AD9517-2/PCBZ Analog Devices Inc, AD9517-2/PCBZ Datasheet - Page 67

• Manufacturer Part Number: AD9517-2/PCBZ
• Description: BOARD EVAL FOR AD9517-2
• Manufacturer: Analog Devices Inc

Specifications of AD9517-2/PCBZ

• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9517-2
• Primary Attributes: 2 Inputs, 12 Outputs, 2.2GHz VCO
• Secondary Attributes: CMOS, LVDS, LVPECL Output Logic, ADIsimCLK™ Graphical User Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Reg.
Addr.
(Hex)
0x0AA
0x0AB
Table 56. LVPECL Outputs
Reg.
Addr.
(Hex)
0x0F0
Bits
4
[3:2]
[1:0]
Bits
[5:3]
[2:0]
[5:0]
Name
OUT7 ramp capacitors
OUT7 ramp current
OUT7 delay fraction
Name
OUT0 invert
OUT0 LVPECL
differential voltage
OUT0 power-down
Description
Sets the output polarity.
0: noninverting (default).
1: inverting.
Sets the LVPECL output differential voltage (V
3
0
0
1
1
LVPECL power-down modes.
1
0
0
1
1
Description
Selects the number of ramp capacitors used by the delay function. The combination of the
number of capacitors and the ramp current sets the delay full scale.
5
0
0
0
0
1
1
1
1
Ramp current for the delay function. The combination of the number of capacitors and the ramp
current sets the delay full scale.
2
0
0
0
0
1
1
1
1
Selects the fraction of the full-scale delay desired (6-bit binary).
000000 gives zero delay.
Only delay values up to 47 decimals (101111b; 0x2F) are supported (default = 0x00).
4
0
0
1
1
0
0
1
1
1
0
0
1
1
0
0
1
1
2
0
1
0
1
0
0
1
0
1
3
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
V
400
600
780 (default)
960
Mode
Normal operation (default).
Partial power-down, reference on;
use only if there are no external load resistors.
Partial power-down, reference on, safe LVPECL power-down.
Total power-down, reference off;
use only if there are no external load resistors.
OD
(mV)
Rev. B | Page 67 of 80
Number of Capacitors
4 (default)
3
3
2
3
2
2
1
Current Value (μA)
200 (default)
400
600
800
1000
1200
1400
1600
OD
).
AD9517-2
Output
On
Off
Off
Off