ADC122S051
双通道、200 ksps 至 500 ksps 12 位 A/D 转换器
制造商:TI
产品信息
描述 The ADC122S051/ADC122S051Q 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 ADC122S051/ADC122S051Q is fully specified over a sample rate range of 200 ksps to 500 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 ADC122S051/ADC122S051Q operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3V or +5V supply is 3.0 mW and 10 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 ADC122S051/ADC122S051Q is packaged in an 8-lead VSSOP package. Operation over the industrial temperature range of −40°C to +85°C is specified.特性Specified Over a Range of Sample Rates. Two Input Channels Variable Power Management Single Power Supply with 2.7V - 5.25V Range Tested per AEC-Q100 and Qualified for Automotive Applications Meets AEC-Q100-011 C2 CDM Classification Key Specifications DNL: +0.7 / −0.4 LSB (typ) INL: ± 0.50 LSB (typ) SNR: 72.5 dB (typ) Power Consumption:3V Supply: 3.0 mW (typ)5V Supply: 10 mW (typ) All trademarks are the property of their respective owners.
电路图、引脚图和封装图
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