Power converter AS5850B

digitaltemperatureADC

Line times down to 20 µs, or 15 µs in ADC low-OSR mode Binning mode (half the number of effective channels) for faster readout speed down to 10 µs Selectable parameters: input charge range, holes or electrons polarity, detector timing, low-pass filter time constant and line time Up to three different internal charge pump cycles for offset adjusting, signal emulation and switch charge injection compensation Four power modes in addition to sleep and full power-down modes Correlated Double Sampling for offset subtraction with programmable time constant Benefits Flexible programming options to optimize for application needs Suitable to a wide range of detector sizes, supporting line capacitances up to 200 pF Best-in-class figure of merit for noise, power consumption and speed High-speed for dynamic applications Ultra-low power for portable applications Low-noise for great image quality Accurate temperature feedback Chip-on-flex packaging suitable to ACF bonding on the detector side and to a low-cost standard connector on the PCB side General description The AS5850B is a 16-bit, 256-channel low-noise charge-to-digital converter designed for use in digital X-ray systems. The high degree of programmability enables system performance optimization in a wide range of applications. The combination of fast speed, low noise and low power consumption maximizes the image quality and minimizes patient dose, exposure whilst improving the time to market.