ADC102S021

ADC102S021 www.ti.com SNAS281G – FEBRUARY 2005 – REVISED MARCH 2013 ADC102S021 2 Channel, 50 ksps to 200 ksps, 10-Bit A/D Converter Check for Samples: ADC102S021 FEATURES 1 2 Specified Over a Range of Sample Rates. Two Input Channels Variable Power Management Single Power Supply with 2.7V - 5.25V Range APPLICATIONS Portable Systems Remote Data Acquisition Instrumentation and Control Systems KEY SPECIFICATIONS DNL: ± 0.13 LSB (typ) INL: ± 0.13 LSB (typ) SNR: 61.8 dB (typ) Power Consumption – 3V Supply: 1.94mW (typ) – 5V Supply: 6.9 mW (typ) DESCRIPTION The ADC102S021 is a low-power, two-channel CMOS 10-bit analog-to-digital converter with a highspeed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC102S021 is fully specified over a sample rate range of 50 ksps to 200 ksps. 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™, MICROWIRE, and many common DSP serial interfaces. The ADC102S021 operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3V or +5V supply is 1.94 mW and 6.9 mW, respectively. The power-down feature reduces the power consumption to just 0.12 µW using a +3V supply, or 0.47 µW using...