Maxim Integrated MAX19995AETX Dual, Downconversion Mixer

The MAX19995AETX from Maxim Integrated is a high-performance, dual, downconversion mixer designed to cater to the demanding requirements of wireless infrastructure applications. This advanced component is part of Maxim's extensive portfolio of RF solutions, offering a superior combination of integration and performance that facilitates the design of complex communication systems.

With a wide frequency range, the MAX19995AETX operates effectively within the 1700MHz to 2200MHz band, making it an ideal choice for multiple wireless standards, including GSM, CDMA, WCDMA, and LTE. Its dual-channel configuration enables simultaneous processing of I (In-phase) and Q (Quadrature-phase) signals, which is critical for modern communication systems that require high linearity and low noise performance.

The device integrates two mixers, LO (Local Oscillator) switches, and IF (Intermediate Frequency) amplifiers, all within a compact, 36-pin TQFN-EP (Thin Quad Flat No-Lead with Exposed Pad) package, measuring just 6mm x 6mm. This level of integration not only saves board space but also simplifies the design process by reducing the number of external components required.

Key features of the MAX19995AETX include a high third-order intercept point (IP3) of 24.5dBm, which ensures excellent linearity, and a noise figure of 9.7dB that contributes to the receiver's overall sensitivity and dynamic range. Additionally, the device boasts an LO leakage performance of -25dBm, minimizing the potential for self-interference and preserving signal integrity.

The mixer's flexible LO input frequency range supports both high-side and low-side LO injection, which provides designers with the versatility to create optimized receiver architectures. Furthermore, the MAX19995AETX includes an integrated LO buffer, which reduces the need for external LO amplification, thereby simplifying the LO chain design.

Overall, the Maxim Integrated MAX19995AETX is a compelling choice for designers looking to achieve high performance in their RF downconversion applications while benefiting from the reduced complexity and enhanced integration offered by this sophisticated device.