* High Resolution * MAX1447/MAX1498: 4.5 Digits (±19,999 Count) * MAX1496: 3.5 Digits (±1999 Count) * Sigma-Delta ADC Architecture * No Integrating Capacitors Required * No Autozeroing Capacitors Required * >100dB of Simultaneous 50Hz and 60Hz Rejection * Selectable Input Range of ±200mV or ±2V * Selectable Voltage Reference: Internal 2.048V or External * Internal High-Accuracy Oscillator Needs No External Components * Automatic Offset Calibration * On-Demand Enhanced Offset Calibration (MAX1447) * Operate from a Single 2.7V to 5.25V Supply * Low Power (Exclude LED-Driver Current) * Maximum 744µA Operating Current (MAX1496) * Maximum 960µA Operating Current (MAX1447/MAX1498) * Maximum 325µA Shutdown Current * Multiplexed Common-Cathode LED Drivers * Resistor-Programmable Segment Current * Small 32-Pin, 7mm x 7mm TQFP Package (4.5 Digits), 28-Pin SSOP Package (3.5 Digits) * Also Available in a PDIP Package (3.5 Digits)
