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Analog Devices Inc. ADF4153YRUZ-RL7
- Part No.:
- ADF4153YRUZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADF4153YRUZ-RL7.pdf
- Description:
- IC FRACT N SYNTH 16TSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADF4153YRUZ-RL7 from Analog Devices is a fractional-N frequency synthesizer IC for RF local oscillator generation in wireless transceivers, supporting 0.5–4 GHz RF input, 10–250 MHz reference input, and programmable charge pump currents up to 5 mA. It implements phase-locked loop (PLL) functionality with Σ-Δ fractional interpolation, 3-wire serial interface, and analog/digital lock detect-used in GSM/CDMA/W-CDMA base station transmitters and test equipment.
For engineers reviewing the ADF4153YRUZ-RL7 datasheet, ADF4153YRUZ-RL7 pinout, ADF4153YRUZ-RL7 application, or ADF4153YRUZ-RL7 equivalent, key selection considerations include its −40°C to +125°C automotive-grade operating range, VP-supplied extended tuning voltage capability, consistent RF output phase, and pin-compatibility with ADF4110/ADF4111/ADF4112/ADF4113/ADF4106.
Technical Context
The ADF4153YRUZ-RL7 integrates a low-noise digital phase frequency detector (PFD), precision charge pump, 9-bit integer (INT) + 12-bit fractional (FRAC) + 12-bit modulus (MOD) N-divider, and 4-bit reference (R) counter. Its third-order Σ-Δ interpolator enables fine frequency resolution with FPFD = REFIN × (1 + D)/R and RFOUT = FPFD × (INT + FRAC/MOD).
It supports three noise/spur optimization modes (lowest noise, low noise & spur, low spur), delivers normalized phase noise floor of −220 dBc/Hz, and features separate VP supply (up to 5.5 V) for extended VCO tuning range-enabling stable PLL design with ADIsimPLL loop filter tools.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.5 GHz to 4.0 GHz - supports full-band VCO inputs for cellular/WiMAX/PMR applications without external prescaling. |
| Reference Input Range | 10 MHz to 250 MHz - accommodates crystal oscillators, TCXOs, or divided clock sources with CMOS/TTL compatibility. |
| Charge Pump Current | Programmable 312.5 µA to 5 mA - sets loop filter gain and lock time; configured via RSET resistor (1.5 kΩ to 10 kΩ). |
| Phase Noise Floor | −220 dBc/Hz - defines in-band PLL noise limit; critical for EVM-sensitive modulations like 64-QAM in LTE/W-CDMA. |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive and industrial base station environments per AEC-Q100 guidelines. |
| Supply Voltages | AVDD/DVDD/SDVDD = 2.7 V to 3.3 V; VP = AVDD to 5.5 V - enables dual-rail operation for wide-tuning-range VCOs. |
| Interface | 3-wire serial (CLK/DATA/LE) - minimal GPIO usage; 24-bit frame with two LSB control bits selects among four internal registers. |
Pinout & Package
ADF4153YRUZ-RL7 is packaged in a 16-lead TSSOP (RU-16) with exposed paddle not present; pinout matches ADF4153YRUZ functional specification and is fully compatible with ADF411x/ADF4106 footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSET | Charge pump current setting | Resistor-to-ground sets ICPMAX; 5.1 kΩ yields 5 mA sink/source-directly scales loop filter component values. |
| CP | Charge pump output | Drives external loop filter; bipolar ±ICP current requires low-ESR capacitor and low-inductance PCB routing. |
| CPGND | Charge pump ground return | Dedicated low-impedance path prevents coupling into analog section; must be star-connected to AGND. |
| RFINA / RFINB | Differential RF input | Accepts ac-coupled VCO signal; 100 pF bypass on RFINB ensures balanced prescaler drive and minimizes common-mode noise. |
| REFIN | Reference clock input | CMOS-compatible with 100 kΩ input resistance; supports dc- or ac-coupled 10–250 MHz clocks with >25 V/µs slew rate. |
| VP | Charge pump power supply | Independent rail up to 5.5 V allows VCO tuning voltage extension beyond main supply-critical for wide-range varactor control. |
| MUXOUT | Multiplexed diagnostic output | Selectable between RF lock detect, scaled RF, or scaled reference-enables real-time PLL status monitoring without additional pins. |
| CLK/DATA/LE | 3-wire serial interface | Non-multiplexed control lines; timing requires t1 ≥20 ns LE setup, t2/t3 ≥10 ns DATA hold/setup relative to CLK edge. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N synthesis with Σ-Δ interpolation | Enables sub-Hz frequency resolution and eliminates need for large integer dividers-reducing reference spurs and enabling agile hopping. |
| Separate VP supply pin | Supports VCO tuning voltages up to 5.5 V independent of 3.3 V core supply-preserves loop filter headroom and extends VCO range. |
| Analog + digital lock detect | Dual lock indicators allow fail-safe system validation: analog LD responds to PFD phase error; digital LD confirms register state alignment. |
| Automotive qualification (Y version) | Rated −40°C to +125°C with AEC-Q100 stress testing-validates reliability for telematics, V2X, and 5G small cell infrastructure. |
| Pin-compatible with ADF411x/ADF4106 | Enables drop-in upgrade path from integer-N to fractional-N synthesis without PCB redesign-reducing time-to-market for legacy platforms. |
Applications
| GSM Base Station Transmitter | WiMAX Subscriber Unit LO |
|---|---|
|
Use Scenario: Generating 1.8–2.2 GHz LO for upconversion in macrocell BTS power amplifiers with <1% EVM at 64-QAM. IC Role / Device Role / Timing Role: Fractional-N synthesizer providing stable, low-phase-noise LO with fast frequency agility for multi-carrier TDMA burst switching. Use Value: −102 dBc/Hz @ 5 kHz offset enables compliant adjacent channel leakage ratio (ACLR) without excessive filtering or calibration overhead. |
Use Scenario: Local oscillator source for 2.3–2.7 GHz WiMAX CPE front-end with dynamic channel switching across 5-MHz bandwidths. IC Role / Device Role / Timing Role: Programmable RF synthesizer delivering precise, jitter-controlled LO synchronized to IEEE 802.16e TDD frame timing. Use Value: 3-wire interface and fast-lock modes reduce channel-switch latency to <100 µs-meeting WiMAX handover timing requirements. |
| Automotive Radar Sensor LO | Wireless Test Equipment Reference |
|
Use Scenario: 76–77 GHz FMCW radar transceiver LO generation using x4/x8 multiplier chain with 19–19.25 GHz fundamental. IC Role / Device Role / Timing Role: High-stability fractional-N synthesizer driving fundamental VCO; provides ultra-low close-in phase noise for Doppler resolution. Use Value: −220 dBc/Hz normalized noise floor and −114 dBc/Hz 1/f contribution ensure <0.1° RMS integrated phase error below 100 kHz offset. |
Use Scenario: Precision frequency source in vector signal analyzers and synthesizers requiring traceable, low-spur outputs across 10 MHz–4 GHz. IC Role / Device Role / Timing Role: Core PLL engine in modular instrument architecture-programmed via FPGA interface for multi-tone and swept-signal generation. Use Value: Three selectable noise/spur modes allow trade-off between spectral purity and settling time-supporting both compliance testing and debug workflows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fractional-N synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4159YCPZ-RL7 | Higher RF bandwidth (13.6 GHz), integrated VCO, SPI interface only-no analog lock detect or VP pin. | Replaces discrete VCO+synthesizer combos in compact mmWave modules; unsuitable for external VCO designs requiring VP control. | Select ADF4159YCPZ-RL7 when integrating VCO and reducing BOM count is prioritized over VP-based tuning flexibility. |
| LMS8001TR | Integrated transceiver SoC with fractional-N synthesizer, ADC/DAC, and digital baseband-no standalone synthesizer mode or VP support. | Targets SDR and IoT gateway designs where RF + baseband integration reduces footprint; lacks ADF4153YRUZ-RL7's discrete LO precision. | Choose LMS8001TR for full-stack wireless SoC needs; retain ADF4153YRUZ-RL7 for high-performance, externally tuned LO subsystems. |
Compared with ADF4153YRUZ-RL7, ADF4159YCPZ-RL7 offers wider RF coverage but sacrifices VP-controlled tuning and analog lock detect, while LMS8001TR embeds synthesis within an SoC-limiting configurability and phase noise optimization for dedicated LO paths.
Availability
ADF4153YRUZ-RL7 is available at Aetrix Electronics and suitable for automotive radar sensor LO generation, WiMAX subscriber unit local oscillators, and GSM base station transmitter designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADF4153YRUZ-RL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving industrial, automotive, communications, and healthcare markets with precision signal processing solutions.
The ADF4153YRUZ-RL7 belongs to Analog Devices' RF frequency synthesis product line, engineered specifically for high-reliability, wide-temperature wireless infrastructure and automotive radar applications demanding low phase noise and robust lock detection.
FAQ
What is the operating temperature range of the ADF4153YRUZ-RL7?
The ADF4153YRUZ-RL7 is rated for −40°C to +125°C operation, meeting AEC-Q100 automotive qualification requirements. This extended range supports deployment in under-hood telematics units, base station outdoor enclosures, and industrial RF modules where ambient temperatures exceed standard commercial limits. The Y-version designation explicitly confirms this grade.
Does the ADF4153YRUZ-RL7 support external VCO tuning voltage extension?
Yes-the ADF4153YRUZ-RL7 includes a dedicated VP pin that accepts 3.3 V to 5.5 V, independent of the 2.7–3.3 V AVDD/DVDD supplies. This allows direct drive of wide-tuning-range VCOs (e.g., 0–5 V varactors) without level-shifting circuitry, preserving loop filter integrity and minimizing noise injection into the charge pump output.
How does the ADF4153YRUZ-RL7 achieve low phase noise performance?
The ADF4153YRUZ-RL7 achieves −220 dBc/Hz normalized phase noise floor and −102 dBc/Hz at 5 kHz offset (1750 MHz output) through a combination of low-noise PFD design, precision charge pump matching (<2% current mismatch), and third-order Σ-Δ fractional interpolation that suppresses quantization spurs. Its architecture minimizes 1/f noise contribution (−114 dBc/Hz) via optimized biasing and layout isolation.
Is the ADF4153YRUZ-RL7 pin-compatible with earlier ADF411x synthesizers?
Yes-the ADF4153YRUZ-RL7 is explicitly documented as pin-compatible with ADF4110, ADF4111, ADF4112, ADF4113, and ADF4106 in the datasheet Rev. G. This includes identical 16-lead TSSOP (RU-16) pinout, power sequencing, and register mapping for R/N/control registers-enabling drop-in replacement without PCB or firmware changes.
What lock detection methods does the ADF4153YRUZ-RL7 provide?
The ADF4153YRUZ-RL7 provides both analog and digital lock detect outputs via the MUXOUT pin. Analog lock detect reflects real-time PFD phase error magnitude, while digital lock detect confirms stable register synchronization after programming. Both signals are accessible simultaneously through MUXOUT configuration bits M3–M1, enabling redundant system-level validation.
ADF4153YRUZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Fractional N Synthesizer (RF)
- PLL:
- Yes
- Input:
- CMOS, TTL
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:1
- Differential - Input:Output:
- Yes/No
- Frequency - Max:
- 4GHz
- Divider/Multiplier:
- No/Yes
- Voltage - Supply:
- 2.7V ~ 3.3V
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
ADF4153YRUZ-RL7 FAQ
1.How can I place an order for ADF4153YRUZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4153YRUZ-RL7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADF4153YRUZ-RL7 reliable?
The price and inventory of ADF4153YRUZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4153YRUZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4153YRUZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4153YRUZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4153YRUZ-RL7?
ADF4153YRUZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4153YRUZ-RL7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADF4153YRUZ-RL7?
For technical support, including ADF4153YRUZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4153YRUZ-RL7 requirements.
6.How does Aetrix verify that ADF4153YRUZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4153YRUZ-RL7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADF4153YRUZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4153YRUZ-RL7?
All ADF4153YRUZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4153YRUZ-RL7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADF4153YRUZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4153YRUZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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