E4237 SEMTECH [Semtech Corporation], E4237 Datasheet - Page 20
E4237
Manufacturer Part Number
E4237
Description
Dual Channel Per-Pin Parametric Measurement Unit
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.E4237.pdf
(39 pages)
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Per Pin PMU
An application of the E42X7 is as a Per-Pin Parametric
Measurement Unit (PPMU) in ATE as shown in the figure
below. IVMON is connected to an external ADC to perform
measurements for either MI or MV. Such measurements
can also be used to calibrate the inputs to the comparator.
Typically, IVMONs from multiple PMUs are connected to a
single ADC where DISMON is used to select a PPMU.
TEST AND MEASUREMENT PRODUCTS
Application Information (continued)
DCL
2005 Semtech Corp. / Rev. 5, 11/30/05
ADC
IVMON
4287 PPMU
DISMON[0:1]
F
S
DUT Pin
20
Connecting the PMU to a DUT Pin
A Device Under Test (DUT) may be connected to the PPMU
either ‘locally” or ‘remotely’ to the pin electronics:
Local Pin Electronics:
Remote Pin Electronics (via Relays)
PPMU
PPMU
F
SYSTEM
F
SYSTEM
PMU
PMU
S
S
E4237/E4257/E4287
SENSE
FORCE
REXT
RF
REXT
RF
FORCE
SENSE
GUARD
Note: FORCE must be connected
to RF in order to ensure voltage
limiting functionality
Electronics
Pin
Inductors
Electronics
Pin
www.semtech.com
DUT
Pin
DUT
Pin
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