Datasheet

SMU INSTRUMENTS
www.keithley.com
1.888.KEITHLEY
(U.S. only)
A Greater Measure of Confidence
2601B, 2602B,
2604B
System SourceMeter
®
SMU Instruments
GENERAL
HIGH CAPACITANCE MODE
26, 27, 28
VOLTAGE SOURCE OUTPUT SETTLING TIME: Time required to reach 0.1% of final value after
source level command is processed on a fixed range. Current limit = 1A.
Voltage Source Range Settling Time with C
load
= 4.7µF
100 mV 200 µs (typical)
1 V 200 µs (typical)
6 V 200 µs (typical)
40 V 7 ms (typical)
CURRENT MEASURE SETTLING TIME: Time required to reach 0.1% of final value after voltage
source is stabilized on a fixed range. Values below for V
out
= 1V unless noted.
Current Measure Range Settling Time
3 A – 1 A <120 µs (typical) (R
load
> 2W)
100 mA – 10 mA <100 µs (typical)
1 mA < 3 ms (typical)
100 µA < 3 ms (typical)
10 µA < 230 ms (typical)
1 µA < 230 ms (typical)
CAPACITOR LEAKAGE PERFORMANCE USING HIGH-C SCRIPTS
29
: Load = 5µF||10MW.
Test: 5V step and measure. 200ms (typical) @ 50nA.
MODE CHANGE DELAY:
100µA Current Range and Above:
Delay into High Capacitance Mode: 10ms.
Delay out of High Capacitance Mode: 10ms.
1µA and 10µA Current Ranges:
Delay into High Capacitance Mode: 230ms.
Delay out of High Capacitance Mode: 10ms.
VOLTMETER INPUT IMPEDANCE: 10GW in parallel with 3300pF.
NOISE, 10Hz–20MHz (6V Range): <30mV peak-peak (typical).
VOLTAGE SOURCE RANGE CHANGE OVERSHOOT: <400mV + 0.1% of larger range (typical).
Overshoot into a 100kW load, 20MHz BW.
NOTES
26. High Capacitance Mode specifications are for DC measurements only.
27. 100nA range is not available in High Capacitance Mode.
28. High Capacitance Mode utilizes locked ranges. Auto Range is disabled.
29. Part of KI Factory scripts. See reference manual for details.
IEEE-488: IEEE-488.1 compliant. Supports IEEE-488.2 common commands and status
model topology.
USB CONTROL (REAR): USB 2.0 device, TMC488 protocol.
RS-232: Baud rates from 300bps to 115200bps.
ETHERNET: RJ-45 connector, LXI Class C, 10/100BT, no auto MDIX.
EXPANSION INTERFACE: The TSP-Link expansion interface allows TSP enabled instruments to
trigger and communicate with each other. (Not available on Model 2604B.)
Cable Type: Category 5e or higher LAN crossover cable.
Length: 3 meters maximum between each TSP enabled instrument.
LXI COMPLIANCE: LXI Class C 1.4.
LXI TIMING: Total Output Trigger Response Time: 245µs min., 280µs typ., (not
specified) max. Receive LAN[0-7] Event Delay: Unknown. Generate LAN[0-7] Event
Delay: Unknown.
DIGITAL I/O INTERFACE: (Not available on Model 2604B)
+5VDC
5.1kΩ
100Ω
Solid State
Fuse
Read by
firmware
Written by
firmware
+5V Pins
(on DIGITAL I/O
connector)
Dig
ital I/O Pin
(on DIGITAL I/O
connector)
GND Pin
(on DIGITAL I/O
connector)
Rear Panel
Connector: 25-pin female D.
Input/Output Pins: 14 open drain I/O bits.
Absolute Maximum Input Voltage: 5.25V.
Absolute Minimum Input Voltage: –0.25V.
Maximum Logic Low Input Voltage: 0.7V, +850µA max.
Minimum Logic High Input Voltage: 2.1V, +570µA.
Maximum Source Current (flowing out of Digital I/O bit): +960µA.
Maximum Sink Current @ Maximum Logic Low Voltage (0.7V): –5.0mA.
Absolute Maximum Sink Current (flowing into Digital I/O pin): –11mA (not including
Model 2604B).
5V Power Supply Pins: Limited to 250mA total for all three pins, solid state fuse protected.
Output Enable: Active high input pulled down internally to ground with a 10kW resistor;
when the output enable input function has been activated, each SourceMeter channel will
not turn on unless the output enable pin is driven to >2.1V (nominal current = 2.1V/10kW
= 210µA).
USB FILE SYSTEM (FRONT): USB 2.0 Host: Mass storage class device.
POWER SUPPLY: 100V to 250VAC, 50–60Hz (auto sensing), 240VA max.
COOLING: Forced air. Side intake and rear exhaust. One side must be unobstructed when
rack mounted.
EMC: Conforms to European Union Directive 2004/108/EEC, EN 61326-1.
SAFETY: Conforms to European Union Directive 73/23/EEC, EN 61010-1, and UL 61010-1.
DIMENSIONS: 89mm high × 213mm wide × 460mm deep (3½ in × 8
3
⁄ 8 in × 17½ in). Bench
Configuration (with handle and feet): 104mm high × 238mm wide × 460mm deep (4
1
⁄ 8 in ×
9
3
⁄ 8 in × 17½ in).
WEIGHT: 2601B: 4.75kg (10.4 lbs). 2602B, 2604B: 5.50kg (12.0 lbs).
ENVIRONMENT: For indoor use only.
Altitude: Maximum 2000 meters above sea level.
Operating: 0°–50°C, 70% R.H. up to 35°C. Derate 3% R.H./°C, 35°–50°C.
Storage: –25°C to 65°C.
Series 2600B specifications Series 2600B specifications