KEITHLEY - 2450 Source Measure Unit (SMU): 马来西亚的首选 Carlssoon Technologies (Malaysia) Sdn Bhd

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KEITHLEY - 2450 Source Measure Unit (SMU)
Brand: Keithley
Model: 2450

Product Introduction:

The 2450 is Keithley's next-generation SourceMeter source measure unit (SMU) instrument that truly brings Ohm's law (current, voltage, and resistance) testing right to your fingertips. Its innovative graphical user interface (GUI) and advanced, capacitive touchscreen technology allow intuitive usage and minimize the learning curve to enable engineers and scientists to learn faster, work smarter, and invent easier. The 2450 is the SMU for everyone: a versatile instrument, particularly well-suited for characterizing modern scaled semiconductors, nano-scale devices and materials, organic semiconductors, printed electronics, and other small-geometry and low-power devices. All this combined with Keithley SMU precision and accuracy allows users to Touch, Test, Invent® with the new favorite go-to instrument in the lab for years to come.

Key Features

Capabilities of analyzers, curve tracers, and I-V systems at a fraction of their cost
Five-inch, high resolution capacitive touchscreen GUI
0.012% basic measure accuracy with 6½-digit resolution
Enhanced sensitivity with new 20mV and 10nA source/measure ranges
Source and sink (four-quadrant) operation
Four ''Quickset'' modes for fast setup and measurements
Built-in, context-sensitive front panel help
Front panel input banana jacks; rear panel input triaxial connections
2450 SCPI and TSP® scripting programming modes
2400 SCPI-compatible programming mode
Front panel USB memory port for storing data, programming, instrument configurations, and to upgrade the unit

Voltage Specifications

Source				Measure³
Range	Resolution	Accuracy (23° ± 5°C) 1 Year ±(% setting + volts)	Noise (RMS) (<10 Hz)⁶	Resolution	Input Resistance	Accuracy (23° ± 5°C) 1 Year ±(% rdg. + volts)
20.00000 mV	500 nV	0.100% + 200 μV	1 μV	10 nV	>10 GΩ	0.100% + 150 μV
200.0000 mV	5 μV	0.015% + 200 μV	1 μV	100 nV	>10 GΩ	0.012% + 200 μV
2.000000 V	50 μV	0.020% + 300 μV	10 μV	1 μV	>10 GΩ	0.012% + 300 μV
20.00000 V	500 μV	0.015% + 2.4 mV	100 μV	10 μV	>10 GΩ	0.015% + 1 mV
200.0000 V	5 mV	0.015% + 24 mV	1 mV	100 μV	>10 GΩ	0.015% + 10 mV

Current Specifications

Source				Measure³
Range	Resolution	Accuracy (23° ±5°C)⁴ 1 Year ±(% setting + amps)	Noise (RMS) (<10 Hz)⁶	Resolution	Voltage Burden	Accuracy (23° ±5°C) 1 Year ±(% rdg. + amps)
10.00000 nA5	500 fA	0.100% + 100 pA	500 fA	10 fA	<100 μV	0.100% + 50 pA
100.0000 nA⁵	5 pA	0.060% + 150 pA	500 fA	100 fA	<100 μV	0.060% + 100 pA
1.000000 μA	50 pA	0.025% + 400 pA	5 pA	1 pA	<100 μV	0.025% + 300 pA
10.00000 μA	500 pA	0.025% + 1.5 nA	40 pA	10 pA	<100 μV	0.025% + 700 pA
100.0000 μA	5 nA	0.020% + 15 nA	400 pA	100 pA	<100 μV	0.020% + 6 nA
1.000000 mA	50 nA	0.020% + 150 nA	5 nA	1 nA	<100 μV	0.020% + 60 nA
10.00000 mA	500 nA	0.020% + 1.5 μA	40 nA	10 nA	<100 μV	0.020% + 600 nA
100.0000 mA	5 μA	0.025% + 15 μA	100 nA	100 nA	<100 μV	0.025% + 6 μA
1.000000 A	50 μA	0.067% + 900 μA	3 μA	1 μA	<100 μV	0.030% + 500 μA

Temperature Coefficient (0°–18°C and 28°–50°C) ±(0.15 × accuracy specification)/°C.

Resistance Measurement Accuracy (Local or Remote Sense)

Source				Measure³
Range	Default Resolution³	Default Test Current	Normal Accuracy (23°C ±5°C) 1 Year, ±(% rdg. + ohms)	Enhanced Accuracy⁴(23°C ±5°C) 1 Year, ±(% rdg. + ohms)
<2.000000 Ω⁵	1 μΩ	User defined	Source.I_{ACC + Meas.VACC}	Meas.I_ACC + Meas.V_ACC
20.00000 Ω	10 μΩ	100 mA	0.098% + 0.003 Ω	0.073% + 0.001 Ω
200.0000 Ω	100 μΩ	10 mA	0.077% + 0.03 Ω	0.053% + 0.01 Ω
2.000000 kΩ	1 mΩ	1 mA	0.066% + 0.3 Ω	0.045% + 0.1 Ω
20.00000 kΩ	10 mΩ	100 μA	0.063% + 3 Ω	0.043% + 1 Ω
200.0000 kΩ	100 mΩ	10 μA	0.065% + 30 Ω	0.046% + 10 Ω
2.000000 MΩ	1 Ω	1 μA	0.110% + 300 Ω	0.049% + 100 Ω
20.00000 MΩ	10 Ω	1 μA	0.110% + 1 kΩ	0.052% + 500 Ω
200.0000 MΩ	100 Ω	100 nA	0.655% + 10 kΩ	0.349% + 5k Ω
>200.000000 Ω⁵	-	User defined	Source.I_{ACC + Meas.VACC}	Meas.I_ACC + Meas.V_ACC

Temperature Coefficient (0°–18°C and 28°–50°C)	±(0.15 × accuracy specification)/°C.
Source Current, Measure Resistance Mode	Total uncertainty = Isource accuracy + Vmeasure accuracy (4-wire remote sense).
Source Voltage, Measure Resistance Mode	Total uncertainty = Vsource accuracy + Imeasure accuracy (4-wire remote sense).
Guard Output Impedance	0.5 Ω (DC) in ohms mode.

Operating Characteristics

Max. Output Power

20 W, four-quadrant source or sink operation.

Source Limits

Vsource: ±21 V (≤ 1 A range), ±210 V (≤ 100 mA range).
Isource: ±1.05 A (≤ 20 V range), ±105 mA (≤ 200 V range).

Overrange

105% of range, source and measure.

Regulation

Voltage: Line: 0.01% of range. Load: 0.01% of range + 100 µV.
Current: Line: 0.01% of range. Load: 0.01% of range + 100 pA.

Source Limits

Voltage Source Current Limit: Bipolar current limit set with single value. Min. 10% of range.
Current Source Voltage Limit: Bipolar voltage limit set with single value. Min. 10% of range.

V-Limit / I-Limit Accuracy

Add 0.3% of setting and ±0.02% of reading to base specification.

Overshoot

Voltage Source: <0.1% typical (full scale step, resistive load, 20 V range, 10 mA I-Limit.
Current Source: <0.1% typical (1 mA step, R_Load = 10 kΩ, 20 V range).

Range Change Overshoot

Overshoot into a fully resistive 100 kΩ load, 10 Hz to 20 MHz BW, adjacent ranges: 250 mV typical.

Output Settling Time

Time required to reach 0.1% of final value after command is processed and output slew, 20 V range, 100 mA I-Limit: <200 µs typical.

Maximum Slew Rate

0.2 V/μs, 200 V range, 100 mA limit into a 2 kΩ load (typical).

Over Voltage Protection

User selectable values, 5% tolerance. Factory default = none.

Voltage Source Noise

Typical 10 Hz–1 MHz (RMS): 2 mV typical into a resistive load.

Common Mode Voltage

250 V DC.

Common Mode Isolation

>1 GΩ, <1000 pF.

Noise Rejection (typical)

NPLC	NMRR	CMRR
0.01	-	60 dB
0.1	-	60 dB
1	60 dB	100 dB*

* Except lowest two current ranges ~90dB.

Load Impedance

20 nF typical (standard). Stable into 50 μF typical (High-C mode).
High-C mode valid for ≥100 µA range s, ≥200 mV ranges.

Max. Voltage Drop Between Force and Sense Terminals

5 V.

Max. Sense Lead Resistance

1 MΩ for rated accuracy

Sense Input Impedance

>10 GΩ.

Guard Offset Voltage

<300 µV, typical

System Measurement Speeds

Reading Rates (readings/second) typical for 60 Hz (50 Hz):
Script (TSP) Programmed

	Measure				Source-Measure Sweep
NPLC/Trigger Origin	To Mem.	To GPIB	To USB	To LAN	To Mem	To GPIB	To USB	To LAN
0.01 / Internal	3130 (2800)	2830 (2570)	2825 (2600)	2790 (2530)	1710 (1620)	1620 (1540)	1630 (1540)	1620 (1540)
0.01 / External	2170 (2050)	2150 (2030)	2170 (2040)	2160 (1990)	1670 (1590)	1580 (1500)	1590 (1510)	1580 (1510)
0.1 / Internal	540 (460)	530 (450)	530 (450)	530 (450)	470 (410)	460 (400)	470 (400)	470 (400)
0.1 / External	500 (430)	490 (420)	500 (430)	500 (420)	470 (400)	460 (390)	460 (400)	460 (400)
1.00 / Internal	59 (49)	58 (49)	59 (49)	59 (49)	58 (48)	58 (48)	58 (48)	58 (48)
1.00 / External	58 (48)	57 (48)	58 (48)	58 (48)	57 (48)	57 (47)	57 (48)	57 (48)

SCPI Programmed

	Measure				Source-Measure Sweep
NPLC/Trigger Origin	To Mem.	To GPIB	To USB	To LAN	To Mem	To GPIB	To USB	To LAN
0.01 / Internal	3130 (2800)	3060 (2760)	3000 (2790)	3010 (2710)	1710 (1630)	1610 (1600)	1440 (1380)	1690 (1590)
0.01 / External	2350 (2200)	2320 (2170)	2340 (2190)	2320 (2130)	1680 (1590)	1560 (1570)	1410 (1360)	1660 (1560)
0.1 / Internal	540 (460)	540 (450)	540 (460)	540 (450)	470 (410)	470 (410)	450 (390)	470 (410)
0.1 / External	510 (440)	510 (430)	510 (440)	510 (430)	470 (400)	470 (400)	450 (390)	470 (400)
1.00 / Internal	59 (49)	59 (49)	59 (49)	59 (49)	58 (48)	58 (48)	57 (48)	58 (48)
1.00 / External	58 (49)	58 (49)	58 (49)	58 (49)	58 (48)	58 (48)	57 (47)	58 (48)