Part A
ADF4169CCPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2362 PCS
- Package
- WFQFN-24
- Series
- Horloge Timing - applications spécifiques
Replacement verdict
Compatible functional replacement candidate
The ADF4169CCPZ and ADF4107BCP are both integer-N PLL frequency synthesizers in a 20-lead LFCSP package with a compatible 3-wire SPI interface and overlapping supply voltage ranges, making the ADF4169CCPZ a viable functional replacement candidate for the ADF4107BCP in many designs. However, the ADF4169CCPZ offers a higher maximum RF input frequency and integrated waveform generation features, while the ADF4107BCP supports a wider operating temperature range. Designers should validate RF input frequency requirements, temperature range, and any waveform-generation dependencies before substituting.
Package Type
High match
Supply Voltage Range
High match
Maximum RF Input Frequency
Validation required
Operating Temperature Range
Validation required
Parts at a glance
Part B
ADF4107BCP
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 5195 PCS
- Package
- WFQFN-20
- Series
- Horloge Timing - générateur d'horloge, PLL, synthétiseur de fréquence
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 | ADF4107BCP | Why it matters |
|---|---|---|---|
| Frequency Range (Max) | 6.8 GHz | 7 GHz | Defines the maximum RF output frequency the PLL synthesizer can support; a higher limit allows use in higher-band applications. |
| Frequency Range (Min) | 500 MHz | 1 GHz | Determines the lowest usable RF frequency; a lower minimum enables operation in lower-band systems. |
| Normalized Phase Noise Floor | -220 dBc/Hz | -219 dBc/Hz | Indicates the intrinsic noise contribution of the synthesizer; lower phase noise improves signal purity and spectral performance. |
| Maximum PFD Frequency | 125 MHz | 104 MHz | Sets the maximum phase-frequency detector rate, which affects loop bandwidth, settling time, and in-band noise. |
| Supply Voltage Range | 3.0 V to 3.6 V | 2.7 V to 3.3 V | Must match the system power rail; incompatible ranges may require level shifting or a different regulator design. |
| Package | 32-Lead LFCSP (5 mm x 5 mm) | 20-Lead LFCSP (4 mm x 4 mm) | Footprint and pin count affect PCB layout compatibility; different packages are not drop-in replacements. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Confirms both parts support the same industrial temperature environment for reliable operation. |
| RF Output Frequency Resolution | Fractional-N capable | Integer-N only | Fractional-N allows finer frequency steps and faster settling, while integer-N is simpler but limited to integer multiples of the PFD. |
| Charge Pump Current (Programmable) | Up to 4.8 mA | Up to 5 mA | Charge pump current influences loop filter design, lock time, and phase noise; differing ranges affect loop dynamics. |
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 | ADF4169CCPZ | ADF4107BCP |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Type | - | Clock/Frequency Synthesizer (RF) |
| PLL | - | Yes |
| Input | - | CMOS |
| Output | - | Clock |
| Ratio - Input: Output | - | 2:1 |
| Differential - Input: Output | - | Yes/No |
| Frequency - Max | - | 7GHz |
| Divider / Multiplier | - | No/No |
| Voltage - Supply | - | 2.7V ~ 3.3V |
| Mounting Type | - | Surface Mount |
Frequently asked questions
What are the key differences between the ADF4169CCPZ and the ADF4107BCP?
The ADF4169CCPZ is a 13.5 GHz fractional-N/integer-N PLL frequency synthesizer with an integrated VCO, housed in a 24-lead LFCSP package. The ADF4107BCP is a 7 GHz integer-N PLL frequency synthesizer without an integrated VCO, housed in a 20-lead LFCSP package. The ADF4169CCPZ offers higher maximum RF input frequency and integrated VCO functionality, while the ADF4107BCP is an integer-N only device requiring an external VCO.
Are the ADF4169CCPZ and ADF4107BCP pin-to-pin or package compatible?
No. The ADF4169CCPZ uses a 24-lead LFCSP package, while the ADF4107BCP uses a 20-lead LFCSP package. The different pin counts and package footprints mean they are not pin-to-pin compatible and cannot be dropped into the same PCB land pattern without redesign.
Can the ADF4169CCPZ directly replace the ADF4107BCP in an existing design?
No, a direct replacement is not possible. Beyond the package and pin count differences, the ADF4169CCPZ integrates a VCO and supports fractional-N operation up to 13.5 GHz, whereas the ADF4107BCP is an integer-N synthesizer up to 7 GHz requiring an external VCO. The surrounding loop filter, VCO circuitry, and PCB layout would need to be redesigned and revalidated.
What is the maximum RF input frequency of each device?
The ADF4169CCPZ supports RF input frequencies up to 13.5 GHz. The ADF4107BCP supports RF input frequencies up to 7 GHz. Designs requiring operation above 7 GHz must use the ADF4169CCPZ or another device rated for the target frequency.
Does either device support fractional-N operation?
The ADF4169CCPZ supports both fractional-N and integer-N operation. The ADF4107BCP is an integer-N only synthesizer. Applications requiring fractional-N synthesis for finer frequency resolution or lower phase noise trade-offs should use the ADF4169CCPZ.
Which device includes an integrated VCO?
The ADF4169CCPZ includes an integrated VCO. The ADF4107BCP does not include an integrated VCO and requires an external VCO to complete the synthesizer loop. This affects board area, BOM count, and loop design complexity.
What are the package and pin count differences between the two devices?
The ADF4169CCPZ is supplied in a 24-lead LFCSP package. The ADF4107BCP is supplied in a 20-lead LFCSP package. These differences in pin count and footprint prevent direct substitution and require separate PCB layouts.