DNoffset_sel
Dn Offset leakage current, 28.7uA , binary,
0
430uAmax Program as needed. See Charge
Pump Phase Offset section
17:16
R/W cp_amp_bias_sel
2h
Charge Pump Dummy Branch Op amp bias
selection, 100uA Program 10
Table 15. Reg 09h Charge Pump EN Register
Bit
Type
Name
Default
0
R/W cp_pull_updn_en
0
1
R/W cp_pull_dn_upb
0
Description
Enables CP UP/Down Control Reg09 ^[1]
0 - Forces Charge Pump Up when Reg09[0]=1
1 - Forces Charge Pump DN when Reg09[0]=1
Table 16. Reg 0Ah Reserved
Bit
Type
Name
23:0
R/W Reserved
Default
304h
Reserved
Description
Table 17. Reg 0Bh Reserved
Bit
Type
Name
23:0
R/W Reserved
Default
0
Reserved
Description
Table 18. Reg 0Ch Reserved
Bit
Type
Name
23:0
R/W Reserved
Default
100h
Reserved
Description
Table 19. Reg 0Dh Reserved
Bit
Type
Name
23:0
R/W Reserved
Default
20h
Reserved
Description
Table 20. Reg 0Eh Reserved
Bit
Type
Name
23:0
R/W Reserved
Default
0
Reserved
Description
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