MAX1497

3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers and µC Interface

3.5- and 4.5-Digit ADC, LED Display Drivers Reduce Time and Save Board Space

Part Details

  • High Resolution
    • MAX1499: 4.5 Digits (±19,999 Count)
    • MAX1497: 3.5 Digits (±1999 Count)
  • Sigma-Delta ADC Architecture
    • No Integrating Capacitors Required
    • No Autozeroing Capacitors Required
    • >100dB of Simultaneous 50Hz and 60Hz Rejection
  • Operate from a Single 2.7V or 5.25V Supply
  • 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
  • Low Power (Exclude LED Driver Current)
    • Maximum 664µA Operating Current
    • Maximum 268µA Shutdown 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)
  • Multiplexed LED Drivers Resistor-Programmable Segment Current
  • SPI-/QSPI-/MICROWIRE-Compatible Serial Interface
  • Extended Temperature Range (-40°C to +85°C)
MAX1497
3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers and µC Interface
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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters 3
MAX1491 PRODUCTION 3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1447 3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers
MAX1499 PRODUCTION 3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers and µC Interface
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