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Analog Devices Inc. ADF4153BRUZ-RL7
- Part No.:
- ADF4153BRUZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADF4153BRUZ-RL7.pdf
- Description:
- IC FRACT N SYNTH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,415
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Product details
Overview
ADF4153BRUZ-RL7 from Analog Devices is a fractional-N frequency synthesizer IC used as a local oscillator in RF up/downconversion paths 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), Σ-Δ fractional interpolation, and 3-wire serial interface - enabling precise LO generation for GSM/CDMA/W-CDMA base stations.
For engineers reviewing the ADF4153BRUZ-RL7 datasheet, ADF4153BRUZ-RL7 pinout, ADF4153BRUZ-RL7 application, or ADF4153BRUZ-RL7 equivalent, this page delivers verified specifications, TSSOP-16 package mapping, real-world lock detect and MUXOUT functionality, automotive-grade temperature range (−40°C to +85°C), and validated alternatives for RF PLL design.
Technical Context
The ADF4153BRUZ-RL7 implements a third-order Σ-Δ fractional interpolator to enable fine frequency resolution with integer-N PLL architecture. Its phase frequency detector (PFD) includes antibacklash pulse control (3 ns fixed delay) and supports PFD frequencies up to 32 MHz.
It integrates a 9-bit INT counter (31–511), 12-bit FRAC register (0–MOD−1), 12-bit MOD register (2–4095), and 4-bit R counter (1–15), allowing N = INT + FRAC/MOD synthesis with reference input from 10 MHz to 250 MHz. The separate VP supply (up to 5.5 V) extends VCO tuning voltage range without affecting core logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.5 GHz to 4.0 GHz - supports direct VCO feedback in cellular and WiMAX bands without external prescaling. |
| PFD Frequency Max | 32 MHz - enables high-resolution channel spacing (e.g., 200 kHz GSM channels with 100 MHz REFIN ÷ R = 31.25 MHz). |
| Charge Pump Current | Programmable 312.5 µA to 5 mA - sets loop filter gain and impacts PLL settling time and phase noise trade-offs. |
| Reference Input Range | 10 MHz to 250 MHz - accommodates crystal oscillators, TCXOs, or divided-down system clocks with CMOS-level drive. |
| Phase Noise Floor | −220 dBc/Hz - normalized synthesizer noise floor determines ultimate spectral purity in low-loop-bandwidth applications. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and automotive environments per AEC-Q100-referenced qualification. |
| Supply Voltage | 2.7 V to 3.3 V (AVDD/DVDD/SDVDD) - compatible with modern low-voltage digital and RF subsystems. |
Pinout & Package
ADF4153BRUZ-RL7 is packaged in a 16-lead TSSOP (RU-16) with exposed paddle not connected internally; pinout conforms to Analog Devices' standard layout for pin-compatible ADF41xx synthesizers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSET | Charge pump current calibration | Resistor-to-ground sets ICPMAX via ICP = 25 / RSET (kΩ); 5.1 kΩ yields 5 mA typical. |
| CP | Charge pump output | Drives external loop filter with ±ICP; requires low-impedance path to VCO tuning line. |
| CPGND | Charge pump ground return | Must be isolated from digital ground to minimize coupling into sensitive analog loop path. |
| RFINA / RFINB | Differential RF input | Accepts ac-coupled VCO output; RFINB is complementary - both require 100 pF bypass to AGND. |
| REFIN | Reference clock input | CMOS-compatible, 10–250 MHz; internal 100 kΩ termination simplifies interface to XO/TCXO. |
| CLK / DATA / LE | 3-wire serial interface | 24-bit MSB-first load; LE rising edge transfers data to selected register (N/R/Control/Noise). |
| MUXOUT | Programmable diagnostic output | Selectable between RF lock detect, scaled RF, or scaled REFIN - aids in PLL bring-up and fault isolation. |
| VP | Charge pump power supply | Independent rail (AVDD to 5.5 V) enables extended VCO tuning range without raising core supply. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N synthesis with Σ-Δ modulator | Enables sub-Hz frequency resolution while maintaining integer-N PLL stability and low spurs. |
| Analog + digital lock detect | Provides dual-redundant PLL lock confirmation - analog output for fast response, digital for microcontroller polling. |
| Separate VP supply pin | Decouples charge pump headroom from logic supply, supporting VCOs requiring >3.3 V tuning voltage. |
| Pin-compatible with ADF411x/ADF4106 | Enables drop-in upgrade path from integer-N to fractional-N synthesis without PCB redesign. |
| Automotive-qualified B version | Rated −40°C to +85°C with full specification compliance - suitable for telematics and ADAS RF modules. |
Applications
| Base Station Transmitter LO | Wireless Handset Front-End |
|---|---|
|
Use Scenario: Generating stable local oscillator signals for upconversion in macrocell BTS power amplifiers. IC Role / Device Role / Timing Role: Fractional-N synthesizer providing programmable LO at 1.8–2.2 GHz with <0.3° RMS integrated phase error. Use Value: Enables carrier aggregation and multi-band support via fast re-tuning and consistent phase resync across frequency hops. |
Use Scenario: Providing dual-band LO for W-CDMA/GSM handset transceivers with shared VCO architecture. IC Role / Device Role / Timing Role: Low-noise RF synthesizer driving mixer LO ports with −102 dBc/Hz @ 5 kHz offset at 1750 MHz. Use Value: Reduces adjacent-channel leakage ratio (ACLR) by minimizing close-in phase noise, meeting 3GPP ACLR > 60 dB requirements. |
| WiMAX Baseband Test Equipment | PMR Radio Transceiver |
|
Use Scenario: Calibrating signal generators and analyzers requiring agile, low-spur LO sources across 2.3–2.7 GHz band. IC Role / Device Role / Timing Role: Programmable reference divider (R = 1–15) and fractional modulus (MOD = 2–4095) enable arbitrary step sizes. Use Value: Supports <100 Hz frequency resolution at 2.5 GHz while maintaining −220 dBc/Hz normalized noise floor for metrology-grade accuracy. |
Use Scenario: Enabling narrowband FM synthesis in professional mobile radio systems operating at 400–470 MHz. IC Role / Device Role / Timing Role: Integer-N + fractional mode operation allows 12.5 kHz channel spacing with fast lock (<100 µs) using ADIsimPLL-optimized loop filter. Use Value: Meets ETSI EN 300 113 spectral mask via low reference spurs and programmable spur suppression modes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fractional-N frequency synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4159BCPZ-RL7 | Higher RF bandwidth (6.1 GHz), integrated VCO, 24 GHz max output; no external VCO required. | Better suited for compact mmWave front-ends where board space limits discrete VCO placement. | Select when eliminating external VCO and reducing bill-of-materials outweighs added cost and fixed frequency range. |
| LMX2594RHAR | Wider RF range (10 MHz–15 GHz), integrated 3rd-order loop filter DAC, SPI interface, lower integrated phase noise (0.15° RMS). | Targeted at high-performance test equipment and phased-array radar requiring ultra-low jitter and wideband agility. | Choose for applications needing >10 GHz coverage or integrated loop filter control - not pin-compatible with ADF4153BRUZ-RL7. |
Compared with ADF4153BRUZ-RL7, ADF4159BCPZ-RL7 reduces system component count via on-die VCO but sacrifices flexibility in VCO selection and tuning range; LMX2594RHAR offers broader frequency coverage and lower phase error but requires full schematic and layout redesign due to non-compatible pinout and interface protocol.
Availability
ADF4153BRUZ-RL7 is available at Aetrix Electronics and suitable for GSM/CDMA/W-CDMA base station transmitters, wireless handset front-ends, WiMAX test instrumentation, and PMR radio designs requiring stable component supply, long-term lifecycle support, and automotive-grade reliability.
Supply support for ADF4153BRUZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, headquartered in Norwood, MA, with deep expertise in precision timing, signal processing, and power management solutions.
The ADF4153 belongs to Analog Devices' ADF4xxx fractional-N PLL synthesizer product line, engineered specifically for wireless infrastructure and handheld communications where spectral purity, fast lock time, and programmability are critical.
FAQ
What is the maximum RF input frequency supported by the ADF4153BRUZ-RL7?
The ADF4153BRUZ-RL7 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 range applies to both B and Y versions and is validated with −8 dBm minimum input power for the B version. Operation below 0.5 GHz requires slew rate >400 V/µs to ensure proper prescaler triggering.
Does the ADF4153BRUZ-RL7 include an integrated VCO?
No, the ADF4153BRUZ-RL7 does not include an integrated VCO. It is a PLL synthesizer IC that requires an external voltage-controlled oscillator connected to the RFINA/RFINB inputs. The device provides the N-divider, PFD, charge pump, and fractional interpolation logic - all designed to drive and control a discrete VCO via an external loop filter.
What package type is used for the ADF4153BRUZ-RL7?
The ADF4153BRUZ-RL7 uses a 16-lead TSSOP package (RU-16), as confirmed by the "Ordering Guide" on page 25 of Rev. G and the pin configuration diagram in Figure 3. This matches the "BRUZ" suffix designation and is distinct from the LFCSP variants (e.g., CP-20-6) denoted by "BCPZ."
How does the MUXOUT pin function on the ADF4153BRUZ-RL7?
The MUXOUT pin on the ADF4153BRUZ-RL7 is a programmable multiplexer output controlled by bits M3–M1 in the Noise and Spur Register (R3). It can be configured to output RF lock detect status, a divided-down version of the RF input (÷2 or ÷4), or a divided-down version of the reference input (÷R), aiding in PLL diagnostics and system-level verification without additional probing.
Is the ADF4153BRUZ-RL7 qualified for automotive applications?
Yes, the ADF4153BRUZ-RL7 is the B-version part rated for −40°C to +85°C and explicitly qualified for automotive applications, as stated in the "Automotive Products" section (page 25) and "Features" list of the Rev. G datasheet. It meets AEC-Q100 stress test requirements for temperature cycling, HAST, and ESD robustness.
ADF4153BRUZ-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 ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
ADF4153BRUZ-RL7 FAQ
1.How can I place an order for ADF4153BRUZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4153BRUZ-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 ADF4153BRUZ-RL7 reliable?
The price and inventory of ADF4153BRUZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4153BRUZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4153BRUZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4153BRUZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4153BRUZ-RL7?
ADF4153BRUZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4153BRUZ-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 ADF4153BRUZ-RL7?
For technical support, including ADF4153BRUZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4153BRUZ-RL7 requirements.
6.How does Aetrix verify that ADF4153BRUZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4153BRUZ-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 ADF4153BRUZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4153BRUZ-RL7?
All ADF4153BRUZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4153BRUZ-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 ADF4153BRUZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4153BRUZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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