Agilent Technologies U2802A User Manual download pdf (Page 26)

U2500A

Product speciﬁcations

Model number U2531A U2541A U2542A

Analog input

Resolution 14 bits 16 bits

Number of channels 4 differential input channels (software selectable/channel)

Maximum sampling rate 2 MSa/s 250 kSa/s 500 kSa/s

Programmable bipolar input range

[1]

±10 V, ±5 V, ±2.5 V, ±1.25 V

Programmable unipolar input range 0 to 10 V, 0 to 5 V, 0 to 2.5 V, 0 to 1.25 V

Input coupling DC

Input impedance 1 GΩ/100 pF

Operational common mode voltage range ±8.0 V maximum

Overvoltage range Power-on: Continuous ±30 V, Power-off: Continuous ±15 V

Trigger sources External analog/digital trigger, SSI/star trigger

[2]

Trigger modes Pre-trigger, delay-trigger, post-trigger, and middle-trigger

FIFO buffer size Up to 8 MSa

Analog output

Resolution 12 Bits

Number of channels 2

Maximum update rate 1 MSa/s

Output ranges 0 to 10 V, ±10 V, 0 to AO_EXT_REF, ±AO_EXT_REF

[3]

Output coupling DC

Output impedance 0.1 Ω Typical

Stability Any passive load up to 1500 pF

Power-on state 0 V steady state

Trigger sources External analog/digital trigger, SSI/star trigger

[2]

Trigger modes Delay trigger, post trigger

FIFO buffer size

1 Channel used: Maximum 8 MSa

4 Channels used: Maximum 2 MSa/ch

Glitch energy 5 ns-V (Typical), 80 ns-V (Maximum)

Driving capability 5 mA

Function generation mode Sine, square, triangle, sawtooth, and noise waveforms

Digital input/output

Number of bits 24-bit programmable input/output

Compatibility TTL

Input voltage

VIL = 0.7 V maximum; IIL = 10 μA maximum

VIH = 2.0 V minimum; IIH = 10 μA maximum

Input voltage range –0.5 V to +5.5 V

Output voltage

VOL = 0.45 V maximum; IOL = 8 mA maximum

VOH = 2.4 V minimum; IOH = 400 μA maximum

General purpose digital timer/counter

Maximum count (231 – 1) bits

Number of channels 2 Independent up/down counter

Compatibility TTL

Clock source Internal or external

Base clock available 48 MHz

Maximum clock source frequency 12 MHz

Input frequency range

[4]

0.1 Hz to 6 MHz at 50% duty cycle

Pulse width measurement range 0.167 μs to 178.956 s ±0.0833 μs

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Agilent Technologies U2802A User Manual Page 26

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