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ADN2905ACPZ
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Product Detailed Parameters
- Description：IC CLK/DATA REC 10.3GBPS 24LFCSP
- Series：-
- PLL：Yes
- Mfr：Analog Devices Inc.
- Main Purpose：Ethernet
- Input：CML
- Output：CML
- Number of Circuits：1
- Ratio - Input:Output：1:01
- Differential - Input:Output：Yes/Yes
- Frequency - Max：10.3Gbps
- Voltage - Supply：1.14V ~ 3.63V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad, CSP
- Supplier Device Package：24-LFCSP (4x4)
- Grade：-
- Qualification：-
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Overview
The ADN2905ACPZ is a clock and data recovery IC designed for CPRI and 10G Ethernet applications. It supports continuous signal data rates from 614.4 Mbps to 10.3125 Gbps without requiring an external reference clock or programming. The device provides quantization, signal level detection, and automatic locking capabilities. Jitter performance exceeds SFF-8431 specifications. Power consumption ranges from 249.3 mW at 3.072 Gbps to 349.5 mW at 9.8304 Gbps in 0 dB EQ mode. It operates on supply voltages of 1.2 V, 1.8 V to 3.3 V, and 3.3 V within an ambient temperature range of −40°C to +85°C.
Feature Summary
- Supports serial CPRI data rates (614.4 Mbps to 9.8304 Gbps) and Ethernet rates (1.25 Gbps, 10.3125 Gbps).
- Includes optional equalizer or 0 dB EQ input modes with 200 mV p-p typical sensitivity.
- Features manual sample phase adjustment for data rates of 5.65 Gbps or greater.
- Integrates PRBS generator/detector and loss of lock indicator.
Applications
- SFF-8431-compatible systems
- 10GE and 1GE Ethernet interfaces
- CPRI OS/L.6 up to OS/L.96
Procurement Notes
Verify the specific package variant against the ordering guide. Confirm that the exposed pad is electrically connected to VEE during assembly. Ensure I2C address configuration via Pin 22 matches system requirements before integration.
Selection Notes
Select this component for high-speed optical transceivers requiring CPRI or 10G Ethernet compliance. Consider the adaptive equalizer capability if PCB trace losses are significant. Verify power supply stability across the 1.2 V and 3.3 V rails to maintain jitter performance.
Part Context
The ADN2905 belongs to Analog Devices' specialized timing and clock support product line. It is engineered specifically for receiver functions in high-speed serial communication links, providing robust clock recovery and data retiming for telecom and networking infrastructure.
Replacement Considerations
Public confirmed substitute part numbers: ADN2913, ADN2917.
FAQ
Does the ADN2905 require an external reference clock?
No, the ADN2905 automatically locks to specified data rates without needing an external reference clock or extra programming.
What is the maximum data rate supported by the ADN2905?
The ADN2905 supports a maximum data rate of 10.3125 Gbps.
How does the ADN2905 handle input signal impairments?
It offers an optional passive equalizer with up to 10 dB boost at 5 GHz or a 0 dB EQ mode to compensate for PCB trace losses.
