1 Features

Single-chip design to directly measure 512 low-level currents simultaneously
Adjustable full-scale charge range up to 600pC
Input current: 1µA (maximum)
Adjustable speed with integration times as low as 50µs (20 KSPS per channel)
Resolution: 24 bit
Low power dissipation: 1.2mW/channel
Integral non-linearity: ±0.025% of reading ±1ppm of full scale range (all channels active)
Low noise: 0.26 fCrms at 600pC FSR with 20pF sensor capacitance
No charge loss
On-chip temperature sensor
Serial LVDS output interface
Single 1.85V supply
In-package bypass capacitors and reference buffer to reduce PCB area and design complexity