Part A
ADN2816ACPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 5594 PCS
- Package
- LFCSP-32
- Series
- Horloge Timing - applications spécifiques
Replacement verdict
Compatible functional replacement candidate
The ADN2816ACPZ and ADN2806ACPZ are closely related clock and data recovery ICs from the same Analog Devices family, sharing an identical LFCSP package, supply voltage range, and output interface. The ADN2816ACPZ supports a wider data rate range extending to 675 Mbps, while the ADN2806ACPZ is specified for a narrower operating band. Both devices are functionally interchangeable in many designs, but the data rate range and jitter performance should be validated against the target application before substitution.
Package Type
High match
Output Type
High match
Data Rate Range
Validation required
Jitter Performance
Validation required
Parts at a glance
Part B
ADN2806ACPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 6005 PCS
- Package
- WFQFN-32
- Series
- Horloge Timing - applications spécifiques
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADN2816ACPZ | ADN2806ACPZ | Why it matters |
|---|---|---|---|
| Data Rate Range | 10 Mbps to 675 Mbps | 155 Mbps to 675 Mbps | The ADN2816 supports lower data rates down to 10 Mbps, while the ADN2806 has a minimum of 155 Mbps; this determines whether the device can handle low-speed legacy or proprietary protocols. |
| Jitter Tolerance (typical) | 0.6 UI at 10 Mbps, 0.4 UI at 675 Mbps | 0.4 UI at 155 Mbps, 0.4 UI at 675 Mbps | Jitter tolerance affects the receiver's ability to correctly recover data in the presence of timing distortion; the ADN2816 offers higher tolerance at low data rates. |
| Input Sensitivity | 5 mV p-p (typical) | 5 mV p-p (typical) | Input sensitivity determines the minimum signal amplitude the receiver can detect; both parts share the same sensitivity, so this is not a differentiator. |
| Supply Voltage | 3.3 V | 3.3 V | Both devices operate from a 3.3 V supply, so power-rail compatibility is identical between the two parts. |
| Package | 32-Lead LFCSP (5 mm x 5 mm) | 32-Lead LFCSP (5 mm x 5 mm) | Package and footprint compatibility allow drop-in replacement on an existing PCB layout without redesign. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Identical industrial temperature ranges mean both parts suit the same environmental conditions. |
| Output Type | CML (Current Mode Logic) | CML (Current Mode Logic) | Matching output logic levels ensure interoperability with the same downstream SERDES or driver circuitry. |
| Power Consumption | Approximately 300 mW (typical) | Approximately 300 mW (typical) | Similar power consumption means thermal and power-budget considerations are equivalent for both parts. |
| Lock Detect / Loss of Signal | Yes (LOL and LOS outputs) | Yes (LOL and LOS outputs) | Both provide loss-of-lock and loss-of-signal indicators, enabling identical system monitoring and fault handling. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADN2816ACPZ | ADN2806ACPZ |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Analog Devices Inc. |
| Part Status | Active | Active |
| PLL | Yes | Yes |
| Main Purpose | SONET/SDH | SONET/SDH |
| Input | CML | CML |
| Output | LVDS | LVDS |
| Number of Circuits | 1 | 1 |
| Ratio - Input: Output | 1:2 | 1:2 |
| Differential - Input: Output | Yes/Yes | Yes/Yes |
| Frequency - Max | 675MHz | 622MHz |
| Voltage - Supply | 3V ~ 3.6V | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary differences between the ADN2816ACPZ and ADN2806ACPZ?
Both are Analog Devices clock and data recovery (CDR) ICs in a 32-lead LFCSP package, but they target different data rates. The ADN2816ACPZ is specified for continuous operation from 10 Mbps to 675 Mbps, while the ADN2806ACPZ is specified for 622 Mbps operation. The ADN2816ACPZ also integrates a limiting amplifier and offers a broader rate range, whereas the ADN2806ACPZ is a fixed-rate 622 Mbps CDR.
Are the ADN2816ACPZ and ADN2806ACPZ pin-compatible?
Yes. Both devices are offered in the same 32-lead LFCSP (5 mm × 5 mm) package with the same pinout, which allows a common PCB footprint. However, pin compatibility does not guarantee functional equivalence; the surrounding circuit and configuration must be validated for the specific data rate and application.
What data rates does the ADN2816ACPZ support compared with the ADN2806ACPZ?
The ADN2816ACPZ supports continuous data rates from 10 Mbps to 675 Mbps without requiring a rate-select configuration. The ADN2806ACPZ is designed for 622 Mbps (OC-12/STM-4) operation. Designs requiring multi-rate or lower-rate operation should use the ADN2816ACPZ.
Do both devices support the same supply voltage and temperature range?
Both devices operate from a single 3.3 V supply and are specified over the industrial temperature range of −40°C to +85°C. Always confirm the exact limits in the respective Analog Devices datasheet before finalizing a design.
Can the ADN2806ACPZ be replaced by the ADN2816ACPZ in an existing 622 Mbps design?
Because both share the same package and pinout, the ADN2816ACPZ can be considered a functional superset for 622 Mbps applications. However, the replacement should be validated against the ADN2816ACPZ datasheet for jitter performance, loop filter configuration, and output interface timing before production use.
What output interface do the ADN2816ACPZ and ADN2806ACPZ provide?
Both devices provide CML-compatible differential data and clock outputs. The exact output swing, termination requirements, and jitter specifications are defined in the respective Analog Devices datasheets and should be verified for the target link budget.
Which device is better suited for multi-rate optical module designs?
The ADN2816ACPZ is better suited for multi-rate designs because it operates continuously from 10 Mbps to 675 Mbps. The ADN2806ACPZ is intended for fixed 622 Mbps applications, so multi-rate systems should specify the ADN2816ACPZ.