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Description:

SL121S101 is a 12-bit ADC (Analog-to-Digital Converter) chip with the basic characteristics of high resolution, high speed, low power consumption, small size and unipolarity. The converter is based on a successive approximation register architecture with an internal sample-and- hold circuit. The converter is divided into two versions:

The SL121S101 version uses a single power supply of 4 V to 5.25 V, and its performance parameters cover 500KSPS to 800KSPS; The SL121S101E version uses a single power supply of 3.3 V to 4.8 V, and its performance parameters cover 800KSPS to 1000KSPS. Both versions are currently packaged in a 6-pin SOT-23 package with an operating temperature range of -40℃ to 85℃. SL121S101 can pin-to-pin replace ADC121S101, the dynamic power consumption at high voltage is less than 1/2, which significantly extends the battery operating time.

Features

● SL121S101 sampling rate：500 – 800 KSPS

   SL121S101E sampling rate：800 – 1000 KSPS

● SL121S101 voltage range：4 V to 5.25 V

   SL121S101E voltage range：3.3V to4.8 V

● 12-bit resolution

● Low power（SL121S101 typical value） 6.05mW

（5V ，800 KSPS）3.60mW（4V ，800 KSPS）

● Maximum deviation ±1.25LSB INL，±1LSB DNL

● 0—VA unipolar single channel input

● SPI, QSPI™, MICROWIRE™, DSP s erial Interface

● 6 pinSOT-23 package

Applications:

● Portable systems

● Remote data collection

● Instrumentation and control systems

● Optical sensors

● Battery powered system