AD4858BBCZ

AD4858BBCZ is a fully buffered, 8-channel simultaneous sampling, 20-bit, 1MSPS data acquisition system (DAS) with differential, wide common-mode range inputs. Operating from a 5V low voltage supply, flexible input buffer supplies, and using the precision low drift internal reference and reference buffer, this device allows the SoftSpan range of each channel to be independently configured to match the native application signal swing, minimizing additional external signal conditioning. To further maximize single-conversion dynamic range, this device incorporates seamless high dynamic range (SHDR) technology. When enabled, the input signal path gain of the channel is automatically optimized on a sample-by-sample basis, minimizing converter noise on each sample without impacting linearity. It is used in applications such as automatic test equipment, avionics and aerospace, instrumentation and control systems, semiconductor manufacturing, test and measurement.

• Differential nonlinearity is ±0.2LSB typical at (VEE = -40.75V to 0V, VCC = 7.25V to 48V)
• Transition noise is 461µVRMS typical at (VEE = -40.75V to 0V, VCC = 7.25V to 48V)
• Signal-to-noise ratio is 97.2dB typical at (SoftSpan 15: ±40V range)
• Integrated supply decoupling capacitors, minimal external signal conditioning
• Per sample, per channel automatic gain ranging, maintains ppm-level INL
• Total harmonic distortion is -117dB typical at (SoftSpan 15: ±40V range)
• 11MHz typical -3dB small-signal input bandwidth at (VEE = -40.75V to 0V, VCC = 7.25V to 48V)
• Aperture jitter is 1ps RMS typical at (VEE = -40.75V to 0V, VCC = 7.25V to 48V)
• SPI CMOS (0.9V to 5.25V) and LVDS serial input and output
• Operating temperature range from -40°C to +125°C, 64-ball BGA package

บันทึก

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