Audio Analyzer

Audio Analyzer

• Resolution: 24 Bits

• Sampling Rate: 192 KHz

• Input/Output of analog/digital audio signals

Description

  Application Scenarios

• Audio signal analysis: amplitude, frequency, duty cycle, THD, THD+N, etc.

• Analog audio testing: headphone, microphone, loudspeaker, crosstalk, etc.

• Digital audio testing: PDM/TDM testing of tablets, laptops, and wearable

  Specifications

Model SG2625-DA01PC SG2625-DA02PC SE2125-DA02
Channel 1× Single-Ended Input    1× Single-Ended Output 1× Differential Input       1× Differential Output 1× Single-Ended Input      1× Differential Output

Audio Analyzer

Input Impedance 10 TΩ 10 TΩ 1 MΩ
Input Range 3.5 Vrms 2 Vrms Single-Ended: 20 Vrms  Differential: 35 Vrms
Coupling DC AC DC
Bandwidth 20 kHz 75 kHz Single-Ended: 300 kHz – 1 MHz Differential: 20 kHz
ADC Resolution 24 Bits 24 Bits Single-Ended: 12 Bits  Differential: 24 Bits
Sampling Rate ≤ 192 kHz ≤ 192 kHz Single-Ended: ≤ 40 MHz  Differential: ≤ 192 kHz
THD Measurement ≤ -106 dB (2 Vrms @ 1 kHz) ≤ -106 dB (2 Vrms @ 1 kHz) ≤ -95 dB (2 Vrms @ 1 kHz)
THD+N Measurement ≤ -82 dB (2 Vrms @ 1 kHz) ≤ -83 dB (2 Vrms @ 1 kHz) ≤ -82 dB (2 Vrms @ 1 kHz)
Measurement Accuracy Voltage 100 mVrms: ± (1% of Reading +0.005% of F.S.) 100 mVrms: ± (1% of Reading +0.02% of F.S.) 35 Vrms: ± (1% of Reading +0.2% of F.S.)
3.5 Vrms: ± (0.3% of Reading +0.005% of F.S.) 2 Vrms: ± (0.7% of Reading +0.005% of F.S.) 20 Vrms: ± (0.7% of Reading +0.06% of F.S.)
Frequency ± 55 ppm ± 55 ppm ± 55 ppm

Audio Generator

Output Impedance Low-Z Low-Z
Output Range 2.3 Vrms 2.3 Vrms
Coupling AC AC
DAC Resolution 24 Bits 24 Bits
DAC Refresh Rate ≤ 192 kHz ≤ 192 kHz
Sine Frequency Range 10 Hz – 55 kHz 10 Hz – 50 kHz
THD Output ≤ -104 dB (1 Vrms @ 1 kHz) ≤ -106 dB (1 Vrms @ 1 kHz)
THD+N Output ≤ -102 dB (1 Vrms @ 1 kHz) ≤ -102 dB (1 Vrms @ 1 kHz)
Output Accuracy Voltage ≤ 100 mVrms: ± 0.5% of Reading + 0.005% of F.S. ≤ 100 mVrms: 0.1% of Reading + 0.001% of F.S.
≤ 3.5 Vrms: ± 0.1% of Reading + 0.005% of F.S. ≤ 3.5 Vrms: 0.1% of Reading + 0.005% of F.S.
Frequency ± 10 ppm ± 10 ppm
Digital Interface I²S, I²C I²S, I²C Parallel Interface, I²S, I²C

 

Specification

Weight 1 kg
Dimensions 1 × 1 × 1 cm