 AD converter type: AD7865(4 chips)
 Input Range: ±10V,±5V(AD7865-1) and 0～5V, 0～2.5V(AD7865-2)
 14-bit resolution
 Sampling Rate: 3Hz～80KHz
 16 synchronization analog inputs
 Channels No: 16-channel (software-selectable, channel selection by setting the sampling array)
 Analog Input Mode: 16-channel single end and 16-channel double end
 Memory Depth: 8K character memory
 Memory Signs: full, non-empty and half-full
 Trigger Mode: software trigger, hardware trigger(external trigger)
 Trigger Type: level trigger , edge trigger
 Trigger Direction: negative, positive, positive and negative trigger
 Trigger Source: ATR, DTR, TRIG0, TRIG1, TRIG7 and STAR
 Analog Trigger Source (ATR)Input Range: ±5V
 Trigger Source DTR Input Range: standard TTL level
 Programmable Gain: 1, 2, 4, 8 times (AD8251)or 1, 2, 5, 10 times (AD8250) or 1, 10, 100, 1000 times (AD8253)
 Operating Temperature Range: －40℃ ～ +85℃
 Storage Temperature Range: －40℃ ～ +120℃