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The SIM980 Summing Amplifier has four input channels that can be
added or subtracted from each other. The output noise is less than
60 nV/√Hz, and crosstalk between
channels is less than -80 dB. With a bandwidth of 1 MHz, a slew
rate of 40 V/ms, and input offsets that are trimmed to ±100
µV, the SIM980 is extremely useful in many analog applications.
The digital control circuitry in the SIM980 is designed with SRS’s
special clock-stopping architecture in which the microcontroller
is turned on only when switch settings are being changed. This guarantees
that no digital noise contaminates low-level analog signals.
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