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MAX9950DCCB+T

更新时间： 2024-11-13 13:11:11
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19-3014; Rev 2; 3/09  
Dual Per-Pin Parametric Measurement Units  
4/MAX950  
General Description  
Features  
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.  
o Force Voltage/Measure Current (FVMI)  
o Force Current/Measure Voltage (FIMV)  
o Force Voltage/Measure Voltage (FVMV)  
o Force Current/Measure Current (FIMI)  
o Force Nothing/Measure Voltage (FNMV)  
The MAX9949/MAX9950 force or measure voltages in  
the -2V to +7V through -7V to +13V ranges, dependent  
o Five Programmable Current Ranges  
upon the supply voltage (V  
and V ). The devices  
EE  
CC  
±±2µ  
handle supply voltages of up to +30V (V  
to V ) and  
EE  
CC  
±±ꢀ2µ  
±±ꢀꢀ2µ  
±±mµ  
a 20V device under test (DUT) voltage swing at full cur-  
rent. The MAX9949/MAX9950 also force or measure  
currents up to 25mA with a lowest full-scale range of  
2ꢀA. ꢁntegrated support circuitry facilitates use of an  
external buffer amplifier for current ranges greater than  
25mA.  
±±ꢁmµ  
o -±V to +7V Through -7V to +13V Input Voltage  
Range and Higher (Up to ±ꢀV Voltage Swing at  
Full Current)  
A voltage proportional to the measured output voltage  
or current is provided at the MSR_ output. ꢁntegrated  
comparators, with externally set voltage thresholds, pro-  
vide detection for both voltage and current levels. The  
MSR_ and comparator outputs can be placed in a high-  
Z state. ꢁntegrated voltage clamps limit the force output  
to levels set externally. The force-current or the mea-  
sure-current voltage can be offset -0.2V to +4.4V (ꢁOS).  
This feature allows for the centering of the control or  
measured signal within the external DAC or ADC range.  
o Force-Current/Measure-Current Voltage Offset  
(IOS)  
o Programmable Voltage Clamps for the Force  
Output  
o Low-Leakage, High-Z Measure State  
o 3-Wire Serial Interface  
o Low Power, 8mµ (max) per PMU  
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  
Ordering Information  
PµRT  
TEMP RµNGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
PIN-PµCKµGE  
64 TQFP-EPR*  
64 TQFP-EPR*  
64 TQFP-EP**  
64 TQFP-EP**  
MµX9949DCCB+  
MAX9949FCCB+  
MµX99ꢁꢀDCCB+  
MAX9950FCCB+  
exposed paddle is internally connected to V . The  
EE  
MAX9949/MAX9950 are specified over the commercial  
(0°C to +70°C) temperature range.  
+Denotes a lead(Pb)-free/RoHs-compliant part.  
*EPR = Exposed pad on top.  
**EP = Exposed pad on bottom.  
Note: Exposed pad is internally connected to VEE.  
Applications  
Memory Testers  
Selector Guide  
VLSꢁ Testers  
System-on-a-Chip Testers  
Structural Testers  
PµRT  
DESCRIPTION  
MAX9949DCCB+  
MAX9949FCCB+  
MAX9950DCCB+  
MAX9950FCCB+  
ꢁnternal 10kΩ force-sense resistor  
No internal force-sense resistor  
ꢁnternal 10kΩ force-sense resistor  
No internal force-sense resistor  
Pin Configurations appear at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-6±9-464±, or visit Maxim’s website at www.maxim-ic.com.  
1234567...23

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