U2781A Datasheet, PDF (67/76 Pages) Keysight Technologies – USB Modular Products

Product specifications
Model
Channels/configuration
Switch type
Input characteristics (per channel)
Max working voltage¹
– Standalone
– Modular (Used with U2781A)
Max transient voltage
Max current
– Switch current
– Carry current
Power (W, VA)²
Volt-Hertz limit
General specification
Thermal emf (differential)
Initial closed channel resistance
DC isolation (ch-ch, ch-earth)
AC characteristics
Bandwidth³
Insertion loss
– 100 kHz
– 1 MHz
– 10 MHz
– 45 MHz
Capacitance
– HI-LO
– LO-Earth
Crosstalk at terminal block (ch-ch)³
– 300 kHz
– 1 MHz
– 20 MHz
– 45 MHz
General characteristics
Relay life, typical
– No load
– 10 V, 100 mA
– Related load
Open/close time
U2751A
Without U2922A terminal block
With U2922A terminal block
4 × 8, 2-wire
Armature latching
45 MHz
0.2 dB
0.3 dB
< 2 dB
< 3 dB
55 pF
35 pF
42 VDC/35 Vrms
180 VDC/180 Vrms
300 Vrms
2A
2A
60 W, 62.5 VA
108
< 3 μV
< 1.5 Ω
> 10 GΩ
–70 dB
–60 dB
–35 dB
–30 dB
30 MHz
0.2 dB
0.3 dB
< 2 dB
< 4.5 dB
85 pF
45 pF
100 M
10 M
100 k
4 ms/4 ms
1 _{DC or AC rms, channel-to-channel or channel-to-earth.}
2 _{Limited to 6 W channel resistance power loss per module.}
3 _{50 Ω source, 50 Ω load, differential measurements verified with a 4-port network analyzer (Sdd21).}
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