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Part Number: ADC122S101
Description: The ADC122S101 is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. ...
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ADC122S101
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General Description
ADC122S101 General Description
The ADC122S101 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, the ADC122S101 is fully specified 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™, QSPI™, 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, respectively. The power-down feature reduces the power consumption to just 0.14 µW using a +3V supply, or 0.32 µW using a
+5V supply. The ADC122S101 is packaged in an 8-lead MSOP package. Operation over the industrial temperature range of −40˚C to +85˚C is guaranteed.
ADC122S101 Maximum Ratings
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˚C See (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 2500V
Machine Model 250V
Junction Temperature +150˚C
Storage Temperature −65˚C to +150˚C
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˚C See (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 2500V
Machine Model 250V
Junction Temperature +150˚C
Storage Temperature −65˚C to +150˚C
ADC122S101 Features
Specified over a range of sample rates.
Two input channels
Variable power management
Single power supply with 2.7V - 5.25V range
Two input channels
Variable power management
Single power supply with 2.7V - 5.25V range
ADC122S101 Typical Application
Portable Systems
Remote Data Acquisition
Instrumentation and Control Systems
Remote Data Acquisition
Instrumentation and Control Systems
ADC122S101 Connection Diagram
ADC122S101
PDF/DataSheet Download
- Datasheet: ADC122S101
- File Size: 964000 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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