LTC5567 - 300MHz to 4GHz Active Downconverting Mixer with Wideband IF
Features
- High IIP3: +26.9dBm at 1950MHz
- 1.9dB Conversion Gain
- Low Noise Figure: 11.8dB at 1950MHz
- 16.5dB NF Under 5dBm Blocking
- Low Power: 294mW
- Wide IF Frequency Range Up to 2.5GHz
- LO Input 50Ω Matched when Shutdown
- –40°C to 105°C Operation (TC)
- Very Small Solution Size
- Pin Compatible with LT5557
- 16-Lead (4mm × 4mm) QFN package
Typical Application
Description
The LTC®5567 is optimized for RF downconverting mixer applications that require wide IF bandwidth. The part is also a pin-compatible upgrade to the LT5557 active mixer, offering higher linearity and 1dB compression, wider bandwidth, and lower output spurious levels. Integrated RF and LO transformers and LO buffer amplifiers allow a very compact solution.
The RF input is 50Ω matched from 1.4GHz to 3GHz, and easily matched for higher or lower RF frequencies with simple external matching. The LO input is 50Ω matched from 1GHz to 4GHz, even when the IC is disabled. The LO input is easily matched for higher or lower frequencies, as low as 300MHz, with simple external matching. The low capacitance differential IF output is usable up to 2.5GHz.
Packaging
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.
For complete and up to date package information and drawings, please refer to our packaging page
| Part Number | Package | Code | Temp | Package Drawing |
RoHS |
|---|---|---|---|---|---|
| LTC5567IUF#PBF | 4x4 QFN-16 | UF | I | 05-08-1692 | Yes |
| LTC5567IUF#TRPBF | 4x4 QFN-16 | UF | I | 05-08-1692 | Yes |
Order Info
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
| Part Number | Package | Temp | Price (1-99) |
Price (1k)* |
RoHS | |
|---|---|---|---|---|---|---|
| LTC5567IUF#PBF | 4x4 QFN-16 | I | $9.29 | $6.50 | Yes | |
| LTC5567IUF#TRPBF | 4x4 QFN-16 | I | $6.56 | Yes | ||
| Buy Now • Request Samples | ||||||
Demo Boards
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC1861A | LTC5567 | 300MHz to 4GHz High Linearity Active Downconverting Mixer with Wideband IF Demo Board | $125.00 | |
| Buy Now | |||
Applications
- Wireless Infrastructure Receivers
- DPD Observation Receivers
- CATV Infrastructure
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Design Tools
Linear Technology provides a variety of custom design simulation tools and device models to allow even novice designers to quickly and easily evaluate circuits using high performance switching regulators, amplifiers, data converters, filters and more. Please visit our Design Tools page to view and download:
- LTspice - A powerful SPICE simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators
- LTpowerCAD - A complete power supply selection, synthesis and design tool
- LTpowerPlay - A development environment supporting Linear Technology's Digital Power System Management (PSM) products
- PScope & QuikEval - USB-based product demonstration and data acquisition system for use with our ADCs, DACs, and more
- Linduino - Arduino compatible system for developing and distributing firmware libraries and example code
- LinearLab Tools - A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards
- And More!
Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.
