HI-7159A

HI-7159A Manufacturer

HI-7159A Description

HI-7159A Description

HI-7159A Datasheet (PDF)

HI-7159A Price & Availability

HI-7159A Features

• ±200,000 Count A/D Converter
• 2V Full Scale Reading With 10?V Resolution
• 15 Conversions Per Second in 51/2 Digit Mode
• 60 Conversions Per Second in 41/2 Digit Mode
• Serial or Parallel Interface Modes
• Four Selectable Baud Rates
• Differential Analog Input
• Differential Reference Input
• Digital Autozero

HI-7159A Features

• ±200,000 Count A/D Converter
• 2V Full Scale Reading With 10µV Resolution
• 15 Conversions Per Second in 51/2 Digit Mode
• 60 Conversions Per Second in 41/2 Digit Mode
• Serial or Parallel Interface Modes
• Four Selectable Baud Rates
• Differential Analog Input
• Differential Reference Input
• Digital Autozero

HI-7159A Description

The Intersil HI-7159A is a monolithic A/D converter that uses a unique dual slope technique which allows it to resolve input changes as small as 1 part in 200,000 (10µV) without the use of critical external components. Its digital autozeroing feature virtually eliminates zero drift over temperature. The device is fabricated in Intersil' proprietary low noise BiMOS process, resulting in exceptional linearity and noise performance. The HI-7159A's resolution can be switched between a high resolution 200,000 count (51/2 digit) mode, and a high speed 20,000 count (41/2 digit) mode without any hardware modifications. In the 41/2 digit uncompensated mode, speeds of 60 conversions per second can be achieved. The HI-7159A is designed to be easily interfaced with most microprocessors through either of its three serial and one parallel interface modes. In the serial modes, any one of four common baud rates is available.

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