Product overview
Description
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.
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All 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
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - TS472
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3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TS472EIJT | Active | CSP P 0.5 mm | Industrial | Ecopack3 | |
| TS472IQT | Active | VFQFPN2 24 4x4x1.0 | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||
| TS472IQT | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| TS472EIJT | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
TS472IQT Active
TS472EIJT Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors