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Part Number: ADC102S021
Description: TheADC122S101 is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed se...


Description: TheADC122S101 is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed se...
TheADC122S101 is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface.
Unlike the conventional practice of specifying performance at a single sample rate only, theADC122S101 is fully speci-fied over a sample rate range of 500 kSPS to 1 MSPS. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept one or two input signals at inputs IN1 and IN2.
The output serial data is straight binary, and is compatible with several standards, such as SPI(TM), QSPI(TM), MICROW-IRE, and many common DSP serial interfaces.
The ADC122S101 operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3V or +5V supply is 4.3 mW and 13.1 mW, respec-tively.The power-down feature reduces the power consump-tion to just 0.14 W using a +3V supply, or 0.32 W using a +5V supply.
TheADC122S101 is packaged in an 8-lead MSOPpackage.
Operation over the industrial temperature range of -40 to +85 is guaranteed.
If Military/Aerospace specified devices are required, pleasecontacttheNationalSemiconductorSalesOffice/Distributors for availability and specifications.
Analog Supply Voltage VA ..........................-0.3V to 6.5V
Voltage on Any Pin to GND .................-0.3V to VA +0.3V
Input Current at Any Pin (Note 3) ......................±10 mA
Package Input Current (Note 3) .........................±20 mA
Power Consumption at TA = 25 ...............See (Note 4)
ESD Susceptibility ..............................................(Note 5)
Human Body Model ...............................................2500V
Machine Model ........................................................250V
Junction Temperature ..........................................+150
Storage Temperature .............................-65 to +150
· Specified over a range of sample rates.
· Two input channels
· Variable power management
· Single power supply with 2.7V - 5.25V range
· Portable Systems
· Remote Data Acquisition
· Instrumentation and Control Systems
ADC102S021
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