MAX4555 Maxim, MAX4555 Datasheet - Page 18

• Manufacturer Part Number: MAX4555
• Description: The MAX4554/MAX4555/MAX4556 are CMOS analog ICs configured as force-sense switches for Kelvin sensing in automated test equipment (ATE)
• Manufacturer: Maxim

Force-Sense Switches
Figure 4. 12-Wire Guarded Force-Sense Measurements
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+ FORCE-SENSE AMPLIFIER
VOLTAGE SOURCE
V+
V +
V-
V-
V+
V+
V-
V-
- FORCE-SENSE AMPLIFIER
+ FORCE-GUARD AMPLIFIER
- FORCE-GUARD AMPLIFIER
- SENSE-GUARD AMPLIFIER
CURRENT SENSE
CURRENT SENSE
+SENSE
GUARD AMPLIFIER
V+
V +
V+
V-
V-
V
V
V+
V-
12-WIRE PRECISION SOURCE-MONITOR
TRIAX CABLE
TRIAX CABLE
TRIAX CABLE
TRIAX CABLE
- GUARD
+FORCE
+GUARD
GROUND
+SENSE
+GUARD
GROUND
GROUND
GROUND
- FORCE
- GUARD
-SENSE
LEAKAGE CURRENT
LEAKAGE CURRENT
LEAKAGE CURRENT
LEAKAGE CURRENT
(OPTIONAL GROUND)
TRIAX CABLE/CONNECTOR
CENTER WIRE (FORCE/SENSE)
INNER SHEILD (GUARD)
OUTER SHEILD (GROUND)
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