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STMicroelectronics Demonstration Board for Low Noise Microphone Preamplifier with TS472, 2.0 V Bias, RoHS STEVAL-CCA023V1
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | STMicroelectronics |
| Model | STEVAL-CCA023V1 |
| For Use With | Low Noise Microphone Preamplifier |
| Standards/Approvals | RoHS Compliant |
| Kit Classification | Demonstration Board |
| Featured Device | TS472 |
| Kit Name | Demonstration Board for Low Noise Microphone Preamplifier |
| Analogue Function | Microphone Preamplifier |
| Low distortion | 0.1% typ |
| Fast start up time @ 0dB | 5 ms typ |
Key Features
- Provides 2.0 V bias voltage and active low standby mode operation.
- Gain of the TS472 device can be customized for different test conditions.
- Supports electret microphone biasing either externally or using the built-in 2.0 V bias.
- Features low distortion of 0.1% typical and low noise of 10 nV/√Hz at 1 kHz frequency.
- Operates with a single supply voltage from 2.2 V to 5.5 V.
- Includes ESD protection up to 2 kV for robust performance.
- Bandwidth of 40 kHz at -3 dB suitable for audio applications.
- Fast startup time of 5 ms at 0 dB and low power consumption at 1.8 mA when gain is 20 dB.
Product Description
STMicroelectronics STEVAL-CCA023V1 Demonstration Board is tailored for precision evaluation of the TS472 low noise microphone preamplifier featuring a 2.0 V bias supply and an active low standby mode. Designed for industrial and laboratory use, this board enables customized testing by adjusting the preamplifier gain and supports biasing electret microphones either externally or through the built-in bias voltage.
The TS472 device integrates a robust low noise performance with an equivalent input noise of 10 nV/√Hz at 1 kHz, ensuring clear audio signal amplification with minimal interference. The demonstration board operates over a single supply voltage ranging from 2.2 V to 5.5 V, making it adaptable for various power scenarios.
The board includes 2 kV ESD protection, providing reliability in harsh environments. It features a bandwidth of 40 kHz at -3 dB to support a wide range of audio frequencies, while maintaining low distortion at 0.1% typical value, ideal for sensitive microphone applications.
Further benefits include a fast startup time of 5 ms at 0 dB gain and active low standby mode which limits power consumption to a maximum of only 1 μA, with typical current usage at 1.8 mA for a gain of 20 dB.
2.0 V microphone bias output with low noise characteristics. Configurable gain for precise signal amplification. Low distortion and noise levels suited for audio development. Fast startup and low power consumption enhance system efficiency.
Robust ESD protection for reliable operation. Single supply voltage simplifies integration. Ideal for development, laboratory testing, and industrial applications involving microphone preamplification. This product is compliant with RoHS standards and manufactured in Italy, ensuring quality and environmental safety.
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Frequently Asked Questions
The demonstration board operates with a single supply voltage ranging from 2.2 V to 5.5 V.
The TS472 device features a typical distortion level of 0.1%.
The startup time at 0 dB gain is typically 5 ms.
It supports electret microphone biasing either externally or using the built-in 2.0 V bias.
The bandwidth of the preamplifier is 40 kHz at -3 dB, suitable for audio applications.
The equivalent input noise level is 10 nV/√Hz at 1 kHz frequency.
The typical current usage at a gain of 20 dB is 1.8 mA.
Yes, the board includes ESD protection up to 2 kV for robust performance.
Yes, it is RoHS compliant, ensuring adherence to environmental safety standards.
The country of origin for this product is Italy.
This demonstration board is ideal for development, laboratory testing, and industrial applications involving microphone preamplification.
The model number of this demonstration board is STEVAL-CCA023V1.
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