Datasheet
Table Of Contents
- Features
- Applications
- General Description
- Functional Block Diagram
- Revision History
- Specifications
- Power Supply Requirements
- PLL Characteristics
- Clock Inputs
- Clock Outputs
- Timing Characteristics
- Clock Output Additive Phase Noise (Distribution Only; VCO Divider Not Used)
- Clock Output Absolute Phase Noise (Internal VCO Used)
- Clock Output Absolute Time Jitter (Clock Generation Using Internal VCO)
- Clock Output Absolute Time Jitter (Clock Cleanup Using Internal VCO)
- Clock Output Absolute Time Jitter (Clock Generation Using External VCXO)
- Clock Output Additive Time Jitter (VCO Divider Not Used)
- Clock Output Additive Time Jitter (VCO Divider Used)
- Delay Block Additive Time Jitter
- Serial Control Port
- PD, RESET, and SYNC Pins
- LD, STATUS, and REFMON Pins
- Power Dissipation
- Timing Diagrams
- Absolute Maximum Ratings
- Pin Configuration and Function Descriptions
- Typical Performance Characteristics
- Terminology
- Detailed Block Diagram
- Theory of Operation
- Operational Configurations
- High Frequency Clock Distribution—CLK or External VCO > 1600 MHz
- Internal VCO and Clock Distribution
- Clock Distribution or External VCO < 1600 MHz
- Phase-Locked Loop (PLL)
- Configuration of the PLL
- Phase Frequency Detector (PFD)
- Charge Pump (CP)
- On-Chip VCO
- PLL External Loop Filter
- PLL Reference Inputs
- Reference Switchover
- Reference Divider R
- VCXO/VCO Feedback Divider N—P, A, B, R
- Digital Lock Detect (DLD)
- Clock Distribution
- Reset Modes
- Power-Down Modes
- Operational Configurations
- Serial Control Port
- Thermal Performance
- Register Map Overview
- Register Map Descriptions
- Applications Information
- Outline Dimensions

AD9516-1 Data Sheet
Rev. C | Page 28 of 80
PROGRAMMABLE
N DELAY
REFIN (REF1)
REFIN (REF2)
CLK
CLK
REF1
REF2
AD9516-1
STATUS
STATUS
R
DIVIDER
VCO STATUS
PROGRAMMABLE
R DELAY
REFERENCE
SWITCHOVER
REF_SEL CPRSET
V
CP
V
S GND RSET
DISTRIBUTION
REFERENCE
REFMON
CP
STATUS
LD
P, P + 1
PRESCALER
A/B
COUNTERS
N DIVIDER
BYPASS
LF
LOW DROPOUT
REGULATOR (LDO)
VCO
PHASE
FREQUENCY
DETECTOR
LOCK
DETECT
CHARGE
PUMP
PLL
REFERENCE
HOLD
OUT0
OUT1
OUT0
OUT1
LVPECL
DIVIDE BY
1 TO 32
OUT2
OUT3
OUT2
OUT3
LVPECL
DIVIDE BY
1 TO 32
OUT4
OUT5
OUT4
OUT5
LVPECL
DIVIDE BY
1 TO 32
DIVIDE BY
1 TO 32
LVDS/CMOS
OUT6 (OUT6A)
OUT6 (OUT6B)
∆
t
OUT7 (OUT7A)
OUT7 (OUT7B)
∆
t
DIVIDE BY
1 TO 32
DIVIDE BY
1 TO 32
LVDS/CMOS
OUT8 (OUT8A)
OUT8 (OUT8B)
∆
t
OUT9 (OUT9A)
OUT9 (OUT9B)
∆
t
DIVIDE BY
1 TO 32
01
DIVIDE BY
2, 3, 4, 5, OR 6
PD
SYNC
RESET
SCLK
SDIO
SDO
CS
DIGITAL
LOGIC
SERIAL
CONTROL
PORT
06420-029
Figure 43. High Frequency Clock Distribution or External VCO > 1600 MHz