MAX1491
MAX1491 is 3.5- and 4.5-Digit / Single-Chip ADCs manufactured by Maxim Integrated.
19-3053; Rev 2; 5/04 EVAALVUAAILTAIOBNLEKIT
3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1491/MAX1493/MAX1495
General Description
The MAX1491/MAX1493/MAX1495 low-power, 3.5- and 4.5-digit, analog-to-digital converters (ADCs) with integrated liquid crystal display (LCD) drivers operate from a single 2.7V to 5.25V power supply. They include an internal reference, a high-accuracy on-chip oscillator, and a triplexed LCD driver. An internal charge pump generates the negative supply needed to power the integrated input buffer for single supply operation. The ADC is configurable for either a ±2V or ±200mV input range and it outputs its conversion results to an LCD. The MAX1491 is a...
