Overview
The LTC5586IUH#PBF, produced by Analog Devices Inc., is a high-performance direct conversion quadrature demodulator designed for high linearity zero-IF and low IF receiver applications. It operates within the 300MHz to 6GHz frequency range, making it particularly suited for demodulation of very wideband signals, especially in digital predistortion (DPD) applications. The device features a wide IF bandwidth of more than 1GHz and outstanding dynamic range, making it suitable for demanding infrastructure direct conversion applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| RF Input Frequency Range | - | 0.3 | - | 6.0 | GHz |
| LO Input Frequency Range | - | 0.3 | - | 6.0 | GHz |
| RF Input Return Loss | fRF = 300MHz to 500MHz | 10 | - | - | dB |
| LO Input Return Loss | fLO = 300MHz to 6.0GHz | 10 | - | - | dB |
| LO Input Power Range | - | -6 | - | 12 | dBm |
| Operating Temperature Range | - | -40 | - | 105 | °C |
| Supply Voltage (VCC, VCCN) | - | -0.3 | - | 5.5 | V |
| Package Type | - | - | - | 32-Lead 5mm × 5mm QFN | - |
Key Features
- High OIP3 and high conversion gain, optimized for high linearity zero-IF and low IF receiver applications.
- 31dB RF Attenuator with 1dB step size.
- RF Switch with 40dB isolation at 1.9GHz.
- Single-Ended RF Inputs with On-Chip Transformer.
- IF Amplifier Gain Adjustable in 8 Steps.
- Proprietary technology for optimizing OIP2 to 80dBm and achieving image rejection better than 60dB.
- I/Q Phase Mismatch Adjustment Range: –2.5 to 2.5 degrees.
Applications
The LTC5586IUH#PBF is particularly suited for demanding infrastructure direct conversion applications, including but not limited to:
- Digital Predistortion (DPD) applications due to its wide IF bandwidth and high dynamic range.
- High linearity zero-IF and low IF receiver applications in the frequency range of 300MHz to 6GHz.
- Wireless communication systems requiring high performance and wideband signal demodulation.
Q & A
- What is the operating frequency range of the LTC5586IUH#PBF? The LTC5586IUH#PBF operates within the 300MHz to 6GHz frequency range.
- What is the package type of the LTC5586IUH#PBF? The LTC5586IUH#PBF comes in a 32-Lead 5mm × 5mm QFN package.
- What is the operating temperature range of the LTC5586IUH#PBF? The operating temperature range is –40°C to 105°C.
- What is the LO input power range for the LTC5586IUH#PBF? The LO input power range is –6 to 12 dBm.
- Does the LTC5586IUH#PBF have adjustable IF amplifier gain? Yes, the IF amplifier gain is adjustable in 8 steps.
- What is the image rejection ratio of the LTC5586IUH#PBF? The image rejection ratio is better than 60dB.
- Is the LTC5586IUH#PBF suitable for digital predistortion (DPD) applications? Yes, it is particularly suited for DPD applications due to its wide IF bandwidth and high dynamic range.
- What is the RF input return loss of the LTC5586IUH#PBF? The RF input return loss is greater than 10 dB for frequencies from 300MHz to 6.0GHz.
- Does the LTC5586IUH#PBF have on-chip transformers for RF inputs? Yes, it features single-ended RF inputs with on-chip transformers.
- What is the typical supply voltage for the LTC5586IUH#PBF? The typical supply voltage (VCC, VCCN) is 5V.
