My Inquiry
My Account
Analog Devices Inc. ADF4212BRUZ-RL7
- Part No.:
- ADF4212BRUZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADF4212BRUZ-RL7.pdf
- Description:
- IC CLK/FREQ SYNTH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,083
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADF4212BRUZ-RL7 from Analog Devices is a dual RF/IF PLL frequency synthesizer designed for local oscillator (LO) generation in wireless transceivers, supporting RF input up to 2.7 GHz and IF input up to 1.0 GHz at 3 V operation, with programmable dual-modulus prescaler (8/9, 16/17, 32/33, 64/65), 3-wire serial interface, and analog/digital lock detect - used in GSM, WCDMA, and wireless LAN base stations.
For engineers reviewing the ADF4212BRUZ-RL7 datasheet, ADF4212BRUZ-RL7 pinout, ADF4212BRUZ-RL7 application, or ADF4212BRUZ-RL7 equivalent, key selection criteria include RF/IF frequency range compatibility, charge pump current programmability (625 µA–5 mA), fastlock mode support, separate VP supply for extended tuning voltage, and TSSOP-20 package layout constraints.
Technical Context
The ADF4212BRUZ-RL7 implements two independent PLL paths - one for RF (up to 2.7 GHz) and one for IF (up to 1.0 GHz) - each with its own 12-bit B-counter, 6-bit A-counter, and dual-modulus prescaler (P/P+1), enabling N-divider synthesis via N = BP + A. It uses a low-noise digital phase-frequency detector (PFD) with 3 ns antibacklash pulse and precision charge pumps with programmable current via RSET.
It supports independent RF and IF reference division via 14-bit R-counters, separate VP1/VP2 supplies for RF/IF charge pumps (up to 6.0 V), and multiplexed MUXOUT for lock detect, divider outputs, or reference monitoring. Fastlock mode reduces settling time, while power-down mode draws only 1 µA typical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.15–2.7 GHz (3 V operation); enables direct LO synthesis for 2.6 GHz LTE bands without external prescaling |
| IF Input Frequency | 0.06–1.0 GHz (3 V); supports IF-stage LO generation in zero-IF or low-IF receiver architectures |
| Charge Pump Current | 625 µA–5 mA (programmable via RSET); allows loop filter optimization across wide bandwidths (1 kHz–100 kHz) |
| PFD Frequency Max | 55 MHz; sets upper limit on reference division ratio and impacts phase noise floor and reference spur spacing |
| Supply Voltage Range | 2.7–5.5 V (VDD1/VDD2); supports battery-powered and fixed-rail systems with separate VP1/VP2 up to 6.0 V for extended VCO tuning |
| Power Consumption | 17.5 mA max (RF+IF, 3 V); enables thermal management in dense RF front-end modules |
| Lock Detect | Analog (open-drain) and digital (active-high) outputs; provides redundant, real-time PLL status for system-level fault handling |
Pinout & Package
TSSOP-20 package (RU-20), 0.65 mm pitch, thermally enhanced with exposed paddle (not electrically connected per datasheet); requires dedicated AGND/DGND separation for RF/IF analog/digital sections and decoupling capacitors placed adjacent to VDD1/VDD2/VP1/VP2 pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 / VDD2 | RF and IF digital/analog power supplies | Must be tied together at same potential (2.7–5.5 V); require local 100 nF + 10 nF decoupling to respective ground planes |
| VP1 / VP2 | RF and IF charge pump supplies | Independent of VDD; can be set to 6 V to drive high-tuning-range VCOs without level-shifting circuitry |
| RFIN / IFIN | Differential RF/IF input terminals | AC-coupled CML inputs; accept –10 dBm min sensitivity; require impedance-matched 50 Ω trace routing |
| CPRF / CPIF | RF and IF charge pump outputs | Connect directly to loop filter; output current programmable; sensitive to PCB parasitics and grounding |
| REFIN | Reference clock input | CMOS-compatible (0–VDD), 0–115 MHz range; internal 100 kΩ termination; supports TTL/CMOS oscillators |
| MUXOUT | Configurable multiplexer output | Selects between RF/IF lock detect, divider outputs, or reference signal - critical for debug and system synchronization |
| CLK / DATA / LE | 3-wire serial interface | MSB-first 24-bit shift register; timing-critical (t1 ≥ 10 ns setup); LE latches data into selected register (R, AB counters) |
| RSET | Charge pump current setting | Resistor-to-ground sets ICP via ICP = 13.5 / RSET; 2.7 kΩ yields 5 mA; voltage at pin is 0.66 V nominal |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent PLL paths | Enables simultaneous RF and IF LO synthesis in single-chip transceivers, eliminating need for two discrete synthesizers and reducing BOM count |
| Programmable dual-modulus prescaler | Four selectable ratios (8/9, 16/17, 32/33, 64/65) allow optimal trade-off between resolution, speed, and spurious performance across wide frequency bands |
| Separate VP1/VP2 supplies | Permits 6 V tuning voltage headroom in 3 V systems, supporting wide-range VCOs (e.g., 0.5–3.0 V tuning range) without external charge pump boosters |
| Fastlock mode | Reduces PLL lock time to ~200 µs (typical), meeting fast channel-switching requirements in TDD-LTE and WiMAX base stations |
| Three-state charge pump output | Allows dynamic disabling of CP during power-down or calibration, preventing unintended VCO tuning drift when inactive |
Applications
| Base Station Transceiver | Wireless Handset Front-End |
|---|---|
Use Scenario: Dual-conversion architecture in macrocell BTS requiring independent RF and IF LO signals for upconversion (Tx) and downconversion (Rx). IC Role / Device Role / Timing Role: Generates 2.14 GHz RF LO and 450 MHz IF LO simultaneously using internal dual PLL paths and shared reference. Use Value: Eliminates external LO distribution and buffering; reduces phase noise degradation from cascaded components; supports <1 kHz loop bandwidth for narrowband filtering. | Use Scenario: Multi-band handset supporting GSM/DCS/PCS/WCDMA with dynamic band switching and fast re-locking. IC Role / Device Role / Timing Role: Provides agile LO synthesis with Fastlock mode and programmable PFD frequency to meet 3GPP handover timing specs (<15 ms). Use Value: Enables sub-200 µs lock time at 1.9 GHz; integrated analog/digital lock detect simplifies host processor interrupt handling and state machine design. |
| Wireless LAN Access Point | RF Test Equipment Local Oscillator |
Use Scenario: 5 GHz band (UNII-1/2/3) AP requiring clean LO for OFDM modulation with low EVM impact. IC Role / Device Role / Timing Role: Synthesizes 5.25 GHz RF LO with 200 kHz PFD frequency and 20 kHz loop bandwidth to suppress close-in phase noise. Use Value: Achieves –89 dBc/Hz @ 1 kHz offset (2.4 GHz) and –90 dBc/Hz @ 1 kHz offset (5 GHz), meeting IEEE 802.11ac spectral mask requirements. | Use Scenario: Modular signal generator requiring stable, switchable LO sources across 1–3 GHz for stimulus generation and demodulation. IC Role / Device Role / Timing Role: Serves as programmable LO engine with MUXOUT-configurable reference/lock outputs for instrument synchronization and diagnostics. Use Value: Supports rapid frequency hopping via serial interface; lock detect outputs feed FPGA-based control logic for automated calibration sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual PLL frequency synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4212BRUZ | Same die, tape-and-reel vs. cut-tape (RL7); identical electrical specs, timing, and pinout | No functional difference; RL7 optimized for automated SMT placement; RUZ for manual prototyping or low-volume assembly | Select ADF4212BRUZ-RL7 for high-volume production; ADF4212BRUZ for evaluation or small-batch builds |
| ADF4213BRUZ-RL7 | Higher RF range (3.0 GHz vs. 2.7 GHz); higher current consumption (20 mA vs. 17.5 mA); same IF range and interface | Required for 2.6–2.7 GHz LTE-A carrier aggregation or 3.5 GHz 5G NR FR1 bands where ADF4212BRUZ-RL7 falls short | Choose ADF4213BRUZ-RL7 only if >2.7 GHz RF coverage is mandatory; otherwise ADF4212BRUZ-RL7 offers better power efficiency and cost |
Compared with ADF4212BRUZ-RL7, ADF4212BRUZ offers identical performance in a different packaging format ideal for prototyping, while ADF4213BRUZ-RL7 extends RF reach to 3.0 GHz at the cost of higher supply current and reduced power efficiency - making ADF4212BRUZ-RL7 the optimal choice for 2.6 GHz LTE and sub-3 GHz wireless infrastructure.
Availability
ADF4212BRUZ-RL7 is available at Aetrix Electronics and suitable for wireless base stations, RF test equipment, and 5G small cell infrastructure requiring stable component supply, long-term lifecycle support, and RoHS-compliant TSSOP packaging.
Supply support for ADF4212BRUZ-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, serving communications, industrial, automotive, and healthcare markets with precision signal processing solutions.
The ADF421x family targets wireless infrastructure and handheld devices, delivering dual-path PLL synthesis with low phase noise, flexible prescaling, and robust lock detection - specifically engineered for multi-standard RF transceivers operating from 60 MHz to 3 GHz.
FAQ
What is the maximum RF input frequency supported by the ADF4212BRUZ-RL7 at 3 V operation?
The ADF4212BRUZ-RL7 supports an RF input frequency range of 0.15 GHz to 2.7 GHz when operated at 3 V, as specified in the "RF/IF CHARACTERISTICS (3 V)" table of the datasheet. This makes it suitable for LTE Band 7 (2.5–2.57 GHz) and Band 41 (2.496–2.69 GHz) applications without external prescaling.
Does the ADF4212BRUZ-RL7 support independent programming of RF and IF PLL parameters?
Yes, the ADF4212BRUZ-RL7 supports fully independent programming of RF and IF PLL parameters via four dedicated 24-bit latches - IF R-counter, IF AB-counter, RF R-counter, and RF AB-counter - selected using control bits C2/C1. Each path has its own prescaler, A/B counters, charge pump, and lock detect.
How is charge pump current configured on the ADF4212BRUZ-RL7?
Charge pump current on the ADF4212BRUZ-RL7 is configured by connecting an external resistor (RSET) between the RSET pin and ground. The relationship is ICP = 13.5 / RSET, yielding 5 mA with 2.7 kΩ. Both RF and IF charge pumps share this setting, and the pin maintains a nominal 0.66 V bias.
What package type and footprint does the ADF4212BRUZ-RL7 use?
The ADF4212BRUZ-RL7 uses a 20-lead Thin Shrink Small Outline Package (TSSOP-20, RU-20), with 0.65 mm lead pitch and thermally enhanced construction. Its pinout matches the ADF4210/4211/4213 family, enabling drop-in compatibility within the same package variant across frequency grades.
Can the ADF4212BRUZ-RL7 generate both RF and IF LO signals simultaneously in a single device?
Yes, the ADF4212BRUZ-RL7 integrates two fully independent PLL cores - one for RF (up to 2.7 GHz) and one for IF (up to 1.0 GHz) - allowing concurrent LO generation from a single reference clock. This eliminates inter-PLL coupling and enables true dual-conversion architectures without external LO routing.
ADF4212BRUZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Clock/Frequency Synthesizer (RF/IF)
- PLL:
- Yes
- Input:
- CMOS, TTL
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 3:1
- Differential - Input:Output:
- Yes/No
- Frequency - Max:
- 2.7GHz
- Divider/Multiplier:
- No/No
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 20-TSSOP
ADF4212BRUZ-RL7 FAQ
1.How can I place an order for ADF4212BRUZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4212BRUZ-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 ADF4212BRUZ-RL7 reliable?
The price and inventory of ADF4212BRUZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4212BRUZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4212BRUZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4212BRUZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4212BRUZ-RL7?
ADF4212BRUZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4212BRUZ-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 ADF4212BRUZ-RL7?
For technical support, including ADF4212BRUZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4212BRUZ-RL7 requirements.
6.How does Aetrix verify that ADF4212BRUZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4212BRUZ-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 ADF4212BRUZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4212BRUZ-RL7?
All ADF4212BRUZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4212BRUZ-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 ADF4212BRUZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4212BRUZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADF4212BRUZ-RL7 Tags
-
CD74HCT4046AM96
Texas Instruments
-
MC14046BDWR2G
onsemi
-
501MILFT
Renesas
-
CD74HC7046AM
Texas Instruments
-
CDCVF2505PWR
Texas Instruments
-
RC19004A100GNL#KB0
Renesas
-
SI5351A-B-GTR
Skyworks Solutions Inc.
-
CY2305SXI-1T
Infineon Technologies
-
570BILFT
Renesas
-
CDCE913PWR
Texas Instruments
-
CY2305SXI-1HT
Infineon Technologies
-
DS1086LU+T
Analog Devices Inc./Maxim Integrated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
