Input_signal_conditioner_for_low_voltage_ADC

Published:2009/7/24 22:08:00 Author:Jessie | From:SeekIC

Figure 6-40 shows a MAX495 connected as an input signal conditioner for a MAX187 ADC. The MAX495 can operate from either a single supply (+2.7 V to +6 V) or split supplies (±1.35 V to ±3 V). Each op amp requires less than 150 μA supply current, but it can drive a 1-kΩ load. The input-referred voltage noise is 25 nV√Hz, the offset is 200 μV, and the gain-bandwidth is 500 kHz (see Fig. 6-41 for additional pin configurations). MAXIM NEW RELEASES DATA BOOK, 1995, P. 3-23, 3-37.



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