Agilent Technologies N3280A manual Table A-2 Supplemental Characteristics

A - Specifications

Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typical performance determined either by design or type testing.

Table A-2 Supplemental Characteristics

Parameter		Voltage Priority	Current Priority
Output Programming	Voltage:	-10.25V to 10.25V	N/A
Limits	+ Current Limit1:	75∝A to 0.5125A	N/A
	- Current Limit:	tracks + Current Limit	N/A
	Current:	N/A	- 0.5125mA to +0.5125mA
Programming	Voltage:	16 bits / 312∝V	N/A
Resolution	+ Current Limit:	16 bits / 8∝A	N/A
	- Current Limit:	16 bits / 8∝A	N/A
	Current:	N/A	16 bits / 16nA
Programming	Voltage:	90 ppm + 80∝V	N/A
Accuracy	+ Current Limit:	110 ppm + 5∝A	N/A
Temperature	- Current Limit:	110 ppm + 5∝A	N/A
Coefficients	Current:	N/A	70 ppm + 30nA
Bandwidth	Voltage2:	10kHz; 20kHz; 30kHz	N/A
	+/-Current Limit3:	10kHz; 30kHz	N/A
Typical Output	Voltage:	-13.25V to +13.25V	-13.25V to +13.25V
Readback Ranges	0.5A Curr. Range:	-0.6A to +0.6A	-0.5125mA to +0.5125mA
	15mA Curr. Range:	-15.375mA to +15.375mA	-0.5125mA to +0.5125mA
	0.5mA Curr. Range:	-0.5125mA to +0.5125mA	-0.5125mA to +0.5125mA
Readback	Voltage:	16 bits / 312∝V	16 bits / 312∝V
Resolution	0.5A Curr. Range:	∝	16 bits / 16nA
		16 bits / 18 A
	15mA Curr. Range:	16 bits / 460nA	16 bits / 16nA
	0.5mA Curr. Range:	16 bits / 16nA	16 bits / 16nA
Readback	Voltage:	70 ppm + 100∝V	70 ppm + 100∝V
Accuracy	0.5A Curr. Range:	∝	30 ppm + 2nA
Temperature		60 ppm + 5 A
	15mA Curr. Range:	40 ppm + 40nA	30 ppm + 2nA
Coefficient	0.5mA Curr. Range:	30 ppm + 2nA	30 ppm + 2nA
DC Readback speed4	Voltage:	1.3ms (5 points)
(with no change on the	0.5A Curr. Range:	1.3ms (5 points)
output)	15mA Curr. Range:	1.3ms (5 points)
	0.5mA Curr. Range:	1.3ms (5 points)
Peak Current Limit		±1.3A (typical)	±5mA (typical)
(not programmable)
CV to CL mode	Vset = ±5V, Curr. Limit = 0.5125A:	±1A for 200∝s (typical)	N/A
crossover5	Vset = ±10V, Curr. Limit = 0.1A:	±0.2A for 600∝s (typical)	N/A
Voltage Programming	Voltage (to within 20mV@10kHz):	420∝s	N/A
Settling Time6	Voltage (to within 20mV@30kHz):	350∝s	N/A
Programming Output	Voltage7(10% to 90% @10kHz):	150∝s	N/A
Rise Time	+Curr. Lim8 (10% to 90%):	450∝s	N/A
	-Curr. Lim9 (10% to 90%):	450∝s	N/A
	Current10 (-80% to +80%):	N/A	160∝s

1 If current limit is programmed less than 75uA, the current limit will be set to 75∝A (no error will be generated).

2Approximate voltage loop bandwidth with no external capacitor.

3Approximate current limit circuit bandwidth with output shorted.

4Time from the start of bus communication to final byte returned on bus. Assumes the default of 5 data points 30.4∝s apart.

5With any voltage bandwidth setting, and 30kHz current limit bandwidth setting.

6With a 20 ohm load resistor and current limit set to +0.5125A, program voltage 0V to ±10V. Measure time for voltage to settle within 20mV of final value.

7With 20 ohm load resistor and current limit set to +0.5125A, program voltage from 0V to ±10V.

8With 20 ohm load resistor and voltage set to 10.25V, program current limit from 0A to 0.5A.

9With 20 ohm load resistor and voltage set to –10.25V, program current limit from 0A to 0.5A.

10With 1k load resistor, program current from –0.5mA to +0.5mA. Measure time from –0.4mA to +0.4mA.

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