Analog Devices Inc. ADMV8052ACCZ

Overview

ADMV8052ACCZ from Analog Devices is a digitally tunable RF band-pass filter IC covering 30 MHz to 520 MHz across three discrete bands, featuring 8-bit f_CENTER control (256 states), 9% ±2% 3 dB bandwidth, <4.5 dB typical insertion loss, and 20 dB rejection at ±25% offset - deployed in land mobile radio front-ends for dynamic channel selection.

For engineers reviewing the ADMV8052ACCZ datasheet, ADMV8052ACCZ pinout, ADMV8052ACCZ application, or ADMV8052ACCZ equivalent, this page delivers verified center-frequency tuning resolution (0.75% of f_CENTER), SPI-configurable bypass mode (<1 dB loss), and real-world linearity data (40–44 dBm IP3) critical for RF system filtering trade-offs.

Technical Context

The ADMV8052ACCZ integrates three monolithic band-pass filters and an RF bypass path via on-chip SP4T switches, enabling seamless coverage from 30 MHz to 520 MHz without dead zones. Its patented interpolation engine maps 8-bit FC_LOAD_WR values to capacitor codes for f_CENTER, bandwidth, and impedance matching - eliminating manual coefficient lookup.

Operation relies on a 3.3 V/−2.5 V dual-supply architecture with 5-pin SPI (SCLK, CS, SDI, SDO, SFL) supporting both standard write mode and fast-latch sequencing. The device supports dynamic reconfiguration in <10 µs amplitude settling time and <15 µs phase settling time, with temperature drift as low as −50 ppm/°C in Band 2.

Key Specifications

Pinout & Package

ADMV8052ACCZ uses a 32-terminal LGA package (5.0 mm × 5.0 mm × 0.9 mm) with exposed EPAD grounded to RF/DC reference. All GND pins (1–4, 12–15, 17, 20, 22–32) and EPAD must be soldered to a solid ground plane for optimal RF return path and thermal dissipation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digitally tunable RF filter applications.

Compared with QM11036 and VBF-300+, the ADMV8052ACCZ uniquely delivers sub-100 MHz coverage, dual-rail supply optimization for low-noise RF, and integrated bypass mode - making it the only option meeting LMR and EW requirements for <4.5 dB loss, 20 dB rejection, and SPI-driven reconfiguration below 520 MHz.

Availability

ADMV8052ACCZ is available at Aetrix Electronics and suitable for land mobile radio, test equipment, military radar, and satellite communications requiring stable component supply, full traceability, and long-term lifecycle support.

Supply support for ADMV8052ACCZ 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 global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and defense markets since 1965.

The ADMV8052ACCZ belongs to Analog Devices' tunable RF filter product line, engineered specifically for software-defined radio, electronic warfare, and spectrum-agile communication systems demanding dynamic, low-loss, multiband filtering.

FAQ

What is the operating temperature range for the ADMV8052ACCZ?

The ADMV8052ACCZ operates from −40°C to +85°C, with specified RF performance (insertion loss, f_CENTER, IP3) validated across this range. Drift rates are characterized per band: −60 ppm/°C (Band 1), −50 ppm/°C (Band 2), and −55 ppm/°C (Band 3). Thermal design must ensure paddle temperature remains ≤90°C for nominal MTTF.

Does the ADMV8052ACCZ require external DC blocking capacitors on RF1 and RF2?

Yes - RF1 and RF2 are DC-coupled, so external DC blocking capacitors are required if upstream/downstream components impose DC voltage. For 30–520 MHz operation, ≥10 nF capacitors are recommended; parasitic inductance must be minimized at higher frequencies. The ADMV8052ACCZ datasheet provides ESL guidelines to avoid resonance-induced insertion loss peaks.

How does the interpolation function simplify f_CENTER programming in the ADMV8052ACCZ?

The ADMV8052ACCZ interpolation engine converts an 8-bit FC_LOAD_WR value (0–255) directly into optimized capacitor codes for f_CENTER, bandwidth, and matching - using on-chip coefficients per band. This eliminates manual lookups: e.g., FC_LOAD_WR = 0 → ~30 MHz (Band 1), FC_LOAD_WR = 255 → ~90 MHz (Band 1), with linear step size (~0.75% of f_CENTER).

Can the ADMV8052ACCZ be used in bypass mode while maintaining high linearity?

Yes - the ADMV8052ACCZ bypass mode delivers <1 dB insertion loss and >24 dBm P0.1dB, with in-band IP3 of 53 dBm (f₁ = f_C − 5 kHz, f₂ = f_C + 5 kHz). This enables transparent signal routing during filter calibration, fault recovery, or wideband monitoring - preserving system dynamic range without external switch insertion.

What SPI timing constraints apply to reliable register writes on the ADMV8052ACCZ?

ADMV8052ACCZ requires t₂ ≥ 50 ns SCLK cycle time, t₅ ≥ 5 ns CS falling edge to SCLK rising edge setup, and t₆ ≥ 2 ns SCLK rising edge to CS hold. For continuous streaming (Register 0x020–0x02F), ascending-order writes are mandatory. Exceeding specs risks register corruption; Analog Devices recommends ≤10 MHz SCLK for robust operation unless validated per application note.