ITC-AU501 Constant Current Source
ITC-AU501 is a 4-channel power supply device for microphones, artificial ears and accelerometers in acoustic testing.
Product Overview
Supports 4-channel IEPE powered sensors. x1/x10 gain switch. Compatible with mainstream DAQ cards and sound cards.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | ITC‑AU501 Constant‑Current Source |
| IEPE Channels | 4 |
| Operating Voltage | 5 V |
| Dimensions (mm) | 264.5 × 161 × 78.6 |
| Interface Type | BNC |
| Operating Temperature | ‑20℃ ~ 50℃ |
| IEPE Excitation Amplifier Specifications | |
| Input Impedance | 1 MΩ |
| Output Impedance | 100 Ω |
| Frequency Response | 5 Hz ~ 80 kHz (‑3 dB) |
| Noise Floor | <‑100 dBV (A‑weighted) |
| IEPE Constant‑Current Output | 4 mA |
| Audio Amplifier Gain | 0 dB (×1); +20 dB (×10); |
| THD+N | (5 Hz ~ 80 kHz) < 0.05% |