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ADC081S021CIMF
Single Channel, 50 to 200 ksps, 8-Bit A/D Converter 6-SOT-23 -40 to 85
T/H
8-BIT
SUCCESSIVE
APPROXIMATION
ADC
SCLK
SDATA
CONTROL
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ADC081S021SNAS308G –APRIL 2005–REVISED MAY 2016
ADC081S021 Single-Channel, 50-ksps to 200-ksps, 8-Bit A/D Converter Features Characterized and Specified Over Multiple
Sample Rates 6-Pin WSON and SOT-23 Packages Variable Power Management Single Power Supply With 2.7-Vto 5.25-V Range Compatible With SPI™, QSPI™, MICROWIRE™,
and DSP DNL: +0.04/–0.03 LSB (Typical) INL: +0.04/–0.03 LSB (Typical) SNR: 49.6 dB (Typical) Power Consumption: 3.6-V Supply: 1.3 mW (Typical) 5.25-V Supply: 7.7 mW (Typical)
Applications Portable Systems Remote Data Acquisition Instrumentation and Control Systems
DescriptionThe ADC081S021 deviceisa low-power, single-
channel CMOS 8-bit analog-to-digital converter witha
high-speed serial interface. Unlike the conventional
practiceof specifying performanceata single sample
rate only, the ADC081S021is fully specified overa
sample rate rangeof 50 ksps to 200 ksps. The
converteris based upona successive-approximation
register architecture with an internal track-and-hold
circuit.
The output serial data is straight binary, andis
compatible with several standards, such as SPI,
QSPI, MICROWIRE, and many common DSP serial
interfaces.
The ADC081S021 operates witha single supply that
can range from 2.7V to 5.25 V. Normal power
consumption usinga 3.6-V or 5.25-V supply is
1.3 mW and 7.7 mW, respectively. The power-down
feature reduces the power consumptionto as low as
2.6 µW usinga 5.25-V supply.
The ADC081S021is packagedin 6-pin WSON and
SOT-23 packages. Operation over the industrial
temperature rangeof −40°Cto 85°Cis ensured.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Block Diagram
