LT5522 - 600MHz to 2.7GHz High Signal Level Downconverting Mixer
Features
- Internal On-Chip RF Input Transformer
- 50 Ohm Single-Ended RF and LO Ports
- High Input IP3: +25dBm at 900MHz
+21.5dBm at 1900MHz - Low Power Consumption: 280mW Typical
- Integrated LO Buffer: Low LO Drive Level
- High LO-RF and LO-IF Isolation
- Wide RF Frequency Range: 0.6GHz to 2.7GHz*
- Very Few External Components
- Enable Function
- 4.5V to 5.25V Supply Voltage Range
- 16-Lead (4mm x 4mm) QFN Package
Typical Application
Description
The LT5522 active downconverting mixer is optimized for high linearity downconverter applications including cable and wireless infrastructure. The IC includes a high speed differential LO buffer amplifier driving a double-balanced mixer. The LO buffer is internally matched for wideband, single-ended operation with no external components.
The RF input port incorporates an integrated RF transformer and is internally matched over the 1.2GHz to 2.3GHz frequency range with no external components. The RF input match can be shifted down to 600MHz, or up to 2.7GHz, with a single shunt capacitor or inductor, respectively. The high level of integration minimizes the total solution cost, board space and system-level variation.
The LT5522 delivers high performance and small size without excessive power consumption.
*Operation over a wider frequency range is possible with reduced performance. Consult factory for information and assistance.
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 |
|---|---|---|---|---|---|
| LT5522EUF#PBF | 4x4 QFN-16 | UF | E | 05-08-1692 | Yes |
| LT5522EUF#TRPBF | 4x4 QFN-16 | UF | E | 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 | |
|---|---|---|---|---|---|---|
| LT5522EUF#PBF | 4x4 QFN-16 | E | $7.43 | $5.20 | Yes | |
| LT5522EUF#TRPBF | 4x4 QFN-16 | E | $5.30 | 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 |
|---|---|---|---|
| DC651A | LT5522EUF | High Signal Level Down-Converting Mixer, (Wide IF Output, CATV Applications) | $125.00 | |
| DC689A | LT5522EUF | High Signal Level Down-Converting Mixer, 140MHz IF Output | $125.00 | |
| Buy Now | |||
Applications
- Cellular, PCS and UMTS Band Infrastructure
- CATV Downlink Infrastructure
- 2.4GHz ISM
- High Linearity Downmixer Applications
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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.
