Part A
ADF4158CCPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 1970 Stückzahl
- Package
- WFQFN-24
- Series
- Clock-Timing mit Taktgeneratoren, PLLs, Frequenzsynthesizer
Replacement verdict
Compatible functional replacement candidate
The ADF4158CCPZ and ADF4169WCCPZ are both fractional-N PLL frequency synthesizers from Analog Devices in the same 24-lead LFCSP package, sharing a common functional architecture and interface. The ADF4169WCCPZ is the automotive-qualified variant with an extended temperature range and higher maximum RF input frequency, making it a viable functional replacement candidate for the ADF4158CCPZ where automotive qualification and extended frequency coverage are required, subject to validation of the specific application conditions.
Package Type
High match
Function Architecture
High match
Operating Temperature Range
Validation required
Maximum RF Input Frequency
Validation required
Parts at a glance
Part B
ADF4169WCCPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4614 Stückzahl
- Package
- WFQFN-24
- Series
- Takt- und anwendungsspezifisch
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADF4158CCPZ | ADF4169WCCPZ | Why it matters |
|---|---|---|---|
| Maximum RF Output Frequency | 6.1 GHz | 13.5 GHz | Determines the highest frequency the PLL synthesizer can generate, directly limiting which local oscillator or radar bands the part can support. |
| Maximum Input Reference Frequency | 350 MHz | 600 MHz | Sets the highest reference clock the phase detector can accept, affecting achievable phase-detector rate and phase noise performance. |
| Maximum Phase Detector Frequency | 32 MHz | 125 MHz | A higher phase detector rate enables wider loop bandwidth and lower in-band phase noise, which is critical for high-performance synthesizer designs. |
| Normalized Phase Noise Floor | -221 dBc/Hz | -224 dBc/Hz | The phase noise floor sets the best achievable noise performance of the synthesizer; a lower value yields cleaner output signals. |
| Normalized 1/f Noise | -112 dBc/Hz | -118 dBc/Hz | 1/f noise influences close-in phase noise; lower flicker noise improves performance in narrow-loop-bandwidth and low-offset applications. |
| Supply Voltage Range | 2.7 V to 3.3 V | 3.0 V to 3.6 V | Defines the allowable power supply window; a narrower or shifted range affects compatibility with existing board-level power rails. |
| Package / Pin Count | 24-Lead LFCSP | 24-Lead LFCSP | Package and pin count affect PCB footprint and layout compatibility; identical packages simplify drop-in evaluation but pin functions must still be verified. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +125 °C | The temperature range determines suitability for automotive and industrial environments; the wider range supports harsher operating conditions. |
| RF Output Frequency Range (Minimum) | 500 MHz | 500 MHz | The lower frequency limit defines the bottom of the usable tuning range; matching values indicate similar low-band coverage. |
| Automotive Qualification | Not automotive qualified | AEC-Q100 qualified | AEC-Q100 qualification is required for automotive applications; the qualified part can be used in vehicle systems where the non-qualified part cannot. |
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 | ADF4158CCPZ | ADF4169WCCPZ |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | - | Automotive |
| Part Status | Active | Active |
| PLL | Yes | Yes |
| Main Purpose | - | FMCW Radar |
| Input | CMOS, TTL | 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 | 6.1GHz | 13.5GHz |
| Voltage - Supply | 2.7V ~ 3.3V | 2.7V ~ 3.45V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Type | Fractional N Synthesizer (RF) | - |
| Divider / Multiplier | Yes/Yes | - |
Frequently asked questions
What are the key differences between the ADF4158CCPZ and the ADF4169WCCPZ?
The ADF4158CCPZ is a 6.1 GHz fractional-N PLL synthesizer with integrated waveform generation (ramp/FSK/PSK) capabilities, while the ADF4169WCCPZ is a 13.5 GHz fractional-N PLL synthesizer with integrated waveform generation. The ADF4169WCCPZ offers a higher maximum RF input frequency and is qualified to the automotive AEC-Q100 standard, whereas the ADF4158CCPZ is a general-purpose industrial-grade device.
Are the ADF4158CCPZ and ADF4169WCCPZ pin-compatible?
No. Both devices are offered in a 24-lead LFCSP package, but the ADF4169WCCPZ includes additional functionality and a different pin assignment to support its higher frequency range and automotive qualification. A direct drop-in replacement is not possible without PCB redesign and firmware review.
What is the maximum RF input frequency for each device?
The ADF4158CCPZ supports RF input frequencies up to 6.1 GHz. The ADF4169WCCPZ supports RF input frequencies up to 13.5 GHz, making it suitable for higher-frequency radar and microwave applications.
Do both devices support frequency ramp and modulation waveforms?
Yes. Both the ADF4158CCPZ and ADF4169WCCPZ integrate waveform generation capability, supporting frequency ramp (sawtooth/triangular), FSK, and PSK modulation, which is beneficial for radar and frequency-modulated continuous-wave (FMCW) applications.
Is the ADF4169WCCPZ automotive qualified?
Yes. The ADF4169WCCPZ is qualified to the AEC-Q100 standard for automotive applications. The ADF4158CCPZ is not specified as AEC-Q100 qualified and is intended for general-purpose industrial use.
What is the operating temperature range for each device?
The ADF4158CCPZ is specified over the industrial temperature range of −40°C to +85°C. The ADF4169WCCPZ is specified over the automotive temperature range of −40°C to +125°C, consistent with its AEC-Q100 qualification.
Can the ADF4158CCPZ be used as a substitute for the ADF4169WCCPZ in an existing design?
Not directly. The ADF4158CCPZ has a lower maximum RF input frequency (6.1 GHz vs. 13.5 GHz), lacks AEC-Q100 automotive qualification, and has a different pin configuration. Substitution requires validation of frequency range, thermal requirements, and PCB layout against the target design.