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MAX19994AETX+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX19994AETX+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 28 page _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch 19-5197; Rev 0; 4/10 Ordering Information General Description The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications. With an optimized LO frequency range of 1450MHz to 2050MHz, this mixer supports both high- and low-side LO injection architectures for the 1200MHz to 1700MHz and 1700MHz to 2000MHz RF bands, respectively. In addition to offering excellent linearity and noise perfor- mance, the device also yields a high level of component integration. This device includes two double-balanced passive mixer cores, two LO buffers, a dual-input LO selectable switch, and a pair of differential IF output amplifiers. Integrated on-chip baluns allow for single- ended RF and LO inputs. The MAX19994A requires a nominal LO drive of 0dBm and a typical supply current of 330mA at VCC = 5.0V, or 264mA at VCC = 3.3V. The MAX19994A is pin compatible with the MAX9985/ M A X 9 9 9 5 / M A X 1 9 9 8 5 A / M A X 1 9 9 9 3 / M A X 1 9 9 9 5 / MAX19995A series of 700MHz to 2500MHz mixers and pin similar with the MAX19997A/MAX19999 series of 1850MHz to 4000MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used across multiple frequency bands. The device is available in a 6mm x 6mm, 36-pin thin QFN package with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40NC to +85NC. Applications WCDMA/LTE Base Stations TD-SCDMA Base Stations GSM/EDGE Base Stations cdma2000M Base Stations Wireless Local Loop Fixed Broadband Wireless Access Private Mobile Radios Military Systems Features S 1200MHz to 2000MHz RF Frequency Range S 1450MHz to 2050MHz LO Frequency Range S 50MHz to 500MHz IF Frequency Range S 8.4dB Typical Conversion Gain S 9.8dB Typical Noise Figure S +25dBm Typical Input IP3 S +14dBm Typical Input 1dB Compression Point S 68dBc Typical 2LO - 2RF Spurious Rejection at PRF = -10dBm S Dual Channels Ideal for Diversity Receiver Applications S 47dB Typical Channel-to-Channel Isolation S Low -6dBm to +3dBm LO Drive S Integrated LO Buffer S Internal RF and LO Baluns for Single-Ended Inputs S Built-In SPDT LO Switch with 48dB LO-to-LO Isolation and 50ns Switching Time S Pin Compatible with the MAX9985/MAX9995/ MAX19985A/MAX19993/MAX19995/MAX19995A Series of 700MHz to 2200MHz Mixers S Pin Similar to the MAX19997A/MAX19999 Series of 1850MHz to 4000MHz Mixers S Single 5.0V or 3.3V Supply S External Current-Setting Resistors Provide Option for Operating Device in Reduced-Power/Reduced- Performance Mode cdma2000 is a registered trademark of Telecommunications Industry Association. +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. T = Tape and reel. PART TEMP RANGE PIN-PACKAGE MAX19994AETX+ -40NC to +85NC 36 Thin QFN-EP* MAX19994AETX+T -40NC to +85NC 36 Thin QFN-EP* |
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