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ADC78H90

National Semiconductor
Part Number ADC78H90
Manufacturer National Semiconductor
Description 8-Channel/ 500 kSPS/ 12-Bit A/D Converter
Published Mar 24, 2005
Detailed Description ADC78H90 8-Channel, 500 kSPS, 12-Bit A/D Converter February 2004 ADC78H90 8-Channel, 500 kSPS, 12-Bit A/D Converter Ge...
Datasheet PDF File ADC78H90 PDF File

ADC78H90
ADC78H90

Overview
ADC78H90 8-Channel, 500 kSPS, 12-Bit A/D Converter February 2004 ADC78H90 8-Channel, 500 kSPS, 12-Bit A/D Converter General Description The ADC78H90 is a low-power, eight-channel CMOS 12-bit analog-to-digital converter with a conversion throughput of 500 kSPS.
The converter is based on a successiveapproximation register architecture with an internal trackand-hold circuit.
It can be configured to accept up to eight input signals at inputs AIN1 through AIN8.
The output serial data is straight binary, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE™, and many common DSP serial interfaces.
The ADC78H90 may be operated with independent analog and digital supplies.
The analog supply (AVDD) can range from +2.
7V to +5.
25V, and the digital supply (DVDD) can range from +2.
7V to AVDD.
Normal power consumption using a +3V or +5V supply is 1.
5 mW and 8.
3 mW, respectively.
The power-down feature reduces the power consumption to just 0.
3 µW using a +3V supply, or 0.
5 µW usi...


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