U 964

4in,IEPE,Shuttle
U 964 DAQ card for sound test.
4 channels analog signal input,can be choose enable / disable IEPE excitation power, ideally for microphone, artificial ear, accelerometer and other IEPE power sensors.
The product has rich channel resources and excellent indicators, which can meet the acoustic test of mass production of consumer products. It is an extremely cost-effective audio analyzer.

Specifications

AI Specifications

AI Parameters
ADC Precision	24 Bit
ADC Type	Δ-Σ
Sample Rate Range Hz	1k - 192k
FIFO	1024
Mode Of Data Transmission	DMA
Input Range	+/- 1Vrms
Gain Error	+/- 0.03dB
Input Impedance	The Insulation Resistance Between The Positive Input Terminal And Ground Is 1M Ohms
Flatness	20Hz - 20kHz，＜+/-1 dB 10Hz - 60KHz，＜+/-3dB

AI Idle Noise (uVrms)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	18.6	24.0	92.7
ps：[1]Short Circuit Source Impedance < 50 ohm，Working Temperature 23±5℃

AI SNR (dB)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	99	97	88
PS：[1]Signal Input, AC Coupled, Input Signal 1kHz Sine Wave, 0dBFS（1Vrms） [2]Bandwidth, 20Hz - 20kHz

AI Dynamic Range (dB)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	94	92	80
PS：[1]Signal Input, AC Coupled, Input Signal 1kHz Sine Wave, 0dBFS（1Vrms） [2]Nyquist Bandwidth

AI THD+N (dB)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	-84.5	-84.5	-73
PS：[1]Signal Input, AC Coupled, Input Signal 1kHz Sine Wave, -1dBFS（0.89Vrms） [2]Bandwidth, 20Hz - 80kHz

AI THD (dB)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	-105.3	-105.3	-88
PS：[1]Signal Input, AC Coupled, Input Signal 1kHz Sine Wave, -1dBFS（0.89Vrms） [2]Bandwidth 20Hz - 80kHz

AI Cross Talk (dB)
Sample Rate	fs=48kS/s	fs=96kS/s	fs=192kS/s
Typical Value	-95	-95	-94
PS：[1]Signal Input, AC Coupled, Input Signal 1kHz Sine Wave, -1dBFS（0.89Vrms） [2]Bandwidth 20Hz - 20kHz

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