Agilent Technologies L4400 Manuale Utente Scaricare il pdf (Pagina 5)

Product specifications

Digital input/output characteristics

Four 8-bit channels, 8-bits wide, input

or output, non-isolated Vin(L) < 0.8 V (TTL)

Vin(H) > 2.0 V (TTL)

Vout(L) < 0.8 V @Iout = -400 mA per output

Vout(H) > 2.4 V @ Iout = 1 mA

Vin(H) max < 42 V with external open drain pull-up

Alarm Maskable pattern match or state change

Speed 4 ms (max) alarm sampling

Latency 5 ms (typ) to 34980A alarm output

Read/write speed 95/s

Totalize input characteristics

Max count 2

- 1

Totalize input 100 kHz (max) rising or falling edge, program-

mable

Signal level 1 Vp-p (min) 42 Vpk (max)

Threshold 0 V or TTL

Gate input TTL-Hi, TTL-Lo, or none

Count reset Manual or read + reset

Read speed 85 rdgs/s

Analog output characteristics

DAC 1, 2 ±12 V, non-isolated

Resolution 1 mV

IOUT 10 mA max

Settling time 1 ms to 0.01% of output

Accuracy 1 year ±(% of output + mV)

(0.25% + 20 mV)

Temp. coefficient ±(0.015% + 1 mV)/°C

1 2 3 4 5 6 7 8 9

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Agilent Technologies L4400 Manuale Utente Pagina 5