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MAX19985/MAX19985A pdf datashe
消耗积分:3 |
格式:rar |
大小:1666 |
2008-08-14
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The MAX19985A high-linearity, dual-channel, downconversion mixer is designed to provide approximately 8.7dB gain, +25.5dBm of IIP3, and 9.0dB of noise figure for 700MHz to 1000MHz diversity receiver applications. With an optimized LO frequency range of 900MHz to 1300MHz, this mixer is ideal for high-side LO injection architectures in the cellular and new 700MHz bands. Low-side LO injection is supported by the MAX19985, which is pin-pin and functionally compatible with the MAX19985A.
In addition to offering excellent linearity and noise performance, the MAX19985A 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. On-chip baluns are also integrated to allow for single-ended RF and LO inputs.
The MAX19985A requires a nominal LO drive of 0dBm and a typical supply current of 330mA at VCC = 5.0V or 280mA at VCC = 3.3V.
The MAX19985/MAX19985A are pin compatible with the MAX19995/MAX19995A series of 1700MHz to 2200MHz mixers and pin similar with the MAX19997A/MAX19999 series of 1850MHz to 3800MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used across multiple frequency bands.
The MAX19985A is available in a 6mm × 6mm 36-pin thin QFN package with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
In addition to offering excellent linearity and noise performance, the MAX19985A 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. On-chip baluns are also integrated to allow for single-ended RF and LO inputs.
The MAX19985A requires a nominal LO drive of 0dBm and a typical supply current of 330mA at VCC = 5.0V or 280mA at VCC = 3.3V.
The MAX19985/MAX19985A are pin compatible with the MAX19995/MAX19995A series of 1700MHz to 2200MHz mixers and pin similar with the MAX19997A/MAX19999 series of 1850MHz to 3800MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used across multiple frequency bands.
The MAX19985A is available in a 6mm × 6mm 36-pin thin QFN package with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
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