Analog Devices Inc. ADF4377BCCZ-RL7

Overview

ADF4377BCCZ-RL7 from Analog Devices is a microwave wideband integer-N PLL synthesizer with integrated VCO, designed for ultra-low-jitter clock generation in high-speed data converter and MxFE systems. It delivers dual differential outputs from 800 MHz to 12.8 GHz, achieves 18 fsRMS jitter (100 Hz–100 MHz), features −239 dBc/Hz normalized in-band phase noise floor, and supports precise multichip phase alignment for JESD204B/C Subclass 1 timing.

For engineers reviewing the ADF4377BCCZ-RL7 datasheet, ADF4377BCCZ-RL7 pinout, ADF4377BCCZ-RL7 application, or ADF4377BCCZ-RL7 equivalent, this page provides verified specifications, validated pin functions, confirmed JESD204B/C SYSREF alignment capability, real-world reference-to-output delay performance (±0.1 ps adjustment), and direct alternatives for high-frequency clock synthesis in 5G infrastructure and test equipment.

Technical Context

The ADF4377BCCZ-RL7 implements a dual-output integer-N PLL architecture with two independent output dividers (O = 1, 2, 4, 8) and a programmable feedback divider (N = 2–4095). Its phase detector operates up to 500 MHz, enabling low in-band noise and sub-20 fsRMS integrated jitter across its full 800 MHz–12.8 GHz range.

It integrates automatic reference-to-output synchronization, matched propagation delays across PVT (3 ps device-to-device std dev), and < ±0.1 ps jitter-free delay tuning via N_DEL/R_DEL registers - all supporting deterministic multichip clock and SYSREF alignment without external calibration.

Key Specifications

Pinout & Package

Package: 7 mm × 7 mm, 48-lead LGA (CC-48-6), exposed thermal pad soldered to PCB ground plane with multiple vias.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar wideband PLL synthesizer applications.

Compared with HMC7044LP6GETR and ADF4371BCPZ-RL7, the ADF4377BCCZ-RL7 uniquely delivers dual 12.8 GHz outputs with matched delay and sub-20 fs jitter in a single IC - eliminating inter-chip skew and external VCO design complexity in wideband MxFE clock trees.

Availability

ADF4377BCCZ-RL7 is available at Aetrix Electronics and suitable for 5G massive MIMO radio units, high-speed data converter clocking, and millimeter-wave test equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for ADF4377BCCZ-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 DSP technologies, serving precision instrumentation, communications, and industrial markets since 1965.

The ADF4377 product line was developed specifically for ultralow-jitter, wideband clock synthesis in JESD204B/C-based data converter systems - emphasizing deterministic latency, multichip phase alignment, and RF-grade spectral purity.

FAQ

What is the maximum output frequency supported by the ADF4377BCCZ-RL7?

The ADF4377BCCZ-RL7 supports a continuous output frequency range from 800 MHz to 12.8 GHz. This is achieved using its integrated fundamental VCO core and programmable output dividers (O = 1, 2, 4, 8). The upper limit of 12.8 GHz is specified under typical operating conditions with VV5_VCO = 5 V and TA = 25°C, and remains functional across the full −40°C to +105°C junction temperature range per datasheet Table 1.

Does the ADF4377BCCZ-RL7 support JESD204B and JESD204C Subclass 1 timing requirements?

Yes, the ADF4377BCCZ-RL7 explicitly supports JESD204B and JESD204C Subclass 1 through three key features: automatic reference-to-output synchronization, matched reference-to-output delay across process/voltage/temperature (3 ps std dev), and < ±0.1 ps jitter-free delay adjustment via N_DEL/R_DEL registers. These ensure deterministic latency and enable compliant SYSREF alignment without external calibration - as confirmed in the General Description and Applications Information sections of the Rev. 0 datasheet.

What is the typical RMS jitter performance of the ADF4377BCCZ-RL7 at 12 GHz output?

At 12 GHz output frequency, the ADF4377BCCZ-RL7 achieves 18 fsRMS integrated jitter over the 100 Hz to 100 MHz offset band, and 27 fsRMS using the ADC SNR method. These values are measured under standard test conditions (fREF = 1000 MHz, fPFD = 500 MHz, VV5_VCO = 5 V, TA = 25°C) and are documented in Table 1, "CLOCK OUTPUT NOISE CHARACTERISTICS", on page 5 of the Rev. 0 datasheet.

How does the ADF4377BCCZ-RL7 achieve multichip phase alignment?

The ADF4377BCCZ-RL7 achieves multichip phase alignment via three hardware-enforced mechanisms: (1) automatic reference-to-output synchronization that aligns internal timing paths on power-up, (2) matched reference-to-output propagation delay across process/voltage/temperature (3 ps device-to-device standard deviation), and (3) fine-grained, jitter-free delay tuning (±0.1 ps step size) using N_DEL and R_DEL registers. These capabilities eliminate the need for external delay lines or per-unit calibration in systems with multiple ADF4377BCCZ-RL7 devices.

What power supply configurations are required for proper operation of the ADF4377BCCZ-RL7?

The ADF4377BCCZ-RL7 requires two separate 3.3 V supply groups (V3.3V_1 and V3.3V_2, each 3.15–3.45 V) and three isolated 5 V supplies (VV5_VCO, VV5_CAL, VV5_CP, each 4.75–5.25 V). V3.3V_1 powers PLL digital logic and reference circuitry; V3.3V_2 powers clock buffers and VCO analog sections; the 5 V rails isolate high-current analog blocks (VCO core, charge pump, calibration) from digital noise - as defined in Table 1 and Pin Function Descriptions of the Rev. 0 datasheet.