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MAX1498 Datasheet Single-Chip ADCs

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-3166; Rev 0; 1/04 3.5- and 4.5-Digit, Single-Chip ADCs with LED.

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General Description

The MAX1447/MAX1496/MAX1498 low-power, 3.5- and 4.5-digit, analog-to-digital converters (ADCs) with integrated light-emitting diode (LED) 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 multiplexed LED display driver.

An internal charge pump generates the negative supply needed to power the integrated input buffers for single-supply operation.

Key Features

  • include data hold and peak detection and overrange/underrange detection. The MAX1447 features on-demand enhanced offset calibration for improved offset performance. The MAX1447/MAX1498 are available in a 32-pin, 7mm ✕ 7mm TQFP package and the MAX1496 is available in 28-pin SSOP and 28-pin PDIP packages. All devices in this family operate over the -40°C to +85°C extended temperature range. Features.
  • High Resolution MAX1447/MAX1498: 4.5 Digits (±19,999 Count) MAX1496: 3.5 Digits (±1999 C.

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