LTC2353CLX-16#PBF

LTC2353CLX-16#PBF is a 16bit, low noise 2-channel simultaneous sampling successive approximation register (SAR) ADC. The integrated picoamp-input analogue buffers, wide input common mode range and 124dB CMRR of the device allow the ADC to directly digitize a variety of signals using minimal board space and power. This input signal flexibility, combined with ±1LSB INL, no missing codes at 16 bits, and 94.2dB SNR, makes the device an ideal choice for many high-voltage applications requiring wide dynamic range. It supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces. Either one or two lanes of data output may be employed in CMOS mode, allowing the user to optimize bus width and throughput. Applications include programmable logic controllers, industrial process control, power line monitoring, test and measurement.

• Simultaneous sampling of 2 buffered channels, 550ksps per channel throughput
• Rail-to-rail input overdrive tolerance, internal conversion clock, no cycle latency
• Signal-to-noise ratio is 94.2dB typ at (softspans 7 and 6: ±10.24V and ±10V ranges, IN = 2KHz)
• Total harmonic distortion is -110dB typ at (softspans 7 and 6: ±10.24V and ±10V ranges, fIN = 2KHz)
• Input common mode rejection ratio is 124dB typical at (VIN+ = VIN− = 18VP-P 200Hz sine)
• Integrated reference and buffer (4.096V), SPI CMOS (1.8V to 5V) and LVDS serial I/O
• Transition noise is 0.35LSBRMS typ at (softspans 7 and 6: ±10.24V and ±10V ranges)
• Zero-scale error drift is ±4μV/°C typical at (TA = 25°C)
• Operating temperature range from 0°C to 70°C, 48-lead plastic LQFP package

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