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電子發燒友網>電子資料下載>IC datasheet pdf>MAX9949/MAX9950 pdf datasheet

MAX9949/MAX9950 pdf datasheet

2008-11-19 | rar | 333 | 次下載 | 3積分

資料介紹

The MAX9949/MAX9950 dual parametric measurement
units (PMUs) feature a small package size, wide force
and measurement range, and high accuracy, making the
devices ideal for automatic test equipment (ATE) and
other instrumentation that requires a PMU per pin or per
site.
The MAX9949/MAX9950 force or measure voltages in
the -2V to +7V through -7V to +13V ranges, dependent
upon the supply voltage (VCC and VEE). The devices
handle supply voltages of up to +30V (VCC to VEE) and
a 20V device under test (DUT) voltage swing at full current.
The MAX9949/MAX9950 also force or measure
currents up to ±25mA with a lowest full-scale range of
±2μA. Integrated support circuitry facilitates use of an
external buffer amplifier for current ranges greater than
±25mA.
A voltage proportional to the measured output voltage
or current is provided at the MSR_ output. Integrated
comparators, with externally set voltage thresholds, provide
detection for both voltage and current levels. The
MSR_ and comparator outputs can be placed in a high-
Z state. Integrated voltage clamps limit the force output
to levels set externally. The force-current or the measure-
current voltage can be offset -0.2V to +4.4V (IOS).
This feature allows for the centering of the control or
measured signal within the external DAC or ADC range.
The MAX9949D/MAX9950D feature an integrated 10kΩ
force-sense resistor between FORCE_ and SENSE_.
The MAX9949F/MAX9950F have no internal force-sense
resistor. These devices are available in a 64-pin 10mm x
10mm, 0.5mm pitch TQFP package with an exposed
8mm x 8mm die pad on the top (MAX9949) or the bottom
(MAX9950) of the package for efficient heat removal. The
exposed paddle is internally connected to VEE. The
MAX9949/MAX9950 are specified over the commercial
(0°C to +70°C) temperature range.
Applications
Memory Testers
VLSI Testers
System-on-a-Chip Testers
Structural Testers
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