Datasheet

www.vishaymg.com [e-mail] Document Number: 11005
14 Revision 24-Aug-06
A2
Vishay Micro-Measurements
Signal Conditioning Amplifier System
Current:
50mA max. Over-current protected.
Load Regulation:
<0.05% of full scale for a load variation of 10% to 100% of
full load.
Temperature Stability:
Better than ±0.005%/°C
Bridge Balance:
99% of measurement range
Calibration:
Standard factory-installed resistors (±0.1%) simulate 5000
microstrain at GF=2 for 120, 350 and 1000 ohm quarter
bridge.
8 Channel Strain Gage Card Size:
15.13 inch W x 9 inch D [38.4cm W x 22.9cm D]
8 Channel Strain Gage Card Weight:
0.80lbs [0.36kg]
MODEL A2-TC-8-BX THERMOCOUPLE CARD
(Specify Model A2-TC-8-BW (with Butterworth filter
characteristics) or Model A2-TC-8-BS (with Bessel filter
characteristics).
These specifications apply for each of eight independent
channels of signal conditioning per removable card.
Amp Input:
Inputs:
Thermocouple types J, K, T, E, N, R, S, B. Built-in
electronic cold-junction compensation. Software-
selectable.
Input Impedance:
10MΩ differential, 100KΩ common mode
Source Current:
±5nA typical; ±10nA max.
Amplifier:
Zero Temperature Stability:
±1.7 µV/°C RTI*, ±100 µV/°C RTO**, after 30-minute
warm-up.
Input Range:
4 to 80mV full-scale input range (X2500 to X125) -
adjustable by software control per channel.
Output Range:
±10V into 600Ω minimum load (when powered from
15VDC)
DC Gain Accuracy & Stability:
±0.05%; ±50ppm/°C
Common-Mode Rejection (dc to 100Hz):
105dB typical
Common-Mode Voltage:
±10V typical
Bandpass:
Full Power Frequency response DC to 110kHz; -3dB.
(Filter not selected)
Slew Rate: 7V/µs
Dynamic Characteristics:
Noise RTI:
1 µVolt p-p at 0.1Hz to 10Hz;
6 µV rms at 0.1Hz to 110kHz.
Total Harmonic Distortion:
0.014% at 1kHz
Filter:
Type:
Software settable 5th order filter - DC to 40kHz: -3dB.
(Butterworth or Bessel characteristics)
Settings:
Wideband, 40kHz, 20kHz, 10kHz, 5kHz, 1kHz, 100Hz,
and 10Hz Software-programmable per channel.
8 Channel Thermocouple Card Size:
15.13 inch W x 9 inch D [38.4cm W x 22.9cm D]
8 Channel Thermocouple Card Weight:
0.80lbs [0.36kg]
MODEL A2-HL-8-BX HIGH LEVEL CARD
(Specify Model A2-HL-8-BW (with Butterworth filter
characteristics) or Model A2-HL-8-BS (with Bessel filter
characteristics).
These specifications apply for each of eight independent
channels of signal conditioning per removable card.
Amp Input:
Inputs:
DC voltage (differential)
Input Impedance:
>100MΩ
Source Current:
±5nA typical; ±10nA max.
Amplifier:
Zero Temperature Stability:
±1.7μV/°C RTI*, ±100μV/°C RTO**, after 30-minute
warm-up.
Input Range:
1 to 10V full-scale input range - adjustable by software
control per channel.