Dc current source ac and dc current source, Source specifications – Atec Keithley-6220-6221 User Manual
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A Greater Measure of Confidence
www.keithley.com
1.888.KEITHLEY
(U.S. only)
M
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source specifications
range
(+5% over
range)
accuracy
(1 Year)
23°C ±5°C
±(% rdg. + amps)
Programming
resolution
Temperature
Coefficient/°C
0°–18°C &
28°–50°C
Typical Noise
(peak-peak)/rMs
3
0.1Hz–10Hz
6221 only
settling Time
1, 2
(1% of final Value)
Typical Noise
(peak-peak)/rMs
3
10Hz–(bw)
output
response
bandwidth
(bW) Into
short
output
response
fast (Typical
3
)
(6221 only)
6220, 6221
with output
response
slow (Max.)
2 nA
0 .4 % + 2 pA
100 fA
0 .02 % + 200 fA
400 / 80 fA
250 / 50 pA
10 kHz
90 µs
100 µs
20 nA
0 .3 % + 10 pA
1 pA
0 .02 % + 200 fA
4 / 0 .8 pA
250 / 50 pA
10 kHz
90 µs
100 µs
200 nA
0 .3 % + 100 pA
10 pA
0 .02 % + 2 pA
20 / 4 pA
2 .5 / 0 .5 nA
100 kHz
30 µs
100 µs
2 µA
0 .1 % + 1 nA
100 pA
0 .01 % + 20 pA
200 / 40 pA
25 / 5 .0 nA
1 MHz
4 µs
100 µs
20 µA
0 .05% + 10 nA
1 nA
0 .005% + 200 pA
2 / 0 .4 nA
500 / 100 nA
1 MHz
2 µs
100 µs
200 µA
0 .05% + 100 nA
10 nA
0 .005% + 2 nA
20 / 4 nA
1 .0 / 0 .2 µA
1 MHz
2 µs
100 µs
2 mA
0 .05% + 1 µA
100 nA
0 .005% + 20 nA
200 / 40 nA
5 .0 / 1 µA
1 MHz
2 µs
100 µs
20 mA
0 .05% + 10 µA
1 µA
0 .005% + 200 nA
2 / 0 .4 µA
20 / 4 .0 µA
1 MHz
2 µs
100 µs
100 mA
0 .1 % + 50 µA
10 µA
0 .01 % + 2 µA
10 / 2 µA
100 / 20 µA
1 MHz
3 µs
100 µs
aDDITIoNal sourCE sPECIfICaTIoNs
OUTPUT RESISTANCE: >10
14
W (2nA/20nA range) .
OUTPUT CAPACITANCE: <10pF, <100pF Filter ON
(2nA/20nA range) .
LOAD IMPEDANCE: Stable into 10µH typical, 100µH for 6220,
or for 6221 with Output Response SLOW .
VOLTAGE LIMIT (Compliance): Bipolar voltage limit set with
single value . 0 .1V to 105V in 0 .01V programmable steps .
MAX. OUTPUT POWER: 11W, four quadrant source or
sink operation .
GUARD OUTPUT ACCURACy: ±1mV for output currents <2mA
(excluding output lead voltage drop) .
PROGRAM MEMORy: Number of Locations: 64K . Offers
point-by-point control and triggering, e .g . sweeps .
MAX. TRIGGER RATE: 1000/s .
RMS NOISE 10Hz–20MHz (2nA–20mA Range): Less than
1mVrms, 5mVp-p (into 50
W load) .
sourCE NoTEs
1 . Settling times are specified into a resistive load, with a maximum
resistance equal to 2V/ I
full scale
of range . See manual for other
load conditions .
2 . Settling times to 0 .1% of final value are typically <2
× of 1%
settling times .
3 . Typical values are non warranted, apply at 23°C, represent the 50th
percentile, and are provided solely as useful information .
2182a MEasurEMENT fuNCTIoNs
DUT RESISTANCE: Up to 1G
W (1ns) (100MW limit for
pulse mode) .
DELTA MODE RESISTANCE MEASUREMENTS AND
DIFFERENTIAL CONDUCTANCE: Controls Keithley Model
2182A Nanovoltmeter at up to 24Hz reversal rate (2182 at up
to 12Hz) .
PULSE MEASUREMENTS (6221 ONLy):
Pulse Widths: 50µs to 12ms, 1pA to 100mA .
Repetition Interval: 83 .3ms to 5s .
arbITrarY fuNCTIoN GENEraTor
(6221 only)
WAVEFORMS: Sine, Square, Ramp, and 4 user defined arbitrary
waveforms .
FREQUENCy RANGE: 1mHz to 100kHz .
5
FREQUENCy ACCURACy
4
: ±100ppm (1 year) .
SAMPLE RATE: 10 MSPS .
AMPLITUDE: 4pA to 210mA peak-peak into loads up to 10
12
W .
AMPLITUDE RESOLUTION: 16 bits (including sign) .
AMPLITUDE ACCURACy (<10kHz):
5
Magnitude: ±(1% rdg + 0 .2% range) .
Offset: ±(0 .2% rdg + 0 .2% range) .
SINE WAVE CHARACTERISTICS:
Amplitude Flatness: Less than 1dB up to 100kHz .
6
SQUARE WAVE CHARACTERISTICS:
Overshoot:
2 .5% max .
6
Variable Duty Cycle:
4
Settable to 1µs min . pulse duration,
0 .01% programming resolution .
jitter (RMS): 100ns + 0 .1% of period .
6
RAMP WAVE CHARACTERISTICS:
Linearity: <0 .1% of peak output up to 10kHz .
6
ARBITRARy WAVE CHARACTERISTICS:
Waveform Length: 2 to 64K points .
jitter (RMS): 100ns + 0 .1% of period .
6
WaVEforM NoTEs
4 . Minimum realizable duty cycle is limited by current range
response and load impedance .
5 . Amplitude accuracy is applicable into a maximum resistive
load of 2V/ I
full scale
of range . Amplitude attenuation will occur
at higher frequencies dependent upon current range and load
impedance .
6 . These specifications are only valid for the 20mA range and a
50
W load .
GENEral
COMMON MODE VOLTAGE: 250V rms, DC to 60Hz .
COMMON MODE ISOLATION: >10
9
W, <2nF .
SOURCE OUTPUT MODES: Fixed DC level, Memory List .
REMOTE INTERFACE:
IEEE-488 and RS-232C .
SCPI (Standard Commands for Programmable
Instruments) .
DDC (command language compatible with Keithley
Model 220) .
PASSWORD PROTECTION: 11 characters .
DIGITAL INTERFACE:
Handler Interface: Start of test, end of test, 3 category
bits, +5V@300mA supply .
Digital I/O: 1 trigger input, 4 TTL/Relay Drive outputs
(33V@500mA, diode clamped) .
OUTPUT CONNECTIONS:
Teflon insulated 3-lug triax connector for output .
Banana safety jack for GUARD, OUTPUT LO .
Screw terminal for CHASSIS .
DB-9 connector for EXTERNAL TRIGGER INPUT,
OUTPUT, and DIGITAL I/O .
Two position screw terminal for INTERLOCK .
INTERLOCK: Maximum 10
W external circuit impedance .
POWER SUPPLy: 100V to 240V rms, 50–60Hz .
POWER CONSUMPTION: 120VA .
ENVIRONMENT:
For Indoor Use Only: Maximum 2000m 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, guaranteed by design .
EMC: Conforms to European Union Directive 89/336/EEC,
EN 61326-1 .
SAFETy: Conforms to European Union Directive
73/23/EEC, EN61010-1 .
VIBRATION: MIL-PRF-28800F Class 3, Random .
WARMUP: 1 hour to rated accuracies .
Passive Cooling: No fan .
DIMENSIONS:
Rack Mounting: 89mm high × 213mm wide × 370mm
deep (3 .5 in . × 8 .375 in .
×
14 .563 in .) .
Bench Configuration (with handle and feet): 104mm
high × 238mm wide × 370mm deep (4 .125 in .
×
9 .375
in .
×
14 .563 in .) .
6220
6221
DC Current Source
AC and DC Current Source