Overview
The LTC5567IUF#TRPBF is a high-performance RF mixer IC designed by Analog Devices Inc. This device is optimized for RF downconverting mixer applications and offers a wide IF bandwidth, making it suitable for various high-frequency applications. It is a pin-compatible upgrade to the LT5557 and features a double-balanced mixer architecture. The LTC5567 operates over a frequency range of 300 MHz to 4 GHz, making it versatile for different RF systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VCC, IF+, IF–) | 4.0 | V | |||
| Enable Input Voltage (EN) | –0.3 | VCC + 0.3 | V | ||
| LO Input Power (300MHz to 4.5GHz) | +10 | dBm | |||
| RF Input Power (300MHz to 4GHz) | +15 | dBm | |||
| Operating Temperature Range (TC) | –40 | 105 | °C | ||
| Junction Temperature (TJ) | 150 | °C | |||
| Power Conversion Gain (RF = 450MHz, High Side LO) | 0.8 | 1.5 | 2.0 | dB | |
| Power Conversion Gain (RF = 1950MHz, Low Side LO) | 1.7 | dB | |||
| IIP3 (RF = 3500MHz, Low Side LO) | 24 | dBm | |||
| SSB NF (RF = 3500MHz, Low Side LO) | 12 | dB |
Key Features
- Double-balanced mixer architecture for high linearity and isolation.
- Wide IF bandwidth, suitable for various high-frequency applications.
- Operates over a frequency range of 300 MHz to 4 GHz.
- High IIP3 (Input Third-Order Intercept Point) for improved linearity.
- Low noise figure (SSB NF) for enhanced signal quality.
- Temperature sensing diode for monitoring die temperature.
- Pin-compatible upgrade to the LT5557.
- 16-lead QFN package (4mm × 4mm) for compact design.
Applications
The LTC5567IUF#TRPBF is designed for use in various RF downconverting mixer applications, including:
- Cellular base stations and repeaters.
- Cable TV and satellite systems.
- Microwave links and point-to-point radios.
- Radar systems and military communications.
- Test and measurement equipment.
Q & A
- What is the operating frequency range of the LTC5567IUF#TRPBF?
The LTC5567IUF#TRPBF operates over a frequency range of 300 MHz to 4 GHz. - What is the maximum supply voltage for the LTC5567IUF#TRPBF?
The maximum supply voltage is 4.0 V. - What is the typical power conversion gain at 1950 MHz with a low side LO?
The typical power conversion gain is 1.7 dB. - What is the maximum junction temperature for the LTC5567IUF#TRPBF?
The maximum junction temperature is 150°C. - What package type is used for the LTC5567IUF#TRPBF?
The device is packaged in a 16-lead QFN (4mm × 4mm). - Is the LTC5567IUF#TRPBF pin-compatible with any other model?
Yes, it is pin-compatible with the LT5557. - What is the purpose of the temperature sensing diode in the LTC5567IUF#TRPBF?
The temperature sensing diode is used to measure the die temperature. - What are some typical applications for the LTC5567IUF#TRPBF?
Typical applications include cellular base stations, cable TV and satellite systems, microwave links, radar systems, and test and measurement equipment. - What is the maximum LO input power for the LTC5567IUF#TRPBF?
The maximum LO input power is +10 dBm. - What is the maximum RF input power for the LTC5567IUF#TRPBF?
The maximum RF input power is +15 dBm.
