This datasheet provides parameters of SMA428A high gain, low noise amplifier, including supply voltage, output voltage, input current, total dissipation, input power, operating temperature range etc.
The SMA428A is a high‑gain, low‑noise amplifier designed for front‑end stages up to 2.5 GHz. It operates from a typical supply voltage of 2.4 V to 3.3 V and offers a gain of about 21 dB with a noise figure as low as 1.3 dB at 1.85 GHz.
The document lists absolute maximum ratings, detailed electrical characteristics, S‑parameter curves, typical performance over temperature, and mechanical dimensions of the ultra‑miniature SOT‑323‑6L package. It also includes tape‑and‑reel dimensions for handling and shipping.
| Typical Gain (Gp) | 21 dB at 1.85 GHz |
|---|---|
| Typical Noise Figure (NF) | 1.3 dB at 1.85 GHz |
| Supply Voltage (typical) | 2.4 V – 3.3 V |
| Current Consumption (typical) | 5.9 mA |
| Maximum Device Current | 12 mA |
| Package Type | SOT‑323‑6L (lead‑free) |
| Package Dimensions | 1.15 mm × 1.8 mm × 0.8 mm |
The SMA428A provides a typical gain of 21 dB at 1.85 GHz.
It operates from a typical supply voltage of 2.4 V to 3.3 V.
The noise figure is typically 1.3 dB at 1.85 GHz.
It is housed in an ultra‑miniature lead‑free SOT‑323‑6L package.