Part # MAX2112 datasheet

Part Manufacturer: Maxim

Maxim

Part Description: MAX2112 DS


Part Details:

19-0869; Rev 1; 12/07 EVALUATION KIT AVAILABLE Complete, Direct-Conversion Tuner for DVB-S2 Applications MAX2112 General Description Features The MAX2112 low-cost, direct-conversion tuner IC is 925MHz to 2175MHz Frequency Range designed for satellite set-top and VSAT applications. Monolithic VCO The IC is intended for 8PSK and Digital Video Low Phase Noise: -97dBc/Hz at 10kHz Broadcast (DVB-S2) applications. No Calibration Required The MAX2112 directly converts the satellite signals High Dynamic Range: -75dBm to 0dBm from the LNB to baseband using a broadband I/Q Integrated Variable BW LP Filters: 4MHz to 40MHz downconverter. The operating frequency range extends Single +3.3V ±5% Supply from 925MHz to 2175MHz. Low-Power Standby Mode The device includes an LNA and an RF variable-gainamplifier, I and Q downconverting mixers, and baseband Address Pin for Multituner Applications lowpass filters with programmable cutoff frequency control Differential I/Q Interface and digitally controlled baseband variable-gain amplifiers. I2C 2-Wire Serial Interface Together, the RF and baseband variable-gain amplifiers Very Small 28-Pin TQFN Package provide more than 80dB of gain control range. The IC iscompatible with virtually all DVB-S2 demodulators. The MAX2112 includes fully monolithic VCOs, as well asa complete fractional-N frequency synthesizer. Ordering Information Additionally, an on-chip crystal oscillator is providedalong with a buffered output for driving additional tuners PKG PART TEMP RANGE PIN-PACKAGE and demodulators. Synthesizer programming and device CODE configuration are accomplished with a 2-wire serial inter- MAX2112CTI+ 0°C to +70°C 28 Thin QFN-EP* T2855+3 face. The IC features a VCO autoselect (VAS) function MAX2112ETI+ -40°C to +85°C 28 Thin QFN-EP* T2855+3 that automatically selects the proper VCO. For multitunerapplications, the device can be configured to have one *EP = Exposed paddle. of two 2-wire interface addresses. A low-power standby +Denotes a lead-free package.


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MAX2112.pdf Datasheet