series 2400
SourceMeter SMU Instruments
®
Tightly coupled precision sourcing and measurement
•
five instruments in one
(IV source, IVr Measure)
•
seven models: 20–100W DC,
1000W pulsed, 1100V to 1µV,
10a to 10pa
•
source and sink (4-quadrant)
operation
•
0.012% basic measure accuracy
with 6½-digit resolution
•
2-, 4-, and 6-wire remote
V-source and measure sensing
•
1700 readings/second at
4½ digits via GPIb
•
Pass/fail comparator for fast
sorting/binning
•
available high speed sense lead
contact check function
•
Programmable DIo port for
automation/handler/prober
control (except Model 2401)
•
standard sCPI GPIb, rs-232 and
Keithley Trigger link interfaces
•
Keithley labTracer 2.0 I-V curve
tracing application software
(download)
advantages of a Tightly Integrated Instrument
By linking source and measurement circuitry in a single unit,
these instruments offer a variety of advantages over systems
configured with separate source and measurement instruments .
For example, they minimize the time required for test station
development, setup, and maintenance, while lowering the overall
cost of system ownership . They simplify the test process itself
by eliminating many of the complex synchronization and connection issues associated with using
multiple instruments . And, their compact half-rack size conserves precious “real estate” in the test
rack or bench .
Power of five Instruments in one (IV source, IVr Measure)
The tightly coupled nature of a SourceMeter SMU instrument provides many advantages over solu-
tions configured from separate instruments, such as a precision power supply and a digital multime-
ter . For example, it provides faster test times by reducing GPIB traffic and simplifies the remote pro-
gramming interface . It also protects the device under test from damage due to accidental overloads,
thermal runaway, etc . Both the current and voltage source are programmable with readback to help
maximize device measurement integrity . If the readback reaches a programmed compliance limit,
then the source is clamped at the limit, providing fault protection .
aCCEssorIEs aVaIlablE
TEsT lEaDs
1754
5804
5805
5808
5809
8607
CA-18-1
sWITCHING
7001
7002
7019-C
7053
aND ProbEs
2-Wire Universal 10-Piece Test Lead Kit
Kelvin (4-Wire) Universal 10-Piece Test Lead Kit
Kelvin (4-Wire) Spring-Loaded Probes
Low Cost Single-pin Kelvin Probe Set
Low Cost Kelvin Clip Lead Set
2-Wire, 1000V Banana Cables, 1m (3 .3 ft)
Shielded Dual Banana Cable, 1 .2m (4 ft)
HarDWarE
Two-Slot Switch System
Ten-Slot Switch System
6-Wire Ohms Switch Card
High-Current Switch Card
CoMMuNICaTIoN INTErfaCE
KPCI-488LPA IEEE-488 Interface/Controller for the PCI Bus
KUSB-488B
IEEE-488 USB-to-GPIB Interface Adapter
TrIGGErING aND CoNTrol
2499-DIGIO
Digital I/O Expander Assembly
(not for Model 2401)
8501-1
Trigger Link Cable, DIN-to-DIN, 1m (3 .3 ft)
8501-2
Trigger Link Cable, DIN-to-DIN, 2m (6 .6 ft)
8502
Trigger Link to BNC Breakout Box
8503
Trigger Link Cable, DIN-to-Dual BNC, 1m (3 .3 ft)
8505
Male to 2-Female Y-DIN Cable for Trigger Link
raCK MouNT KITs
4288-1
Single Fixed Rack Mount Kit
4288-2
Dual Fixed Rack Mount Kit
4288-4
Dual Fixed Rack Mount Kit
4288-5
Shelf Type Side by Side Rack Mounting Kit
4288-9
Dual Fixed Rack Mounting Kit
sofTWarE
LabTracer 2 .0 Curve Tracing Software (downloadable)
SMU INSTRUMENTS
CablEs/aDaPTErs
7007-1
Shielded GPIB Cable, 1m (3 .3 ft)
7007-2
Shielded GPIB Cable, 2m (6 .6 ft)
7009-5
RS-232 Cable
8620
Shorting Plug
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(U.S. only)
www.keithley.com
A Greater Measure of Confidence
Tightly coupled precision sourcing and measurement
Keithley’s Series 2400 Source Measure Unit (SMU) Instruments
are designed specifically for test applications that demand tightly
coupled sourcing and measurement . All SourceMeter models pro-
vide precision voltage and current sourcing as well as measure-
ment capabilities . Each SourceMeter SMU instrument is both
a highly stable DC power source and a true instrument-grade
6½-digit multimeter . The power source characteristics include
low noise, precision, and readback . The multimeter capabilities
include high repeatability and low noise . The result is a compact,
single-channel, DC parametric tester . In operation, these instru-
ments can act as a voltage source, a current source, a voltage
meter, a current meter, and an ohmmeter . Manufacturers of
components and modules for the communications, semiconduc-
tor, computer, automotive, and medical industries will find the
SourceMeter SMU instruments invaluable for a wide range of
characterization and production test applications .
series 2400
SourceMeter SMU Instruments
®
ordering Information
2400
2400-C
200V, 1a, 20W
sourceMeter sMu
Instrument
200V, 1a, 20W
sourceMeter sMu
Instrument with Contact
Check
20V, 1a, 20W sourceMeter
sMu Instrument
1100V, 1a, 20W
sourceMeter sMu
Instrument
1100V, 1a, 20W
sourceMeter sMu
Instrument with Contact
Check
60V, 3a, 60W sourceMeter
sMu Instrument
60V, 3a, 60W sourceMeter
sMu Instrument with
Contact Check
100V, 3a, 100W
sourceMeter sMu
Instrument
100V, 3a, 100W
sourceMeter sMu
Instrument with Contact
Check
100V, 10a, 1000W
Pulse Mode sourceMeter
sMu Instrument
100V, 10a, 1000W
Pulse Mode sourceMeter
sMu Instrument with
Contact Check
40V, 5a, 50W sourceMeter
sMu Instrument
40V, 5a, 50W sourceMeter
sMu Instrument with
Contact Check
I-V Characteristics
All SourceMeter SMU instruments provide four-quadrant operation . In the first and third quadrants
they operate as a source, delivering power to a load . In the second and fourth quadrants they oper-
ate as a sink, dissipating power internally . Voltage, current, and resistance can be measured during
source or sink operation .
I
meter
Local
Remote
I
source
DUT
V
meter
/Compliance
Remote
Local
SENSE LO
IN/OUT LO
Feedback to
Adjust V
source
Remote
Local
SENSE LO
IN/OUT LO
IN/OUT HI
SENSE HI
V
source
V
meter
DUT
I
meter
/Compliance
Local
Remote
IN/OUT HI
SENSE HI
Tightly coupled precision sourcing and measurement
2401
2410
2410-C
source I–Measure V, I, or
W
configuration
Series 2400 SourceMeter SMU Instruments
+1A
source V–Measure I, V, or
W
configuration
2420
2420-C
2425
2425-C
Model 2400
SourceMeter
SMU Instrument
+100mA
Model 2401
Low-Voltage
SourceMeter
SMU Instrument
+20V
+200V
–200V
–20V
+1A
+1
00m
A
–200V
–20V
+20V
+200V
2400
only
–100mA
2400
only
–100m
A
Duty cycle limited
–1A
–1A
Duty cycle limited
2430
2430-C
Model 2410
High-Voltage
SourceMeter
SMU Instrument
+1A
+200mA
Model 2420
3A SourceMeter
SMU Instrument
+3A
+1A
Model 2425
100W SourceMeter
SMU Instrument
+3A
+1A
+20mA
–1100V –200V
–20V
+20V
+200V +1100V
–60V
–20V
+100mA
+20V
+60V
–100V
–60 –20
+100mA
+20 +60
+100V
–20mA
–100mA
–100mA
2440
2440-C
–100mA
–1A
–1A
–1A
Duty cycle
limited
–3A
Duty cycle
limited
–3A
Duty cycle
limited
+1A
+100mA
1A
100mA
–40V
–10V
+10V
–100mA
–1A
–1A
–3A
–10A
+40V
–100V –60 –20
+20 +60 +100V
–100mA
Duty cycle limited
Pulse mode only
–5A
–3A
Duty cycle limited
1.888.KEITHLEY
(U.S. only)
www.keithley.com
A Greater Measure of Confidence
SMU INSTRUMENTS
accessories supplied
Model 8605 Test leads
labVIEW software Driver
(downloadable)
labTracer software
(downloadable)
Model 2430
1kW Pulse Mode
SourceMeter
SMU Instrument
+10A
+3A
Model 2440
5A SourceMeter
SMU Instrument
5A
3A
Tightly coupled precision sourcing and measurement
series 2400
SourceMeter SMU Instruments
®
Tightly coupled precision sourcing and measurement
standard and Custom sweeps
Sweep solutions greatly accelerate testing with
automation hooks . Three basic sweep waveforms
are provided that can be programmed for single-
event or continuous operation . They are ideal for
I/V, I/R, V/I, and V/R characterization .
• Linear Staircase Sweep: Moves from the start
level to the stop level in equal linear steps
• Logarithmic Staircase Sweep: Done on a
log scale with a specified number of steps
per decade
• Custom Sweep: Allows construction of
special sweeps by specifying the number of
measurement points and the source level at
each point
• Up to 1700 readings/second at 4½ digits to
the GPIB bus
• 5000 readings can be stored in the non-
volatile buffer memory
Stop
Start
Bias
Bias
linear staircase sweep
Stop
Start
Bias
Bias
logarithmic staircase sweep
Start
User
defined
steps
Stop
built-In Test sequencer
Bias
Bias
(source Memory list)
The Source Memory list provides faster and
Custom sweep
easier testing by allowing you to setup and
execute up to 100 different tests that run without
PC intervention .
• Stores up to 100 instrument configurations, each containing source settings, measurement
settings, pass/fail criteria, etc .
• Pass/fail limit test as fast as 500µs per point
• Onboard comparator eliminates the delay caused when sending data to the computer for analysis
• Built-in, user definable math functions to calculate derived parameters
Example Test sequence
Tests:
• leakage
• low voltage/resistances
• lIV
• IDDQ
• I-V characterization
• Isolation and trace resistance
• Temperature coefficient
• forward voltage, reverse
breakdown, leakage current
• DC parametric test
• DC power source
• HIPoT
• Photovoltaic cell efficiency
(source and sink)
• Dielectric withstanding
I
Test
Test 1
Pass/fail Test
Check V
F1
at
100mA against
pass/fail limits
Check V
F2
at 1A
against pass/fail
limits
Check leakage
current at –500V
and test against
pass/fail limits
If Passes Test
Go to Test 2
If fails Test
SMU INSTRUMENTS
I
R
Test 3
V
F1
V
F2
Test 2
Go to Test 3
Test 2
Test 1
V
Test 3
1. Bin part to good bin
2. Transmit readings to
computer while handler
is placing new part
3. Return to Test 1
1. Bin part to bad bin
2. Transmit data to
computer while
handler is placing
new part
3. Return to Test 1
1.888.KEITHLEY
(U.S. only)
www.keithley.com
A Greater Measure of Confidence
Tightly coupled precision sourcing and measurement
automation for speed
A SourceMeter SMU instrument streamlines production testing . It sources voltage or current while
making measurements without needing to change connections . It is designed for reliable operation
in non-stop production environments . To provide the throughput demanded by production applica-
tions, the SourceMeter SMU instrument offers many built-in features that allow it to run complex test
sequences without computer control or GPIB communications slowing things down .
TYPICal aPPlICaTIoNs
Devices:
• Discrete semiconductor devices
• Passive devices
• Transient suppression devices
• ICs, rfICs, MMICs
• laser diodes, laser diode
modules, lEDs, photodetectors
• Circuit protection devices: TVs,
MoV, fuses, etc.
• airbags
• Connectors, switches, relays
• High brightness lEDs
(DC and pulse)
series 2400
SourceMeter SMU Instruments
®
Tightly coupled precision sourcing and measurement
• Locks out parallel current paths when measuring resistor networks or
hybrid circuits to isolate the component under test .
• Allows users to configure and plot data easily from Series 2400
SourceMeter SMU instruments, making characterization of two, three,
and four terminal devices a snap .
+
The digital I/O interface is available on all Series 2400 SoourceMeter
instruments except the Model 2401 .
Trigger link Interface
All SourceMeter SMU instruments include Keithley’s unique Trigger Link
interface which provides high-speed, seamless communications with many
of Keithley’s other instruments . For example, use the Trigger Link interface
to connect a SourceMeter SMU instrument with a Series 7000 Switching
System for a complete multi-point test solution . With Trigger Link, the
Series 7000 Switching Systems can be controlled by a SourceMeter SMU
instrument during a high-speed test sequence independent of a computer
and GPIB .
optional Contact Check function
The Contact Check function makes it simple to verify good connections
quickly and easily before an automated test sequence begins . This elimi-
nates measurement errors and false product failures associated with con-
tact fatigue, breakage, contamination, loose or broken connection, relay
failures, etc . Some capabilities of this function are:
• 350µs verification and notification process time
• The output of the SourceMeter SMU instrument is automatically shut
off after a fault and is not re-activated until good contact is verified,
protecting the device under test from damage and the operator from
potential safety hazards .
• 3 pass/fail threshold values: 2W, 15W, and 50W
• No energy passes through the device under test during the operation .
• Enabled either from the front panel or remotely over the GPIB
• 3 fault notification methods
GUARD
Pass
IN/OUT HI
SENSE HI
V or I
Source
V
meter
(optional)
SENSE LO
IN/OUT LO
Pass
Fail
GUARD SENSE
GUARD
GUARD SENSE
-
I
meter
IN/OUT HI
SENSE HI
DUT
R2
I
source
V
meter
R1
R3
SENSE LO
IN/OUT LO
6-Wire ohms Circuit. all test current flows through r1 because the
high current guard drives the voltage across r2 to 0V.
Contact check option for 4-wire or 6-wire applications
free labTracer 2.0 device characterization software (downloadable)
1.888.KEITHLEY
(U.S. only)
www.keithley.com
A Greater Measure of Confidence
SMU INSTRUMENTS
I
meter
350µs
Contact Check
Tightly coupled precision sourcing and measurement
Digital I/o Interface
The digital I/O interface can link a SourceMeter SMU instrument to many
popular component handlers, including Aetrium, Aeco, and Robotronics .
Other capabilities of the interface include:
• Tight systems integration for applications such as binning and sorting
• Built-in component handler interface
• Start of test and end of test signals
• 5V, 300mA power supply
• Optional expander accessory (Model 2499-DIGIO) adds 16 digital I/O lines
unique 6-Wire ohms Technique
SourceMeter SMU instruments can make standard 4-wire, split Kelvin, and
6-wire, guarded ohms measurements and can be configured for either the
constant current or constant voltage method . The 6-wire ohms technique:
• Uses guard and guard sense leads in addition to the 4-wire sense and
source leads .
+
-
series 2400
SourceMeter SMU Instruments
®
Voltage accuracy (local or remote sense)
Programming
resolution
5 µV
50 µV
500 µV
5 mV
5 µV
50 µV
500 µV
50 mV
5 µV
50 µV
500 µV
1 .5 mV
5 µV
50 µV
500 µV
2 .5 mV
5 µV
50 µV
500 µV
2 .5 mV
5 µV
50 µV
500 µV
5 mV
source
1
accuracy (1 Year)
23°C ±5°C
±(% rdg. + volts)
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 2 .4 mV
0 .02% + 24 mV
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 2 .4 mV
0 .02% + 100 mV
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 2 .4 mV
0 .02% + 7 .2 mV
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 2 .4 mV
0 .02% + 12 mV
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 2 .4 mV
0 .02% + 12 mV
0 .02% + 600 µV
0 .02% + 600 µV
0 .02% + 1 .2 mV
0 .02% + 4 .8 mV
Default
Measurement
resolution
1 µV
10 µV
100 µV
1 mV
1 µV
10 µV
100 µV
10 mV
1 µV
10 µV
100 µV
1 mV
1 µV
10 µV
100 µV
1 mV
1 µV
10 µV
100 µV
1 mV
1 µV
10 µV
100 µV
1 mV
Measurement
2, 3, 4
accuracy (1 Year)
23°C ±5°C
±(% rdg. + volts)
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 1 .5 mV
0 .015% + 10 mV
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 1 mV
0 .015% + 50 mV
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 1 mV
0 .015% + 3 mV
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 1 mV
0 .015% + 5 mV
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 1 mV
0 .015% + 5 mV
0 .012% + 300 µV
0 .012% + 300 µV
0 .015% + 750 µV
0 .015% + 3 mV
output slew rate
(±30%)
source/sink limit
±21 V @ ±1 .05 A
±210 V @ ±105 mA*
Model
2400, 2400-C,
2401
2410, 2410-C
2420, 2420-C
2425, 2425-C
2430, 2430-C
2440, 2440-C
range
200 .000 mV
2 .00000 V
20 .0000 V
200 .000 V*
200 .000 mV
2 .00000 V
20 .0000 V
1000 .00 V
200 .000 mV
2 .00000 V
20 .0000 V
60 .0000 V
200 .000 mV
2 .00000 V
20 .0000 V
100 .0000 V
200 .000 mV
2 .00000 V
20 .0000 V
100 .0000 V
200 .000 mV
2 .00000 V
10 .0000 V
40 .0000 V
0 .08 V/µs
0 .5 V/µs
Series 2400 condensed specifications
0 .15 V/µs
0 .5 V/µs
±21 V @ ±1 .05 A
±1100 V @ ±21 mA
0 .08 V/µs
0 .14 V/µs
±21 V @ ±3 .15 A
±63 V @ ±1 .05 A
0 .08 V/µs
0 .25 V/µs
±21 V @ ±3 .15 A
±105 V @ ±1 .05 A
±105 V @ ±1 .05 A
0 .08 V/µs
0 .25 V/µs
±105 V @ ±10 .5 A
(pulse mode only)
±10 .5 V @ ±5 .25 A
±42 V @ ±1 .05 A
0 .08 V/µs
0 .25 V/µs
*Not available on Model 2401.
TEMPERATURE COEFFICIENT (0°–18°C and 28°–50°C):
±(0 .15
×
accuracy specification)/°C .
VOLTAGE REGULATION: Line:
0 .01% of range .
Load:
0 .01% of range + 100µV .
OVER VOLTAGE PROTECTION:
User selectable values, 5% tolerance . Factory default = none .
CURRENT LIMIT:
Bipolar current limit (compliance) set with single value . Min . 0 .1% of range .
OVERSHOOT:
<0 .1% typical (full scale step, resistive load, 10mA range) .
aDDITIoNal PulsE MoDE sourCE sPECIfICaTIoNs
(2430 and 2430-C only)
MAXIMUM DUTy CyCLE:
8%, hardware limited, 10A range only . All other ranges 100% .
MAXIMUM PULSE WIDTH:
5ms from 90% rising to 90% falling edge, 2 .5ms 10A range .
MINIMUM PULSE WIDTH:
150µs .
MINIMUM PULSE RESOLUTION:
50µs typical, 70µs max ., limited by system jitter .
SOURCE ACCURACy:
Determined by settling time and source range specifications .
OUTPUT SETTLING TIME 0.1%:
800µs typ ., source I = 10A into 10W, limited by voltage slew rate .
500µs typ ., source I = 10A into 1W, limited by voltage slew rate .
OUTPUT SLEW RATE:
Voltage (10W load):
0 .25V/µs ±30% on 100V range . 0 .08V/µs ±30% on 20V range, 10A range .
Current (0W load):
0 .25A/µs ±30% on 100V range . 0 .08A/µs ±30% on 20V range, 10A range .
NoTEs
1 .
2400, 2401, 2410 Only:
Specifications valid for continuous output currents below 105mA . For operation above
105mA continuous for >1 minute, derate accuracy 10%/35mA above 105mA .
2 . Speed = Normal (1 PLC) . For 0 .1 PLC, add 0 .005% of range to offset specifications, except 200mV, 1A, 10A
ranges, add 0 .05% . For 0 .01 PLC, add 0 .05% of range to offset specifications, except 200mV, 1A, 10A ranges, add
0 .5% .
3 . Accuracies apply to 2- or 4-wire mode when properly zeroed .
4 . In pulse mode, limited to 0 .1 PLC measurement .
aDDITIoNal sourCE sPECIfICaTIoNs (all Models)
TRANSIENT RESPONSE TIME:
30µs minimum for the output to recover to its spec . following a
step change in load .
COMMAND PROCESSING TIME:
Maximum time required for the output to begin to change
following the receipt of :SOURce:VOLTage|CURRent <nrf> command .
Autorange On:
10ms .
Autorange Off:
7ms .
OUTPUT SETTLING TIME:
Time required to reach 0 .1% of final value after command is pro-
cessed . 100µs typical . Resistive load . 10µA to 100mA range .
DC FLOATING VOLTAGE:
Output can be floated up to ±250VDC (Model 2440 ±40VDC) from
chassis ground .
REMOTE SENSE:
Up to 1V drop per load lead .
COMPLIANCE ACCURACy:
Add 0 .3% of range and ±0 .02% of reading to base specification .
OVER TEMPERATURE PROTECTION:
Internally sensed temperature overload puts unit in
standby mode .
RANGE CHANGE OVERSHOOT:
Overshoot into a fully resistive 100kW load, 10Hz to 1MHz BW,
adjacent ranges: 100mV typical, except 20V/200V (20V/60V on Model 2420), 20V/100V on Model
2425 and 2430, range boundary, and Model 2440 .
MINIMUM COMPLIANCE VALUE:
0 .1% of range .
SMU INSTRUMENTS
1.888.KEITHLEY
(U.S. only)
www.keithley.com
A Greater Measure of Confidence
Series 2400 condensed specifications
Analog electronics
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