Echo AIO-2 - Aio-A Module; Microphone;Line Inputs

AIO Product Manual
10
AIO-A 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: 1MΩ
Constant Current Supply: 4mA / 21V excitation voltage
TEDS: IEEE 1451.4 Class 1