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 ADF41513BCPZ and ADF4169CCPZ-RL7 are both single-channel integer-N/fractional-N PLL frequency synthesizers from Analog Devices in a compatible 24-lead LFCSP package, making them a viable functional replacement candidate. However, the ADF4169CCPZ-RL7 integrates a higher maximum RF input frequency and on-chip waveform generation features, while the ADF41513BCPZ offers a lower normalized phase noise floor. Designers should validate loop filter design, reference frequency planning, and register map compatibility before substituting one for the other in an existing design.
Package Type
High match
Frequency Range
High match
Phase Noise Performance
Validation required
Integrated Features
Validation required
Parts at a glance
Part B
ADF4169CCPZ-RL7
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2632 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 | ADF41513BCPZ | ADF4169CCPZ-RL7 | Why it matters |
|---|---|---|---|
| Maximum RF Output Frequency | 13 GHz | 13.5 GHz | Defines the highest frequency the PLL/VCO can synthesize; the ADF4169 reaches slightly higher frequencies, affecting upper-band coverage. |
| Minimum RF Output Frequency | 500 MHz | 500 MHz | Sets the lower bound of usable output range; identical here, so low-band coverage is equivalent. |
| Integrated VCO | No (external VCO required) | Yes (integrated VCO) | An integrated VCO simplifies design and reduces board area; the ADF41513 requires an external VCO, changing the surrounding circuit architecture. |
| Maximum PFD / Reference Frequency | 250 MHz | 250 MHz | Determines phase detector comparison rate and achievable phase noise; identical values mean similar reference handling capability. |
| Normalized Phase Noise Floor | -233 dBc/Hz | -224 dBc/Hz | Lower phase noise floor yields cleaner spectral performance; the ADF41513 offers better normalized noise, which can matter in sensitive RF systems. |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | Defines the required power rail; identical ranges allow the same supply design for either part. |
| Package | 32-Lead LFCSP (5x5 mm) | 32-Lead LFCSP (5x5 mm) | Footprint and thermal characteristics depend on package; identical packages ease PCB layout substitution. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Determines environmental suitability; identical ranges mean equivalent industrial temperature tolerance. |
| Interface | 3-wire SPI | 3-wire SPI | Defines the digital control protocol; identical SPI interfaces allow reuse of the same microcontroller firmware and bus design. |
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-RL7 |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Active |
| PLL | Yes | Yes |
| Main Purpose | - | FMCW Radar |
| Input | CML, CMOS | CMOS |
| Output | Clock | Clock |
| Number of Circuits | 1 | 1 |
| Ratio - Input: Output | 2:1 | 2:1 |
| Differential - Input: Output | Yes/No | Yes/No |
| Frequency - Max | 26.5GHz | 13.5GHz |
| Voltage - Supply | 3.135V ~ 3.465V | 2.7V ~ 3.45V |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Type | Integer-N/Fractional-N | - |
| Divider / Multiplier | Yes/Yes | - |
Frequently asked questions
What are the primary differences between the ADF41513BCPZ and the ADF4169CCPZ-RL7?
The ADF41513BCPZ is a 26.5 GHz fractional-N/integer-N PLL synthesizer with an integrated VCO, while the ADF4169CCPZ-RL7 is a 13.5 GHz fractional-N PLL synthesizer that requires an external VCO. The ADF41513 offers a higher maximum RF output frequency and includes an on-chip VCO, whereas the ADF4169 provides a lower frequency range and relies on an external VCO for signal generation.
Do the ADF41513BCPZ and ADF4169CCPZ-RL7 use the same package and pinout?
No. The ADF41513BCPZ is supplied in a 32-lead LFCSP package, while the ADF4169CCPZ-RL7 is supplied in a 24-lead LFCSP package. Because the package sizes and pin counts differ, the PCB land patterns and pin functions are not interchangeable, so a direct drop-in replacement is not possible.
What is the maximum RF output frequency of each device?
The ADF41513BCPZ supports RF output frequencies up to 26.5 GHz, making it suitable for high-frequency applications such as microwave and millimeter-wave systems. The ADF4169CCPZ-RL7 supports RF output frequencies up to 13.5 GHz, which covers lower-frequency microwave applications.
Does the ADF41513BCPZ include an integrated VCO while the ADF4169CCPZ-RL7 does not?
Yes. The ADF41513BCPZ integrates a VCO on-chip, which simplifies the RF signal chain and reduces external component count. The ADF4169CCPZ-RL7 does not include an integrated VCO and requires an external VCO to complete the synthesizer loop.
Are the ADF41513BCPZ and ADF4169CCPZ-RL7 pin-compatible for direct substitution?
No. The two devices have different package types (32-lead LFCSP versus 24-lead LFCSP), different pin counts, and different pin functions. Direct substitution without PCB redesign and revalidation against the manufacturer datasheets is not supported.
Which device is better suited for higher-frequency microwave applications?
The ADF41513BCPZ is better suited for higher-frequency microwave and millimeter-wave applications because its maximum RF output frequency reaches 26.5 GHz. The ADF4169CCPZ-RL7, with a maximum output of 13.5 GHz, is more appropriate for lower-frequency microwave designs.
Do both devices support fractional-N synthesis?
Yes. Both the ADF41513BCPZ and the ADF4169CCPZ-RL7 are fractional-N PLL synthesizers, allowing fine frequency resolution through fractional divider ratios. This makes both suitable for applications requiring precise frequency tuning and low phase noise.