(China (Mainland))
Product Summary
The MAX2451CSE-T is a quadrature demodulator with a supporting oscillator and divide-by-8 prescaler. It operates from a single +3V supply and draws only 5.5mA. The MAX2451CSE-T accepts an amplified and filtered IF signal in the 35MHz to 80MHz range, and demodulates it into I and Q baseband signals with 51dB of voltage conversion gain. The IF input is terminated with a 400Ω thin-film resistor for matching to an external IF filter. The baseband outputs are fully differential and have 1.2Vp-p signal swings. The applications of the MAX2451CSE-T are Digital Cordless Phones, GSM and North American Cellular Phones, Wireless LANs, Digital Communications and Pagers.
Parametrics
MAX2451CSE-T absolute maximum ratings: (1)VCC, LO_VCC to GND: -0.3V to +4.5V; (2)ENABLE, TANK, TANK, I, I, Q, Q to GND: -0.3V to (VCC + 0.3V); (3)IF to GND: -0.3V to +1.5V; (4)Continuous Power Dissipation: 696mW; (5)Operating Temperature Range: 0 to +70℃; (6)Storage Temperature Range: -65 to +165℃; (7)Lead Temperature (soldering, 10sec): +300℃.
Features
MAX2451CSE-T features: (1)Integrated Quadrature Phase Shifters; (2)On-Chip Oscillator (Requires External Tuning Circuit); (3)51dB Voltage Conversion Gain ; (4)On-Chip Divide-by-8 Prescaler; (5)Baseband Output Bandwidth Up to 9MHz; (6)CMOS-Compatible Enable; (7)5.5mA Operating Supply Current 2μA Shutdown Supply Current.
Diagrams
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