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MAX1005 - IF Undersampler

General Description

The MAX1005 is a combined digitizer and reconstruction integrated circuit designed to work in systems that demodulate and modulate communications signals.

It integrates IF undersampling and signal synthesis functions into a single, low-power circuit.

Key Features

  • o Differential-Input, 5-Bit ADC o Differential-Output, 7-Bit DAC o 15Msps Min Conversion Rate o 25MHz -1dB Full-Power Bandwidth o 44dB SFDR for ADC 39dB at 10.7MHz SFDR (Imaged) for DAC o Internal Voltage Reference o Parallel Logic Interface o Single-Supply Operation (+2.7V to +5.5V) o 0.1µA Low-Power Shutdown Mode MAX1005 ______________Ordering Information PART MAX1005CEE MAX1005EEE TEMP. RANGE 0°C to +70°C -40°C to +85°C PIN-.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1291; Rev 0; 9/97 IF Undersampler _______________General Description The MAX1005 is a combined digitizer and reconstruction integrated circuit designed to work in systems that demodulate and modulate communications signals. It integrates IF undersampling and signal synthesis functions into a single, low-power circuit. Its analog-todigital converter (ADC) is used to directly sample or undersample a downconverted RF signal, while its digital-to-analog converter (DAC) recreates the IF subcarrier and transmission data. The MAX1005’s ADC is ideal for undersampling applications, due to the analog input amplifier’s wide (15MHz) bandwidth. The DAC has very low glitch energy, which minimizes the transmission of unwanted spurious signals.