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PDM analog source based on A2B, with 4-channel output

U 923M

  • PDM analog source based on A2B, with 4-channel output

  • U 923M is a PDM analog source specifically designed for in-vehicle A2B electroacoustic testing. With its excellent electrical characteristics and superior cost-effectiveness, it is highly suitable for in-vehicle A2B testing, such as testing of in-vehicle head units.

  • Description
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Description

Specifications

Parameters

Full Specifications

5V/400mA

Number of USB Shuttle Channels

4

External Analog Channels（Default upon Power-on ）

4

Bus Type

BNC

Product Dimension mm

96*33*140

Working Temperature

-20 - 50℃

Net Product Weight

0.32kg

Packaging Weight（Product+Packaging）

0.53kg

Packaging dimension（mm）

250*165*65


AO Channels Parameters

 Idle noise（dBFS）

Sample Ratefs=48kS/s
Typical Value-73dBFS

PS：[1]Input signal is 0Vrms or input is short-circuited

        [2]A-weighted measurement.

THD（dB）

Sample Ratefs=48kS/s
Typical Value-81dBFS

PS：[1]Single-ended input, AC-coupled, with a 1kHz sine wave input signal at 0.5Vrms (digital signal level at -10dBFS)

        [2]A-weighted measurement

THD+N（dB）

Sample Ratefs=48kS/s
Typical Value-78dBFS

PS：[1]Single-ended input, AC-coupled, with a 1kHz sine wave input signal at 0.5Vrms (digital signal level at -10dBFS)

        [2]A-weighted measurement

Cross talk（dB）

Sample Ratefs=48kS/s
Typical Value80dBFS

PS：[1]Single-ended input, AC-coupled, with a 1kHz sine wave input signal at 0.5Vrms (digital signal level at -10dBFS).

        [2]A-weighted measurement



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