LTC2348CLX-16#PBF

LTC2348CLX-16#PBF is a 16bit, low noise 8-channel simultaneous sampling successive approximation register (SAR) ADC with differential, wide common mode range inputs. Operating from a 5V low voltage supply, flexible high voltage supplies, and using the internal reference and buffer, each channel of this SoftSpan™ ADC can be independently configured on a conversion-by-conversion basis to accept ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V signals. Individual channels may also be disabled to increase throughput on the remaining channels. The wide input common mode range and 118dB CMRR of the LTC2348-16 analogue inputs allow the ADC to directly digitize a variety of signals, simplifying signal chain design. Applications include programmable logic controllers, industrial process control, power line monitoring, test and measurement.

• Eight simultaneous sampling channels, guaranteed 16bit, no missing codes
• Internal conversion clock, no cycle latency, SPI CMOS (1.8V to 5V) and LVDS serial I/O
• Integrated reference and buffer (4.096V), 200ksps maximum sampling frequency
• Signal-to-noise ratio is 94.4dB typ at (SoftSpans 7 and 6: ±10.24V and ±10V Ranges, fIN = 2KHz)
• Total harmonic distortion is -109dB typ at (SoftSpans 7 and 6: ±10.24V and ±10V ranges, fIN = 2KHz)
• Input common mode rejection ratio is 118dB typ at (VIN+ = VIN- = 18VP-P 200Hz sine)
• Integral linearity error is ±0.3LSB typ at (TA = 25°C)
• 7MHz typical -3dB input bandwidth at (TA = 25°C, AIN = -1dBFS)
• Zero-scale error is ±160μV typical at (TA = 25°C)
• Operating temperature range from 0°C to 70°C, 48-lead plastic LQFP package

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