Analog Devices ADG5462F user-defined fault protection & detection
quad channel protectors are designed to withstand overvoltage
inputs from −55V and +55V Placing the ADG5462F
channel protector in series with the signal path, protects sensitive
components from overvoltage faults in that path. Because the ADG5462F works whether power supplies are present or not,
it is ideal for use in applications where correct power supply
sequencing cannot always be guaranteed. The primary supply voltages
define the on-resistance profile, while the secondary supply voltages
define the voltage level at which the overvoltage protection engages.
low on resistance of 10Ω of the ADG5462F channel protectors, combined
with on-resistance flatness of 0.5Ω over a significant portion of the signal
range make the ADG5462F ideal for data acquisition and gain switching
applications where excellent linearity and low distortion are critical.