SLDA52-2R540G-S1 Complete Datasheet, Specs & Pinout
Engineering teams require a compact, authoritative reference for the SLDA52-2R540G-S1 to accelerate RF integration and minimize prototype cycles. This data-driven summary consolidates critical pinout data, electrical operating limits, and layout best practices, enabling faster transition from component evaluation to final PCB sign-off.
Part Overview & Identification
Sub-6 GHz RF Snapshot
The SLDA52-2R540G-S1 is an integrated RF module optimized for compact wireless front ends, specifically targeting Wi-Fi, Bluetooth, and IoT applications. It offers a standardized 50 Ω interface, making it ideal for embedded antenna modules where space and repeatability are paramount.
Electrical Specifications & Operating Limits
| Parameter | Typical / Limit | Units |
|---|---|---|
| Supply Voltage (Vcc) | 3.0 – 3.6 | V |
| Max Input Voltage | 5.5 (Abs Max) | V |
| Operating Temp | -40 to +85 | °C |
| Insertion Loss | < 1.0 | dB |
| Return Loss (S11) | < -10 | dB |
Pinout & Mechanical Schematic
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | Power | System ground connection |
| 2 | VCC | Power | 3.3V DC input supply |
| 3 | ANT | RF | 50 Ω Antenna output port |
| 4 | EN | Input | Enable signal (Active High) |
| 5 | NC | — | Mechanical pad; no connection |
Handling & Integration Best Practices
For optimal EMI mitigation, place decoupling capacitors (0.1 μF and 10 μF) within 2mm of the VCC pad. Ensure the RF trace to the ANT pin is a controlled 50 Ω microstrip or stripline. During manufacturing, visual inspection for solder bridges on Pin 2 (VCC) and Pin 3 (ANT) is critical to prevent shorting the RF path to the supply.
Technical FAQ
What is the primary function of the SLDA52-2R540G-S1?
It is an integrated RF component for compact wireless front ends, typically used in Wi-Fi, Bluetooth, and IoT modules to manage signal paths and impedance matching.
What are the critical voltage and temperature ratings?
The recommended Vcc is 3.0–3.6V, with an absolute maximum of 5.5V. The operating temperature range is -40 to +85°C.
How should the RF antenna pin be handled during layout?
The ANT pin (Pin 3) requires a 50 Ω controlled impedance trace. It is recommended to keep antenna clearance zones free of large copper pours and include thermal ground vias under the component footprint.
What decoupling is required for SLDA52-2R540G-S1?
Use a 0.1 μF ceramic capacitor combined with a 4.7–10 μF bulk capacitor placed within 1–2 mm of the VCC pad to ensure stable RF performance and power integrity.
Summary
Integrating the SLDA52-2R540G-S1 successfully requires strict adherence to its 3.3V operating window and 50 Ω RF path requirements. By utilizing the provided pinout map and electrical limits, designers can minimize impedance mismatches and thermal issues. Always verify the physical part marking against the official datasheet before mass production assembly.
