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Analog Devices Inc. ADF4153BCP-REEL7
- Part No.:
- ADF4153BCP-REEL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 20-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4153BCP-REEL7.pdf
- Description:
- IC PLL FREQ SYNTHESIZER 20-LFCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADF4153BCP-REEL7 from Analog Devices is a fractional-N frequency synthesizer IC used as a local oscillator in RF up/downconversion stages of wireless transceivers. It supports RF input up to 4 GHz, operates from 2.7 V to 3.3 V, features programmable charge pump current (up to 5 mA), and delivers consistent RF output phase for stable PLL locking. It is widely deployed in GSM/CDMA/W-CDMA base station transmitters.
For engineers reviewing the ADF4153BCP-REEL7 datasheet, ADF4153BCP-REEL7 pinout, ADF4153BCP-REEL7 application, or ADF4153BCP-REEL7 equivalent, this page provides verified technical context, validated pin functions, real-world application mappings, and confirmed alternative options for RF synthesizer selection in telecom and test equipment designs.
Technical Context
The ADF4153BCP-REEL7 implements a third-order Σ-Δ fractional interpolator enabling fine frequency resolution via INT + FRAC/MOD division (N = INT + FRAC/MOD). Its PFD operates up to 32 MHz and includes antibacklash pulse control (3 ns fixed delay) to eliminate dead zones and stabilize reference spurs.
It integrates a precision charge pump with programmable sink/source current (312.5 µA to 5 mA), separate VP supply (up to 5.5 V) for extended VCO tuning voltage range, and dual lock detect (analog + digital). The 3-wire serial interface controls four internal registers - N-divider, R-divider, control, and noise/spur - with double-buffered modulus programming to ensure glitch-free updates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.5 GHz to 4.0 GHz - supports direct VCO feedback without external prescaler for wideband RF synthesis. |
| PFD Max Frequency | 32 MHz - sets upper limit on reference comparison rate; enables high-resolution channel spacing in cellular systems. |
| Charge Pump Current | Programmable 312.5 µA to 5 mA - allows loop filter optimization across bandwidths (e.g., 20 kHz to 500 kHz) and VCO gain ranges. |
| Reference Input Range | 10 MHz to 250 MHz - accommodates crystal oscillators, TCXOs, or divided-down system clocks with CMOS/TTL compatibility. |
| Phase Noise Floor | −220 dBc/Hz - normalized synthesizer noise floor; critical for low-error-rate modulation in W-CDMA and LTE. |
| Operating Temperature | −40°C to +85°C - industrial-grade rating suitable for outdoor base station and test equipment environments. |
| Supply Voltage | 2.7 V to 3.3 V (AVDD/DVDD/SDVDD); VP = AVDD to 5.5 V - enables independent high-voltage tuning for wide-range VCOs. |
Pinout & Package
ADF4153BCP-REEL7 is packaged in a 20-lead LFCSP (CP-20-6) with exposed paddle, requiring soldering to ground for thermal and electrical integrity. Pin count and layout match CP-20-6 mechanical specification per ADI datasheet Rev. G.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSET | Charge pump current setting | Resistor-to-ground defines max ICP (e.g., 5.1 kΩ → 5 mA); enables precise loop filter gain calibration. |
| CP | Charge pump output | Drives external loop filter with ±ICP; requires low-impedance path to VCO tuning line for stable PLL response. |
| CPGND | Charge pump ground return | Dedicated analog ground pin minimizes coupling between CP switching noise and sensitive RF paths. |
| RFINA / RFINB | Differential RF input | Accepts ac-coupled VCO signal; differential architecture improves common-mode noise rejection at RF input stage. |
| REFIN | Reference clock input | CMOS-compatible input (threshold ≈ VDD/2); supports TTL/CMOS oscillators or ac-coupled sources up to 250 MHz. |
| CLK / DATA / LE | 3-wire serial interface | MSB-first 24-bit shift register; LE edge latches data into selected register (N/R/control/noise-spur) per C2/C1 bits. |
| MUXOUT | Multiplexed diagnostic output | Selectable between RF lock detect, scaled RF, or scaled reference - enables real-time PLL status monitoring. |
| VP | Charge pump power supply | Independent supply (≥VDD, up to 5.5 V) extends VCO tuning range without compromising digital supply integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N synthesis with Σ-Δ interpolation | Enables sub-Hz frequency resolution and eliminates integer boundary spurs in multi-band RF systems. |
| Separate VP supply rail | Supports VCO tuning voltages up to 5.5 V while maintaining 3.3 V digital core operation - avoids level-shifting complexity. |
| Analog + digital lock detect | Provides redundant PLL lock verification: analog detect for fast response, digital detect for robust logic-level signaling. |
| Pin-compatible with ADF411x/ADF4106 | Allows drop-in replacement in existing designs using ADF4110/ADF4111/ADF4112/ADF4113 or ADF4106 - no PCB changes required. |
| ADIsimPLL integration | Enables full loop filter design, phase noise prediction, and spur analysis directly from manufacturer-provided simulation tool. |
Applications
| GSM Base Station Transmitter | WiMAX Subscriber Unit |
|---|---|
|
Use Scenario: Local oscillator generation for 900/1800 MHz upconversion in macrocell BTS power amplifiers. IC Role / Device Role / Timing Role: Fractional-N synthesizer providing stable, low-phase-noise LO signal synchronized to 13/26 MHz reference clock. Use Value: −102 dBc/Hz phase noise @ 5 kHz offset ensures <0.23° RMS integrated jitter, meeting GSM spectral mask and EVM requirements. |
Use Scenario: LO source for 2.3–2.7 GHz WiMAX downconverter in fixed wireless CPE units. IC Role / Device Role / Timing Role: Programmable RF synthesizer generating precise channel frequencies with 100 kHz step resolution. Use Value: 4 GHz RF bandwidth and 250 MHz REFIN support enable direct sampling of wide IF signals without image-reject mixers. |
| CDMA Test Equipment | PMR Handheld Radio |
|
Use Scenario: Signal generator module in benchtop CDMA2000 base station analyzers requiring rapid frequency hopping. IC Role / Device Role / Timing Role: High-speed reconfigurable LO synthesizer controlled via SPI interface for dynamic channel switching. Use Value: 3-wire interface with 24-bit register map enables sub-100 µs frequency retuning - critical for automated conformance testing. |
Use Scenario: Compact LO in portable professional mobile radio operating in 400–470 MHz band. IC Role / Device Role / Timing Role: Low-power fractional-N synthesizer driving integrated mixer in single-chip transceiver SoC. Use Value: 1 µA sleep mode current and 2.7 V minimum supply allow battery-powered operation with >24-hour standby life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fractional-N synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4159BCPZ-RL7 | Higher RF bandwidth (6.1 GHz), integrated VCO, no external loop filter needed. | Better suited for compact SDR platforms where board space is constrained and integrated VCO suffices. | Choose ADF4159BCPZ-RL7 when eliminating external VCO and loop filter reduces BOM cost and layout complexity. |
| LMX2594RHAR | Wider RF range (10 MHz–15 GHz), ultra-low phase noise (−236 dBc/Hz), JESD204B interface option. | Targeted at high-end test equipment and mmWave 5G infrastructure requiring wider frequency coverage. | Choose LMX2594RHAR only if system demands >6 GHz operation or sub-0.1° RMS jitter performance beyond ADF4153BCP-REEL7 capability. |
Compared with ADF4153BCP-REEL7, ADF4159BCPZ-RL7 trades external loop filter flexibility for integration and size reduction, while LMX2594RHAR offers broader frequency coverage and lower phase noise at higher cost and complexity - making ADF4153BCP-REEL7 optimal for cost-sensitive, 4 GHz-class telecom infrastructure.
Availability
ADF4153BCP-REEL7 is available at Aetrix Electronics and suitable for GSM base station transmitters, WiMAX subscriber units, and CDMA test equipment requiring stable component supply, long-term lifecycle assurance, and automotive-qualified alternatives.
Supply support for ADF4153BCP-REEL7 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, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, headquartered in Norwood, MA, serving industrial, communications, and automotive markets since 1965.
The ADF4153 belongs to Analog Devices' RF Synthesizer product line, designed specifically for high-stability, low-phase-noise local oscillator generation in wireless infrastructure and test instrumentation.
FAQ
What is the maximum RF input frequency supported by the ADF4153BCP-REEL7?
The ADF4153BCP-REEL7 supports an RF input frequency range of 0.5 GHz to 4.0 GHz, as specified in the Rev. G datasheet under "RF CHARACTERISTICS." This allows direct connection to VCO outputs in most cellular bands (GSM, W-CDMA, LTE FDD) without external prescaling. Operation below 0.5 GHz requires slew rate >400 V/µs to maintain proper prescaler functionality.
Does the ADF4153BCP-REEL7 require an external loop filter?
Yes, the ADF4153BCP-REEL7 requires an external passive loop filter between the CP pin and the VCO tuning port. The charge pump output drives this filter to generate the control voltage for the VCO. ADIsimPLL is officially supported for designing optimized third-order loop filters based on ADF4153BCP-REEL7's charge pump current, PFD frequency, and VCO gain parameters.
Is the ADF4153BCP-REEL7 pin-compatible with other ADF41xx devices?
Yes, the ADF4153BCP-REEL7 is explicitly stated as pin-compatible with ADF4110, ADF4111, ADF4112, ADF4113, and ADF4106 in the datasheet Features section. This compatibility applies to both TSSOP and LFCSP packages, enabling drop-in replacement in legacy designs without PCB modification.
What is the purpose of the VP pin on the ADF4153BCP-REEL7?
The VP pin on the ADF4153BCP-REEL7 supplies power to the charge pump independently of the digital/analog core supplies (AVDD/DVDD). It can be set as high as 5.5 V - enabling direct drive of VCOs with tuning ranges exceeding 3.3 V - while keeping digital logic at 3.3 V for noise isolation and compatibility with standard I/O levels.
How does the ADF4153BCP-REEL7 achieve low phase noise performance?
The ADF4153BCP-REEL7 achieves low phase noise through multiple design elements: a low-noise PFD with 3 ns antibacklash pulse, precision charge pump with <2% current matching, normalized phase noise floor of −220 dBc/Hz, and support for optimized loop bandwidths (e.g., 20 kHz) using ADIsimPLL. Measured performance shows −102 dBc/Hz @ 5 kHz offset at 1750 MHz RFOUT.
ADF4153BCP-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- *
- Package/Case:
- 20-VFQFN Exposed Pad, CSP
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Fractional N Synthesizer (RF)
- PLL:
- Yes
- Input:
- CMOS
- Output:
- Clock
- Number of Circuits:
- -
- 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:
- -
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 20-LFCSP-VQ (4x3.75)
ADF4153BCP-REEL7 FAQ
1.How can I place an order for ADF4153BCP-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4153BCP-REEL7 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 ADF4153BCP-REEL7 reliable?
The price and inventory of ADF4153BCP-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4153BCP-REEL7 is usually 5 days.
3.What payment methods are accepted for ADF4153BCP-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4153BCP-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4153BCP-REEL7?
ADF4153BCP-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4153BCP-REEL7 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 ADF4153BCP-REEL7?
For technical support, including ADF4153BCP-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4153BCP-REEL7 requirements.
6.How does Aetrix verify that ADF4153BCP-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADF4153BCP-REEL7 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 ADF4153BCP-REEL7 meets industry standards.
7.What is the process for return or replacement of ADF4153BCP-REEL7?
All ADF4153BCP-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4153BCP-REEL7, 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 ADF4153BCP-REEL7 part is unused and in its original packaging.
Return procedure for ADF4153BCP-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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