LTC2335ILX-18#PBF

LTC2335ILX-18#PBF is an 18bit, low noise 8-channel multiplexed 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, this SoftSpan™ ADC can be configured on a conversion-by-conversion basis to accept ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V signals on any channel. Alternately, the ADC may be programmed to cycle through a sequence of channels and ranges without further user intervention. The wide input common mode range and 118dB CMRR of the device 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.

• Rail-to-rail input overdrive tolerance, programmable sequencer with no-latency control
• SPI CMOS (1.8V to 5V) and LVDS serial I/O, no pipeline delay, no cycle latency
• Integral linearity error is ±1LSB typ at (softspans 7 and 6: ±10.24V and ±10V range)
• Differential linearity error is ±0.2LSB typical at (TA = 25°C)
• Zero-scale error is ±80μV typical at (TA = 25°C)
• Signal-to-(noise + distortion) ratio is 96.5dB typ at (softspans 7 and 6: ±10.24V and ±10V range)
• Total harmonic distortion is -109dB typ at (Softspans 7 and 6: ±10.24V and ±10V ranges)
• 7MHz typical –3dB input bandwidth at (TA = 25°C, AIN = –1dBFS)
• Aperture jitter is 3psRMS typical at (TA = 25°C, AIN = –1dBFS)
• Operating temperature range from -40°C to +85°C, 48-lead plastic LQFP package

注释

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