Part A
ADF41513BCPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 6981 PCS
- Package
- WFQFN-24
- Series
- Horloge Timing - générateur d'horloge, PLL, synthétiseur de fréquence
Replacement verdict
Compatible functional replacement candidate
The ADF4169CCPZ and ADF41513BCPZ are both fractional-N PLL frequency synthesizers from Analog Devices sharing a 24-lead LFCSP footprint and a 3.0 V to 3.6 V supply range, making them viable functional candidates in the same socket. However, the ADF4169CCPZ integrates a waveform generation function with a maximum RF output of 13.5 GHz, while the ADF41513BCPZ extends operation to 26.5 GHz without waveform generation, so the substitution is only valid where the higher frequency range is not required and waveform generation is not needed. Designers must validate loop filter, charge pump current, and reference path settings against the target application before committing to a drop-in replacement.
Package Type
Validation required
Supply Voltage Range
Validation required
Maximum RF Output Frequency
Not compatible
Integrated Waveform Generation
Not compatible
Parts at a glance
Part B
ADF4169CCPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2362 PCS
- Package
- WFQFN-24
- 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 | ADF4169CCPZ | ADF41513BCPZ | Why it matters |
|---|---|---|---|
| Frequency Range (RF) | Up to 13.6 GHz | Up to 13 GHz | Defines the maximum operating frequency; a higher upper limit allows use in higher-band applications. |
| Maximum PFD Frequency | 250 MHz | 250 MHz | Higher phase-frequency detector rates enable wider loop bandwidths and faster lock times. |
| Normalized Phase Noise Floor | -227 dBc/Hz | -230 dBc/Hz | Lower phase noise floor improves spectral purity and signal quality in the synthesizer output. |
| 1/f Noise (Flicker) | -120 dBc/Hz | -125 dBc/Hz | Lower flicker noise reduces close-in phase noise, which is critical for narrowband and low-jitter applications. |
| RF Output Power | +5 dBm | +5 dBm | Output power affects the drive level to downstream mixers or amplifiers and overall link budget. |
| Supply Voltage | 3.3 V | 3.3 V | Matching supply voltage simplifies power rail design and allows drop-in replacement in existing boards. |
| Package | 32-Lead LFCSP (5x5 mm) | 32-Lead LFCSP (5x5 mm) | Identical package and footprint enable direct PCB substitution without layout changes. |
| Operating Temperature Range | -40 to +85 °C | -40 to +85 °C | Confirms suitability for industrial and commercial environments with matching thermal limits. |
| Interface | 3-wire SPI | 3-wire SPI | Same serial control interface allows reuse of existing microcontroller firmware and timing. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADF41513BCPZ | ADF4169CCPZ |
|---|---|---|
| Part Status | Active | Active |
| Type | Integer-N/Fractional-N | - |
| PLL | Yes | - |
| Input | CML, CMOS | - |
| Output | Clock | - |
| Number of Circuits | 1 | - |
| Ratio - Input: Output | 2:1 | - |
| Differential - Input: Output | Yes/No | - |
| Frequency - Max | 26.5GHz | - |
| Divider / Multiplier | Yes/Yes | - |
| Voltage - Supply | 3.135V ~ 3.465V | - |
| Operating Temperature | -40°C ~ 105°C | - |
| Mounting Type | Surface Mount | - |
Frequently asked questions
What are the key differences between the ADF4169CCPZ and the ADF41513BCPZ?
The ADF4169CCPZ is a 13.5 GHz fractional-N/integer-N PLL synthesizer with an integrated VCO, while the ADF41513BCPZ is a 26.5 GHz fractional-N/integer-N PLL synthesizer that requires an external VCO. The ADF41513BCPZ offers a higher maximum RF input frequency and lower normalized phase noise floor, whereas the ADF4169CCPZ integrates the VCO for a more compact signal chain.
What is the maximum RF output frequency of each device?
The ADF4169CCPZ supports RF output frequencies up to 13.5 GHz. The ADF41513BCPZ supports RF input frequencies up to 26.5 GHz when paired with an appropriate external VCO.
Do both devices share the same package and pinout?
No. The ADF4169CCPZ is supplied in a 32-lead LFCSP package, while the ADF41513BCPZ is supplied in a 24-lead LFCSP package. The pin counts and pin functions differ, so the PCB land patterns are not interchangeable.
Which device offers a lower normalized phase noise floor?
The ADF41513BCPZ specifies a normalized phase noise floor of -234 dBc/Hz, which is lower than the ADF4169CCPZ figure. This makes the ADF41513BCPZ preferable for applications requiring very low phase noise with a suitable external VCO.
Does the ADF4169CCPZ include an integrated VCO?
Yes. The ADF4169CCPZ integrates a VCO, which simplifies the loop filter and signal chain design. The ADF41513BCPZ does not include an integrated VCO and requires an external VCO to complete the synthesizer loop.
What are the typical applications for each device?
The ADF4169CCPZ is typically used in radar, test equipment, and wireless infrastructure where an integrated VCO up to 13.5 GHz is sufficient. The ADF41513BCPZ is typically used in high-frequency radar, satellite communications, and instrumentation where operation up to 26.5 GHz and low phase noise are required.
Can the ADF4169CCPZ and ADF41513BCPZ be used interchangeably in an existing design?
No. The devices differ in package, pinout, maximum frequency, VCO integration, and phase noise performance. A direct substitution is not possible without redesigning the PCB, loop filter, and VCO circuitry and revalidating the design against the manufacturer datasheets.