AD9516-5 Analog Devices, Inc., AD9516-5 Datasheet - Page 55
AD9516-5
Manufacturer Part Number
AD9516-5
Description
14-output Clock Generator
Manufacturer
Analog Devices, Inc.
Datasheet
1.AD9516-5.pdf
(76 pages)
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Reg.
Addr
(Hex) Bit(s) Name
010
010
010
010
011
012
013
014
015
016
016
Table 49. PLL
[7]
[6:4] CP current
[3:2] CP mode
[1:0] PLL power-
[7:0] 14-Bit
[5:0] 14-Bit
[5:0] 6-Bit
[7:0] 13-Bit
[4:0] 13-Bit
[7]
[6]
PFD polarity Sets the PFD polarity.
down
R Divider
Bits[7:0]
(LSB)
R Divider
Bits[13:8]
(MSB)
A counter
B Counter
Bits[7:0]
(LSB)
B Counter
Bits[12:8]
(MSB)
Set CP pin
to VCP/2
Reset R
counter
[7] = 0; positive (higher control voltage produces higher frequency) (default).
[7] = 1; negative (higher control voltage produces lower frequency).
Charge pump current (with CPRSET = 5.1 kΩ).
[6] [5]
0
0
0
0
1
1
1
1
Charge pump operating mode.
[3]
0
0
1
1
PLL operating mode.
[1]
0
0
1
1
R divider LSBs—lower eight bits (default: 0x01).
R divider MSBs—upper six bits (default: 0x00).
A counter (part of N divider) (default: 0x00).
B counter (part of N divider)—lower eight bits (default: 0x00).
B counter (part of N divider)—upper five bits (default: 0x00).
Set the CP pin to one-half of the VCP supply voltage.
[7] = 0; CP normal operation (default).
[7] = 1; CP pin set to VCP/2.
Reset R counter (R divider). This register is not self-clearing.
[6] = 0; normal (default).
[6] = 1; reset R counter.
Description
0
0
1
1
0
0
1
1
[2]
0
1
0
1
[0]
0
1
0
1
[4]
0
1
0
1
0
1
0
1
Charge Pump Mode
High impedance state.
Force source current (pump up).
Force sink current (pump down).
Normal operation (default).
Mode
Normal operation.
Asynchronous power-down (default).
Normal operation.
Synchronous power-down.
I
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8 (default)
CP
(mA)
Rev. 0 | Page 55 of 76
AD9516-5
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