NXP Semiconductors OM7858/BGA3012,598

Overview

BGA3012 from NXP Semiconductors is a monolithic microwave integrated circuit (MMIC) low-noise amplifier optimized for CATV infrastructure, delivering 12 dB gain, 3.1 dB noise figure, and +40 dBm output third-order intercept point (IP3O) across 40–1006 MHz at 8 V supply. It operates as a forward-path driver in line extenders and optical nodes with 75 Ω input/output impedance and internal biasing.

For engineers reviewing the BGA3012 datasheet, BGA3012 pinout, BGA3012 application, or BGA3012 equivalent, this page provides verified specifications, SOT89 package layout, forward/return-mode performance data, thermal resistance (40 K/W), and real-world CATV system design context - including CTB (−75 dBc) and CSO (−60 dBc) distortion metrics under 132-channel NTSC load.

Technical Context

The BGA3012 implements a single-stage GaAs MMIC architecture with internally set DC bias, eliminating external bias networks. Its RF path supports both forward (40–1006 MHz) and return (5–300 MHz) CATV bands via reconfigured external passive components, not internal switching.

It achieves flat gain (±0.5 dB) and high return loss (>22 dB input, >21 dB output) across its full bandwidth using matched 75 Ω topology. Thermal management relies on the exposed die pad of the SOT89 package, with junction-to-solder-point thermal resistance specified at 40 K/W.

Key Specifications

Pinout & Package

Package: SOT89 (SC-62), plastic surface-mounted with exposed die pad for thermal conduction. Dimensions: 4.6 × 2.6 × 1.6 mm (L × W × H); lead pitch 3.0 mm; heatsink base electrically connected to Pin 2 (GND).

Key Features

Applications

Equivalent & Alternatives

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

Compared with QPL9057 and MAX2130, the BGA3012 uniquely combines 75 Ω impedance, internal biasing, and validated −75 dBc CTB performance in a thermally robust SOT89 package - making it the only drop-in solution for legacy and new CATV line extender designs requiring zero matching components.

Availability

BGA3012 is available at Aetrix Electronics and suitable for CATV line extenders, FTTx optical node drivers, and drop amplifiers requiring stable component supply, long-lifecycle support, and consistent RF performance across temperature extremes.

Supply support for BGA3012 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and communication markets.

The BGA3012 belongs to NXP's CATV MMIC product line, engineered specifically for high-linearity, wideband amplification in community antenna television infrastructure - emphasizing thermal reliability, 75 Ω system compatibility, and distortion-limited multi-channel operation.

FAQ

What is the maximum recommended supply voltage for continuous operation of the BGA3012?

The BGA3012 has an absolute maximum supply voltage of +15 V, but its recommended operating range is 5 V to 8 V. At 8 V, it delivers optimal linearity (IP3O = +40 dBm) and output power (P1dB = +23 dBm). Operating above 8.4 V risks exceeding the 125 mA typical supply current limit and may accelerate thermal stress on the SOT89 die pad. The BGA3012 must never be operated beyond 8.4 V in production designs.

Does the BGA3012 require external biasing components in a standard CATV forward-application circuit?

No, the BGA3012 does not require external biasing components. It features internal biasing circuitry, allowing direct connection of VCC to Pin 1 (RF_OUT/bias feed) with only an external DC-blocking capacitor on that pin. This eliminates the need for bias tees, resistive dividers, or choke inductors - reducing bill-of-materials cost and PCB footprint in compact drop amplifier modules.

Can the BGA3012 be used in both forward (downstream) and return (upstream) CATV paths without hardware modification?

Yes, the BGA3012 supports both forward (40–1006 MHz) and return (5–300 MHz) modes using the same die, but requires external circuit reconfiguration - specifically different inductor and resistor values in the application network (e.g., L2 = 22 µH for return mode vs. 3.9 nH for forward mode). The BGA3012 itself has no internal switches or mode pins; functionality is set entirely by the surrounding passive components.

What is the thermal resistance (R_th(j-sp)) of the BGA3012, and how does it impact PCB layout?

The BGA3012 has a junction-to-solder-point thermal resistance of 40 K/W. This value assumes direct thermal conduction from the exposed die pad (center metal base of SOT89) to a large copper pour on the PCB. To maintain safe junction temperature (<150 °C), designers must allocate ≥200 mm² of 2-oz copper connected to Pin 2 (GND) with ≥4 thermal vias (0.3 mm diameter) to inner ground planes - especially critical when operating at 8 V and +23 dBm output.

How does the BGA3012 achieve 75 Ω input/output impedance without external matching networks?

The BGA3012 integrates on-die impedance transformation circuitry optimized for 75 Ω coaxial CATV systems. Its internal MMIC transistor cells and interstage networks are designed with characteristic impedances aligned to 75 Ω, enabling direct connection to F-connectors and 75 Ω traces. Measured return loss exceeds 22 dB across 50–1000 MHz, confirming intrinsic matching - eliminating the need for quarter-wave transformers or LC networks in standard applications.