The ADC121S101 is a low-power, single-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 ADC121S101 is fully specified over a sample rate range of 500 ksps to 1 Msps. The converter is based upon a successive-approximation register architecture with an internal track-and-hold circuit.
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 ADC121S101 operates with a single supply with a range from 2.7 V to 5.25 V. Normal power consumption using a 3 V or 5 V supply is 2 mW and 10 mW, respectively. The power-down feature reduces the power consumption to as low as 2.6 µW using a 5-V supply.
The ADC121S101 is packaged in 6-pin WSON and SOT-23 packages. Operation over the temperature range of 40°C to 125°C is specified.
|Part number||Order||Resolution (Bits)||Sample rate (Max) (kSPS)||Number of input channels||Interface||Operating temperature range (C)||Package Group||Approx. price (US$)||Power consumption (Typ) (mW)||Package size: mm2:W x L (PKG)||Architecture||Input type||Multi-channel configuration||Reference mode||Features||Input range (Max) (V)||Input range (Min) (V)||Analog voltage AVDD (Min) (V)||Analog voltage AVDD (Max) (V)||Digital supply (Min) (V)||Digital supply (Max) (V)||INL (Max) (+/-LSB)||SNR (dB)||THD (Typ) (dB)||Rating|
Microwire (Serial I/O)
|-40 to 125||SOT-23 | 6||2.27 | 1ku||2||6SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 6)||SAR||Single-Ended||Supply||Small Size||5.25||0||2.7||5.25||2.7||5.25||1||72.5||-80||Automotive|