ADI LTC5508ESC6#TRPBF RF Power Detector IC - SC70
- Product Code: LTC5508ESC6#TRPBF
- Availability: In Stock
$3.20
- Ex Tax: $3.20
Revolutionizing RF Power Sensing: The LTC5508ESC6#TRPBF is a high-performance RF power detector IC designed for precision RF power measurement in modern wireless and industrial systems. This compact SC70-packaged device combines advanced temperature-compensated Schottky diode technology with integrated buffering to deliver fast, accurate, and reliable power detection across a wide frequency range.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Frequency Range | 300 MHz – 7 GHz |
| Input Power Range | -32 dBm to +12 dBm |
| Supply Voltage | 2.7 V – 6 V |
| Output Voltage Range | 0.1 V – 2.5 V (linear response) |
| Temperature Range | -40°C to +85°C |
| Package | SC70 (6-pin, 2.9 mm × 2.8 mm) |
| Shutdown Current | <2 µA (enable pin low) |
| Input Impedance | 50 Ω |
Advanced Design Features
- Temperature-Compensated Schottky Diode:
- Built-in temperature compensation ensures consistent performance across wide temperature variations, critical for industrial and automotive applications.
- Integrated Buffer Amplifier:
- Provides low-impedance output (50 Ω) for direct interface with ADCs or microcontrollers, minimizing signal distortion.
- Low Power Consumption:
- Operates at 550 µA (active mode) and <2 µA in shutdown, ideal for battery-powered systems.
- Compact SC70 Packaging:
- Optimized for space-constrained designs while maintaining mechanical robustness.
Industrial Applications
- Wireless Communication:
- 802.11a/b/g/n/ac Wi-Fi, Bluetooth, and Zigbee power amplifiers.
- Industrial Automation:
- RF power monitoring in sensors, actuators, and industrial IoT devices.
- Medical Electronics:
- RF ablation and imaging systems requiring precise power control.
- Telecom Infrastructure:
- Base station power amplifiers and RF front-end modules.
Performance Advantages
- High Accuracy:
- Linear output (±1% full-scale) across -32 dBm to +12 dBm input range.
- Broad Dynamic Range:
- Detects signals from ultra-low power (-32 dBm) to high-power (+12 dBm) applications.
- Low Noise:
- Integrated filtering minimizes output noise for sensitive measurement systems.
- Robust Reliability:
- AEC-Q100-qualified for automotive use (per search result compatibility).
Design Considerations
- Input Matching:
- Use a 50 Ω impedance matching network to optimize RF signal integrity.
- Power Supply Filtering:
- Add decoupling capacitors (0.1 µF ceramic + 10 µF electrolytic) near VCC.
- Layout Optimization:
- Minimize trace lengths for RF input and output to reduce parasitic inductance.
- Thermal Management:
- For continuous high-power operation, attach a heatsink to the package.
Future-Proof Engineering
- Backward Compatibility:
- Supports legacy systems requiring SC70 footprint while meeting modern RF standards.
- Long-Term Availability:
- Rated for 10+ years of supply under Linear Technology’s (now Analog Devices) industrial roadmap.
- System Scalability:
- Compatible with multi-stage power amplifier architectures and digital control interfaces.
Tags: RF Power Detector, Wireless Communication, RF Power Management, Cellular Infrastructure, Wi-Fi/Bluetooth