VTI Instruments EX1629 - Page 20

VTI Instruments Corp.
20 EX1629 Introduction
VOLTAGE MEASUREMENTS
Gain
Range
Gain Accy
1
Offset Accy
1
Gain TC
2
Offset TC
2
100
±150 mV
±0.025%
±15 V
±30 ppm/ºC
±2 µV/ºC
10
±1.5 V
±0.025%
±100 µV
±30 ppm/ºC
±12.5 µV/ºC
1
±15 V
±0.025%
±700 µV
±30 ppm/ºC
±125 µV/ºC
Note 1: Conditions:
<30 days, ±5 ºC from last self-calibration
15 ºC to 35 ºC, 1 year from full calibration
60 minute warm-up
Exclusive of noise
Note 2: Only applies outside of self-calibration window.
INPUT CHARACTERISTICS
INPUT IMPEDANCE (dc)
10 GΩ
INPUT BIAS CURRENT
10 nA maximum
INPUT PROTECTION
±25 V
COMMON MODE INPUT RANGE
±15 V
CMRR (dc TO 60 Hz)
120 dB typical, 110 dB minimum (Gain = 100)
FILTERING
ANALOG ANTI-ALIAS LPF
60 kHz 1-pole per channel
DIGITAL FIR FILTERING
Passband ripple
f
s
≥ 3125 Hz
f
s
< 3125 Hz
Alias rejection
Achieves desired sampling frequency by decimation from 50000 Sa/s.
±0.01 dB
±0.001 dB
100 dB
DIGITAL IIR FILTERING
Configuration options per channel
Type (Bessel, Butterworth, None)
Cut-off frequency (0.001 Hz to 4005 Hz)
Transform (Bilinear or Matched Z)
Order (1-10)
WIDEBAND OUTPUTS
CHANNELS
1 per input channel
CONNECTORS
(3) 44-pin male D-sub
MAXIMUM OUTPUT VOLTAGE
±15 V
OUTPUT IMPEDANCE
150 Ω
Gain
Gain Accy
Offset Accy (RTI)
Bandwidth (-3 dB)
100
±0.15%
±150 µV
> 100 kHz
10
±0.15%
±500 µV
> 150 kHz
1
±0.15%
±5 mV
> 150 kHz