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.
技术特性
- Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz
- Fully-differential input/output
- 2.2 to 5.5 V single supply operation
- Low power consumption at 20 dB: 1.8 mA
- Fast start up time at 0 dB: 5 ms typ.
- Low distortion: 0.1% typ.
- 40 kHz bandwidth regardless of the gain
- Active low standby mode function (1 μA max)
- Low noise 2.0 V microphone bias output
- Available in flip-chip lead-free package and in QFN24 4 x 4 mm package
- ESD protection (2 kV)
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功能框图
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TS472 订购信息
| 订购型号 |
产品状态 |
美金价格 |
数量 |
封装 |
包装形式 |
温度范围 |
材料声明 |
| TS472EIJT |
Active |
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CSPS0.5 11-16 |
Tape And Reel |
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TS472EIJT |
| TS472IQT |
Active |
|
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VFQFPN2 24 4x4x1.0 |
Tape And Reel |
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TS472IQT |
DATASHEET
| 下载 |
描述 |
版本 |
大小 |
| TS472 |
Very low noise microphone preamplifier with 2.0 V bias output and active low standby mode |
6 |
693KB |
APPLICATION NOTES
| 下载 |
描述 |
版本 |
大小 |
| AN2240 |
AN2240: Using the demonstration board for the TS472 low noise microphone preamplifier with 2 V bias |
4 |
239KB |
