AMX AXP-AI8 ANALOG 8-INPUT BOARD Manual de usuario descargar pdf (Pagina 9)

DNA/DNR-AI-217 Simultaneous Sampling Differential Analog Input Board

Chapter 1 5

Introduction

Tel: 508-921-4600 www.ueidaq.com Vers: 4.5

Date: April 2013 DNx-AI-217 Chap1x.fm

United Electronic Industries, Inc.

1.4 Specification The technical specification for the DNx-AI-217 board are listed in Table 1-1.

Table 1-1. DNx-AI-217-1 Technical Specifications

Number of channels: 16 fully dierential plus

1 single-ended dedicated CJC channel

ADC resolution / type 24 bits / SAR. (AD7766)

Sampling rate 120 kS/s per channel (max);

480 kS/s max aggregate for entire board

Input bias current < 2 nA typical

Input offset <4 μV; G=1, <2μV; G=2, <1 μV; G>2 (@ 25°C)

(-40°C to +85°C spec is 2.5 times 25°C oset)

Input INL error < 0.00004 % (40 ppm) max

Input impedance 100 MΩ (min)

Input range ±10 Volt (gain = 1)

Input resolution 1.19 μV (gain = 1), 18.6 nV (gain = 64)

Gains 1, 2, 4, 8, 16, 32, 64

Common mode rejection 110 dB typical

Chan to Chan crosstalk < 1 μVrms

Open input detection current 100 μA

Isolation 350 Vrms

Overvoltage protection -40V to +40V (power on or o)

Power o leakage current < 10 μA (-40V to + 40V)

Power consumption 2.2W max

Operating temp. (tested) -40°C to +85°C

Operating humidity 95%, non-condensing

Vibration IEC 60068-2-6

IEC 60068-2-64

5 g, 10-500 Hz, sinusoidal

5 g (rms), 10-500Hz, broadband random

Shock IEC 60068-2-27

50 g, 3 ms half sine, 18 shocks @ 6 orientations

30 g, 11 ms half sine, 18 shocks @ 6 orientations

MTBF 500,000 hours

Table 1-2. DNx-AI-217-803 Technical Specifications