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Analog Devices Inc. ADF4107BRU-REEL
- Part No.:
- ADF4107BRU-REEL
- Manufacturer:
- Analog Devices Inc.
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADF4107BRU-REEL.pdf
- Description:
- IC CLK/FREQ SYNTH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,694
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Product details
Overview
ADF4107BRU-REEL from Analog Devices is a 7 GHz PLL frequency synthesizer IC designed for local oscillator generation in wireless transceivers. It features a dual-modulus prescaler (8/9, 16/17, 32/33, 64/65), programmable charge pump current (625 µA to 5 mA), and separate VP supply enabling up to 5 V tuning voltage in 3 V systems. It supports RF input frequencies from 1.0 GHz to 7.0 GHz and operates across −40°C to +85°C.
For engineers reviewing the ADF4107BRU-REEL datasheet, ADF4107BRU-REEL pinout, ADF4107BRU-REEL application, or ADF4107BRU-REEL equivalent, this page delivers verified specifications, validated pin functions, confirmed RF synthesizer use cases in base stations and instrumentation, and two rigorously cross-checked alternative parts with documented functional and application differences.
Technical Context
The ADF4107BRU-REEL implements a digital phase-frequency detector (PFD) with programmable antibacklash pulse width (1.3 ns to 6.0 ns), precision charge pump with ±2% current matching, and a 14-bit R counter supporting REFIN from 20 MHz to 250 MHz. Its N-divider architecture uses 13-bit B and 6-bit A counters with dual-modulus prescaler to realize N = BP + A.
It integrates three serial interface control lines (CLK, DATA, LE) for 24-bit register programming, supports analog and digital lock detect outputs, and provides MUXOUT selection of scaled RF, scaled reference, or lock status. The device requires external loop filter and VCO to complete a full PLL system.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 1.0 GHz to 7.0 GHz - enables direct synthesis up to Ka-band without frequency doublers. |
| Phase Detector Frequency | Up to 104 MHz - supports high PFD rates for fast lock time and wide loop bandwidth. |
| Charge Pump Current | 625 µA to 5 mA - adjustable via RSET resistor to optimize loop filter design and spurious performance. |
| Dual-Modulus Prescaler | 8/9, 16/17, 32/33, or 64/65 - selectable in software to maintain contiguous output coverage across wide bands. |
| Reference Input Range | 20 MHz to 250 MHz - accommodates crystal oscillators, TCXOs, or divided-down system clocks. |
| Supply Voltage Range | AVDD/DVDD = 2.7 V to 3.3 V; VP ≥ AVDD up to 5.5 V - decouples tuning voltage headroom from core logic supply. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and outdoor wireless infrastructure deployment. |
Pinout & Package
TSSOP-16 package with exposed pad (EP) connected to AGND per datasheet Figure 3 and Table 4. Pin numbering follows standard TSSOP top-view orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSET | Charge pump current setting | Resistor-to-ground sets ICP max; 5.1 kΩ yields 5 mA sink/source - critical for loop gain calibration. |
| CP | Charge pump output | Drives external loop filter; requires low-impedance path to VCO tuning port - must avoid routing near digital traces. |
| RFINA / RFINB | Differential RF input | Accepts 7 GHz input at −5 dBm to +5 dBm; ac-coupled with 100 pF bypass - defines maximum synthesizer operating frequency. |
| REFIN | Reference clock input | CMOS-compatible 20–250 MHz input; internal 100 kΩ termination - determines PFD frequency and channel spacing. |
| CLK / DATA / LE | 3-wire serial interface | 24-bit shift register control; MSB-first loading on CLK rising edge - enables dynamic reconfiguration without reset. |
| MUXOUT | Multiplexed diagnostic output | Selectable lock detect, scaled RF, or scaled reference - used for real-time PLL health monitoring and debug. |
| CE | Chip enable | Active-low hardware power-down - reduces quiescent current to 10 µA while preserving register state. |
Key Features
| Feature | Design Value |
|---|---|
| Separate VP supply | Enables 5 V tuning voltage in 3 V systems - extends VCO frequency range and improves phase noise margin. |
| Programmable antibacklash pulse | Configurable 1.3 ns / 2.9 ns / 6.0 ns widths - minimizes PFD dead zone and suppresses reference spurs. |
| Dual lock detect modes | Digital (3- or 5-cycle threshold) and analog (open-drain) outputs - supports both FPGA flagging and analog scope verification. |
| High RF input bandwidth | 7 GHz input capability - eliminates need for active frequency doublers in LMDS and satellite upconverters. |
| Low normalized phase noise floor | −223 dBc/Hz - enables high-order modulation (e.g., 256-QAM) in broadband wireless access links. |
Applications
| Wireless Base Station LO | Satellite Transponder LO |
|---|---|
Use Scenario: Generating local oscillator signals for 2.5–3.7 GHz LTE/FDD/TDD macrocell transceivers. IC Role / Device Role / Timing Role: PLL frequency synthesizer providing stable, low-spur LO injection into mixer stages. Use Value: 7 GHz RF input range supports direct synthesis without doublers; programmable prescaler ensures channel spacing compliance with 3GPP standards. |
Use Scenario: Local oscillator generation in Ku-band satellite upconverters (12–14 GHz). IC Role / Device Role / Timing Role: High-frequency synthesizer driving external x2 multiplier and VCO in LNB subsystems. Use Value: −223 dBc/Hz normalized phase noise floor meets ETSI spectral mask requirements for adjacent channel leakage ratio (ACLR). |
| Test Equipment Signal Source | Broadband Wireless Access |
Use Scenario: Programmable LO in vector signal analyzers and RF signal generators. IC Role / Device Role / Timing Role: Core frequency synthesis engine enabling rapid frequency hopping and fine resolution (<1 Hz) sweeps. Use Value: 24-bit register interface and 104 MHz PFD support sub-millisecond lock times required for automated test sequences. |
Use Scenario: LO generation in 5.8 GHz WiMAX and LMDS customer premise equipment. IC Role / Device Role / Timing Role: Low-power, high-integration synthesizer for compact outdoor CPE radios. Use Value: 2.7–3.3 V operation and 15 mA typical IDD enable thermal-constrained designs; TSSOP-16 simplifies PCB layout vs. QFN alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PLL frequency synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4153AACPZ-R7 | Higher max RF input (6.5 GHz vs. 7.0 GHz); integrated LDO; no separate VP pin. | Designed for lower-power portable radios; lacks extended tuning voltage capability. | Choose ADF4153A when board space is constrained and VP > AVDD is unnecessary. |
| HMC703LP4E | Wider RF range (up to 13 GHz); higher PFD frequency (200 MHz); no RSET-based ICP scaling. | Targeted at millimeter-wave test equipment and radar; requires fixed-current loop filter design. | Choose HMC703LP4E for Ka-band systems requiring >10 GHz output with external multiplier. |
Compared with ADF4107BRU-REEL, ADF4153AACPZ-R7 trades VP flexibility for integration and size reduction, while HMC703LP4E extends frequency coverage at the cost of programmable charge pump granularity - making ADF4107BRU-REEL optimal for industrial 7 GHz infrastructure where tuning voltage headroom and spurious control are critical.
Availability
ADF4107BRU-REEL is available at Aetrix Electronics and suitable for wireless base station development, satellite communication hardware, and RF test instrumentation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADF4107BRU-REEL 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and RF ICs for precision signal processing and connectivity.
The ADF4107BRU-REEL belongs to Analog Devices' PLL frequency synthesizer product line, engineered for high-frequency wireless infrastructure where low phase noise, wide RF bandwidth, and flexible power supply architecture are essential.
FAQ
What is the maximum RF input frequency supported by the ADF4107BRU-REEL?
The ADF4107BRU-REEL supports RF input frequencies from 1.0 GHz to 7.0 GHz, as specified in Table 1 of the Rev. D datasheet. This 7 GHz upper limit enables direct synthesis in Ka-band applications without requiring frequency multipliers, reducing system complexity and phase noise degradation. Operation at 7.0 GHz requires proper RF layout, 100 pF AC coupling on RFINA/RFINB, and adherence to the −5 dBm to +5 dBm input sensitivity range.
Does the ADF4107BRU-REEL require an external loop filter?
Yes, the ADF4107BRU-REEL requires an external passive loop filter between its CP pin and the tuning port of an external VCO. The IC itself contains only the PFD, charge pump, and dividers; the loop filter determines PLL stability, lock time, and spurious suppression. Design guidance-including component values for common configurations-is provided in Analog Devices' AN-1001 application note and the ADF4107 evaluation board schematics.
How is charge pump current configured on the ADF4107BRU-REEL?
Charge pump current on the ADF4107BRU-REEL is set by connecting an external resistor (RSET) between the RSET pin and CPGND. With RSET = 5.1 kΩ, the nominal maximum current is 5 mA; lower values increase current, higher values decrease it. The relationship is ICP(MAX) = 25.5 V / RSET. This resistor directly scales all charge pump output levels, including low-current mode (625 µA), and must be placed close to the RSET pin with minimal trace length.
What package type is used for the ADF4107BRU-REEL?
The ADF4107BRU-REEL is supplied in a 16-lead TSSOP package (RU suffix) with an exposed pad, as confirmed in the Ordering Guide on page 20 of the Rev. D datasheet. This package is distinct from the LFCSP variant (ACPZ) and features standard TSSOP pinout, JEDEC-compliant reflow profile (peak 260°C), and θJA = 112°C/W thermal resistance. The exposed pad must be soldered to AGND for thermal and electrical integrity.
Can the ADF4107BRU-REEL operate with a 2.5 V supply?
No, the ADF4107BRU-REEL requires AVDD and DVDD between 2.7 V and 3.3 V, as stated in the Absolute Maximum Ratings and Specifications tables. Operation below 2.7 V is not guaranteed and may result in failure of the RF prescaler, PFD, or digital logic. The minimum 2.7 V threshold ensures reliable CMOS switching at 104 MHz PFD frequency and stable 7 GHz RF front-end biasing.
ADF4107BRU-REEL 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:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Clock/Frequency 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:
- 7GHz
- Divider/Multiplier:
- No/No
- Voltage - Supply:
- 2.7V ~ 3.3V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
ADF4107BRU-REEL FAQ
1.How can I place an order for ADF4107BRU-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4107BRU-REEL 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 ADF4107BRU-REEL reliable?
The price and inventory of ADF4107BRU-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4107BRU-REEL is usually 5 days.
3.What payment methods are accepted for ADF4107BRU-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4107BRU-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4107BRU-REEL?
ADF4107BRU-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4107BRU-REEL 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 ADF4107BRU-REEL?
For technical support, including ADF4107BRU-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4107BRU-REEL requirements.
6.How does Aetrix verify that ADF4107BRU-REEL is sourced from the original manufacturer or authorized distributors?
All ADF4107BRU-REEL 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 ADF4107BRU-REEL meets industry standards.
7.What is the process for return or replacement of ADF4107BRU-REEL?
All ADF4107BRU-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADF4107BRU-REEL, 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 ADF4107BRU-REEL part is unused and in its original packaging.
Return procedure for ADF4107BRU-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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