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Dc current source ac and dc current source, Source specifications – Atec Keithley-6220-6221 User Manual

Page 5

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A Greater Measure of Confidence

www.keithley.com

1.888.KEITHLEY

(U.S. only)

M

ode

l 6

22

0 a

nd 6

22

1 s

pe

ci

fic

at

io

ns

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