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The MAX9971/MAX9972 four-channel, ultra-low-power,
pin-electronics ICs include, for each channel, a three-level
pin driver, a window comparator, a passive load,
and force-and-sense Kelvin-switched parametric measurement
unit (PMU) connections. The driver features a
-2.2V to +5.2V voltage range, includes high-impedance
and active-termination (3rd-level drive) modes, and is
highly linear even at low voltage swings. The window
comparator features 500MHz equivalent input bandwidth
and programmable output voltage levels. The
passive load provides pullup and pulldown voltages to
the device-under-test (DUT).
Two grade versions are available, A grade and B grade.
The A-grade version provides tight gain and offset matching
for the driver and comparator, allowing reference levels
to be shared across multiple channels. It also
provides tighter tolerance of the load resistance values.
The B-grade version is for system designs that incorporate
independent reference levels for each channel.
Low-leakage, high-impedance, and terminate controls
are operational configurations that are programmed
through a 3-wire, low-voltage, CMOS-compatible serial
interface. High-speed PMU switching is realized through
dedicated digital control inputs.
These devices are available in an 80-pin, 12mm x 12mm
body, 1.0mm pitch TQFP with an exposed 6mm x 6mm
die pad on the bottom of the package (MAX9972), and
the top of the package (MAX9971), for efficient heat
removal. The MAX9971/MAX9972 are specified to operate
over the 0°C to +70°C commercial temperature
range, and feature a die temperature monitor output.
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