AD9517-4BCPZ Analog Devices Inc, AD9517-4BCPZ Datasheet - Page 72

IC CLOCK GEN 1.8GHZ VCO 48-LFCSP

AD9517-4BCPZ

Manufacturer Part Number
AD9517-4BCPZ
Description
IC CLOCK GEN 1.8GHZ VCO 48-LFCSP
Manufacturer
Analog Devices Inc
Type
Clock Generator, Fanout Distributionr
Datasheet

Specifications of AD9517-4BCPZ

Design Resources
High Performance, Dual Channel IF Sampling Receiver (CN0140)
Pll
Yes
Input
CMOS, LVDS, LVPECL
Output
CMOS, LVDS, LVPECL
Number Of Circuits
1
Ratio - Input:output
1:12
Differential - Input:output
Yes/Yes
Frequency - Max
1.8GHz
Divider/multiplier
Yes/No
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LFCSP
Frequency-max
1.8GHz
Clock Ic Type
Clock Generator
Ic Interface Type
Serial
Frequency
1.8GHz
No. Of Outputs
12
Supply Current
100µA
Supply Voltage Range
3.135V To 3.465V
Digital Ic Case Style
LFCSP
Rohs Compliant
Yes
For Use With
AD9517-4/PCBZ - BOARD EVALUATION AD9517-4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AD9517-4
Reg.
Addr.
(Hex)
0x197
0x198
Table 59. LVDS/CMOS Channel Dividers
Reg.
Addr.
(Hex)
0x199
0x19A
0x19B
0x19C
0x19D
0x19E
Bits
4
[3:0]
1
0
Bits
[7:4]
[3:0]
[7:4]
[3:0]
[7:4]
[3:0]
5
4
3
2
1
0
0
[7:4]
[3:0]
Low Cycles Divider 2.2
Low Cycles Divider 3.1
Name
Divider 1 start high
Divider 1 phase offset
Divider 1 direct to output
Divider 1 DCCOFF
Name
Low Cycles Divider 2.1
High Cycles Divider 2.1
Phase Offset Divider 2.2
Phase Offset Divider 2.1
High Cycles Divider 2.2
Bypass Divider 2.2
Bypass Divider 2.1
Divider 2 nosync
Divider 2 force high
Start High Divider 2.2
Start High Divider 2.1
Divider 2 DCCOFF
High Cycles Divider 3.1
Description
Selects clock output to start high or start low.
0: start low (default).
1: start high.
Phase offset (default = 0x0).
Connect OUT2 and OUT3 to Divider 2 or directly to VCO or CLK.
0: OUT2 and OUT3 are connected to Divider 1 (default).
1: If Register 0x1E1[1:0] = 10b, the VCO is routed directly to OUT2 and OUT3.
If Register 0x1E1[1:0] = 00b, the CLK is routed directly to OUT2 and OUT3.
If Register 0x1E1[1:0] = 01b, there is no effect.
Duty-cycle correction function.
0: enable duty-cycle correction (default).
1: disable duty-cycle correction.
Description
Number of clock cycles (minus 1) of 2.1 divider input during which 2.1 output stays low.
A value of 0x0 means that the divider is low for one input clock cycle (default = 0x0).
Number of clock cycles (minus 1) of 2.1 divider input during which 2.1 output stays high.
A value of 0x0 means that the divider is high for one input clock cycle (default = 0x0).
Refer to LVDS/CMOS channel divider function description (default = 0x0).
Refer to LVDS/CMOS channel divider function description (default = 0x0).
Number of clock cycles (minus 1) of 2.2 divider input during which 2.2 output stays low.
A value of 0x0 means that the divider is low for one input clock cycle (default = 0x0).
Number of clock cycles (minus 1)of 2.2 divider input during which 2.2 output stays high.
A value of 0x0 means that the divider is high for one input clock cycle (default = 0x0).
Bypass (and power-down) 2.2 divider logic, route clock to 2.2 output.
0: do not bypass (default).
1: bypass.
Bypass (and power-down) 2.1 divider logic, route clock to 2.1 output.
0: do not bypass (default).
1: bypass.
Nosync.
0: obey chip-level SYNC signal (default).
1: ignore chip-level SYNC signal.
Force Divider 2 output high. Requires that nosync also be set.
0: force low (default).
1: force high.
Divider 2.2 start high/low.
0: start low (default).
1: start high.
Divider 2.1 start high/low.
0: start low (default).
1: start high.
Duty-cycle correction function.
0: enable duty-cycle correction (default).
1: disable duty-cycle correction.
Number of clock cycles (minus 1) of 3.1 divider input during which 3.1 output stays low.
A value of 0x0 means that the divider is low for one input clock cycle (default = 0x0).
Number of clock cycles (minus 1) of 3.1 divider input during which 3.1 output stays high.
A value of 0x0 means that the divider is high for one input clock cycle (default = 0x0).
Rev. B | Page 72 of 80

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