MAX1492, MAX1494 3.5- And 4.5-Digit, Single-Chip ADCs With LCD Drivers

The MAX1492 MAX1494 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 outputs its conversion results to an LCD and/or to a Microcontroller (C). C Communication is facilitated through an SPI-/QSPI-/MICROWIRE-compatible serial Interface The MAX1492 is a 3.5-digit (1999 count) device, and the MAX1494 is a 4.5-digit (19,999 count) device.
The MAX1492 MAX1494 do not require external-precision integrating capacitors, autozero 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, they use continuous internal-offset calibration and offer >100dB simultaneous rejection of 50Hz and 60Hz line noise. Other features include data hold and peak hold, overrange and underrange detection, and a lowbattery monitor.
The MAX1494 comes in a 32-pin, 7mm x 7mm TQFP package, and the MAX1492 comes in 28-pin SSOP and 28-pin PDIP packages. All devices in this family operate over the 0C to +70C commercial temperature range.
By Maxim Integrated Products
MAX1494 's PackagesMAX1494 's pdf datasheet

MAX1494 Pinout, Pinouts
MAX1494 pinout,Pin out
This is one package pinout of MAX1494,If you need more pinouts please download MAX1494's pdf datasheet.

MAX1494 Application circuits
MAX1494 circuits
This is one application circuit of MAX1494,If you need more circuits,please download MAX1494's pdf datasheet.

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