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Partname:MAX1491CNI
Description:0.3-6V; 3.5- and 4.5-digit, single-chip ADC with LCD drivers. Digital panel meters, hand-held meters, digital voltmeters and multimeters
Manufacturer:Maxim Integrated Products
Package:PDIP
Pins:28
Oper. temp.:0 to 70
Datasheet:PDF (723K).
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The MAX1491/MAX1493/MAX1495 do not require external-precision integrating or auto-zero capacitors, crystal oscillators, charge pumps or other circuitry required with dual slope ADCs (commonly used in panel meter circuits). These devices also feature on-chip buffers for the differential signal and reference inputs, allowing direct interface with high-impedance signal sources. In addition, the MAX1491/MAX1493/MAX1495 use continuous internal offset calibration, and offer >100dB rejection of 50Hz and 60Hz line noise. The MAX1493/ MAX1495 perform enhanced offset calibration at power-up. The MAX1495 also performs enhanced calibration on demand. Other features include data hold and peak hold, and a user programmable low-battery monitor.

Click here to download MAX1491CNI Datasheet
Click here to download MAX1491CNI Datasheet
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