NXP Semiconductors OM7610/BGA2771

Overview

BGA2771 from NXP Semiconductors is a silicon monolithic microwave integrated circuit (MMIC) wideband amplifier in SOT363 package, delivering 21.4 dB insertion gain at 1 GHz, 4.5 dB noise figure, and 13.2 dBm saturated output power with internal 50 Ω matching - used as IF amplifier in LNBs and broadband driver stages.

For engineers reviewing the BGA2771 datasheet, BGA2771 pinout, BGA2771 application, or BGA2771 equivalent, this page provides verified pin functions, real-world RF performance metrics (gain flatness, IP3, return loss), thermal resistance (300 K/W), and validated alternatives for cable systems, ISM transceivers, and receiver front-end designs.

Technical Context

The BGA2771 employs unconditionally stable GaAs-based MMIC architecture with on-die matching networks eliminating external tuning components. It operates from DC to 2.4 GHz bandwidth with −3 dB gain roll-off referenced to 1 GHz flat response.

Its RF input and output are internally matched to 50 Ω, enabling direct integration into coaxial or microstrip signal paths without impedance transformers. Stability factor K > 1 across 100 MHz–3 GHz confirms unconditional stability under all passive terminations.

Key Specifications

Pinout & Package

Package: SOT363 - 6-pin plastic surface-mount package (2.2 × 1.35 × 1.15 mm), lead pitch 0.65 mm, compliant with SC-88 standard.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar wideband RF amplifier applications.

Compared with QPL9057 and ERA-5SM+, the BGA2771 provides best-in-class balance of integration (no external matching), thermal efficiency (300 K/W), and production readiness for sub-3 GHz broadband amplification - especially where PCB area, BOM simplicity, and repeatable RF performance are prioritized.

Availability

BGA2771 is available at Aetrix Electronics and suitable for cable systems, LNB IF amplifiers, and ISM band transceivers requiring stable component supply, consistent RF performance, and long-term manufacturing continuity.

Supply support for BGA2711 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

NXP Semiconductors is a global semiconductor leader specializing in high-performance RF, analog, and mixed-signal solutions for automotive, industrial, and communications markets.

The BGA2771 belongs to NXP's legacy MMIC amplifier product line designed specifically for broadband infrastructure applications including satellite reception, cable distribution, and wireless test equipment - emphasizing ease of integration and production robustness.

FAQ

What is the maximum supply voltage for the BGA2771?

The BGA2771 supports a maximum DC supply voltage of 4 V, as specified in its Absolute Maximum Ratings. Operation above this voltage risks permanent damage to the internal GaAs transistor structure. For reliable long-term performance, NXP recommends operating at 3 V, where the device delivers optimal gain flatness and linearity while maintaining 33.3 mA supply current - consistent with the BGA2771 characterization conditions in the official datasheet.

Does the BGA2771 require external matching components?

No, the BGA2771 does not require external matching components. Its internal matching network provides 50 Ω input and output impedance across 100 MHz–2.4 GHz, enabling direct connection to standard RF traces and connectors. This is confirmed by the "Internally matched" feature and typical s11/s22 data showing >13 dB return loss at 1 GHz - a key design advantage that simplifies layout and improves repeatability in high-volume RF module production using the BGA2771.

What is the thermal resistance of the BGA2771 and how should it be managed?

The BGA2771 has a junction-to-solder-point thermal resistance (Rth j-s) of 300 K/W. To maintain safe junction temperature (<150 °C), designers must use multiple thermal vias under pins 2 and 5 (GND2), apply generous copper pour on inner layers, and avoid enclosing the SOT363 package in sealed enclosures. The datasheet specifies that total power dissipation must remain ≤200 mW when solder-point temperature stays ≤80 °C - a critical constraint for continuous-wave operation of the BGA2771 in ambient temperatures above 50 °C.

Can the BGA2771 be used in cascade configurations?

Yes, the BGA2771 is explicitly validated for cascaded operation, as shown in Figure 3 of its datasheet. Two BGA2771 devices can be connected back-to-back with proper interstage DC blocking (100 pF) and independent supply decoupling to achieve ~42 dB total gain while preserving broadband response and stability. Each stage must retain separate GND1/GND2 routing and localized 22 nF decoupling - confirming the BGA2771's suitability for high-gain IF chains in satellite receivers and spectrum analyzers.

What is the small-signal linearity performance of the BGA2771 at 2 GHz?

At 2 GHz, the BGA2771 delivers an input third-order intercept point (IP3(in)) of −4.3 dBm and output IP3(out) of 16.5 dBm, with 1 dB compression point (P1dB) at 8.4 dBm. These values reflect measurable two-tone intermodulation performance under 3 V/33.3 mA bias, supporting applications such as 2.4 GHz ISM transceivers where adjacent-channel interference rejection is critical. The −4.3 dBm IP3(in) indicates the BGA2771 maintains usable linearity up to moderate input levels, consistent with its role as a driver rather than final PA stage in the BGA2771 signal chain.