STEVAL-CCA023V1

STEVAL-CCA023V1 demonstration board is designed as an evaluation platform for the TS472 differential input low noise microphone preamplifier with 2V bias and active low standby mode. It is optimised for high performance PDA and notebook audio systems. This device features an adjustable gain from 0 to 40dB with excellent power supply and common mode rejection ratios. It also includes a complete shutdown function, with active low standby mode. The board supports customization of the testing conditions, allowing the gain of the TS472 device to be adjusted, or an electret microphone to be biased either externally or using the TS472 built in 2V bias voltage.

• Low noise
• Fully differential input/output
• 2.2V to 5.5V single supply operation
• Low power consumption
• Fast start up time
• Low distortion
• 40KHz bandwidth at -3dB and adjustable gain
• Active low standby mode function
• Low noise 2V microphone bias output
• ESD protection (2kV)

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Audio

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