TS472：Very low noise microphone preamplifier with 2.0V bias output with active low stdby mode
The TS472 is a differential-input microphone preamplifier optimized for high-performance PDA and notebook audio systems.
This device features an adjustable gain from 0 to 40 dB with excellent power-supply and commonmode rejection ratios. In addition, the TS472 has a very low noise microphone bias generator of 2 V.
It also includes a complete shutdown function, with active low standby mode.
Key Features
- Available in flip-chip lead-free package and in QFN24 4 x 4 mm package
- Low noise 2.0 V microphone bias output
- ESD protection (2 kV)
- 40 kHz bandwidth regardless of the gain
- Low distortion: 0.1% typ.
- Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz
- 2.2 to 5.5 V single supply operation
- Fully-differential input/output
- Fast start up time at 0 dB: 5 ms typ.
- Active low standby mode function (1 μA max)
- Low power consumption at 20 dB: 1.8 mA
Product Specifications
Application Notes
Presentations
Brochures
Solution Evaluation Tools
| Part Number | Manufacturer | Description |
|---|
| STEVAL-CCA023V1 | | Demonstration board for low noise microphone preamplifier with 2 V bias based on the TS472 |
Sample & Buy
| Part Number | Package | Packing Type | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | Unit Price (US$)
* | Quantity | ECCN (EU) | ECCN (US) | Country of Origin |
|---|
| TS472IQT | VFQFPN2 24 4x4x1.0 | Tape And Reel | -40 | 85 | 0.763 | 1000 | NEC | EAR99 | PHILIPPINES |
| TS472EIJT | Chip Scale Package 0.5mm pitch | Tape And Reel | -40 | 85 | 0.63 | 1000 | NEC | EAR99 | CHINA |
Quality & Reliability
