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AIO Product Manual
12
AIO-L Module
Microphone/Line Inputs
Four inputs with BNC connectors are available for connecting microphones or other
inputs. Input gain, IEPE constant current supply, and TEDS interfacing are software
controlled.
Full-Scale Input Voltage and Dynamic Range:
Gain
Setting
Full-Scale
Input Voltage
Dynamic Range
(A-weighted)
x1
± 8.75V
> 110dB
x10
± 875mV
> 105dB
x100
± 87.5mV
> 95dB
THDN (A-weighted):
<-95dB 20Hz
– 20kHz
Frequency Response:
± 0.5dB 20Hz
– 20kHz
Maximum Input Voltage:
± 15V (do not exceed)
Input Impedance:
1M
Ω
Constant Current Supply:
4mA / 21V excitation voltage
TEDS:
IEEE 1451.4 Class 1