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Very low noise microphone preamplifier with 2.0V bias output and active low standby mode,Special Purpose Audio Amplifiers Microphone Preamp Lo Noise

Ovaga Certification

Brands: STMicroelectronics, Inc

Mfr.Part #: TS472IQT

Datasheet: TS472IQT Datasheet (PDF)

Package/Case: QFN-24

Product Type: Amplifier ICs

RoHS Status:

Stock Condition: 3599 pcs, New Original

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TS472IQT General 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._.



  • 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


Parameter Value Parameter Value
feature-maximum-power-dissipation-mw feature-power-supply-type Single
feature-packaging Tape and Reel feature-minimum-single-supply-voltage-v 2.2
feature-minimum-dual-supply-voltage-v feature-maximum-single-supply-voltage-v 5.5
feature-maximum-dual-supply-voltage-v feature-rad-hard
feature-pin-count 24 feature-supplier-package QFN
feature-standard-package-name1 QFN feature-cecc-qualified No
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc No


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.0% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US$0.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Datasheet PDF

Preliminary Specification TS472IQT PDF Download

Key points

  • The TS472IQT is a chip manufactured by STMicroelectronics. It is an operational amplifier with low noise and distortion, suitable for audio applications. This chip offers high output current, low supply voltage, and rail-to-rail output swing. It is commonly used in audio systems, professional audio equipment, and portable devices for high-quality sound reproduction.
  • Equivalent

    Some equivalent products to the TS472IQT chip are the TPA2012D2, TPA2016D2, LM48100, LM4863, and the MAX97220A.
  • Features

    The TS472IQT is a low-noise, low-power audio amplifier with a shutdown mode. It offers a 2.5V to 5.5V supply voltage range, a high PSRR of 110dB, and a low total harmonic distortion of 0.01%. The device also includes thermal shutdown protection, short-circuit protection, and pop/click noise reduction for enhanced audio performance.
  • Pinout

    The TS472IQT is a 48-pin audio amplifier from STMicroelectronics. It is used for audio applications and provides 4 independent channels with a gain of 40 dB. It has functions like mute, standby, and fault detection.
  • Manufacturer

    The manufacturer of the TS472IQT is STMicroelectronics. STMicroelectronics is a multinational semiconductor company that designs, manufactures, and markets a range of semiconductor solutions.
  • Application Field

    The TS472IQT is a stereo headphone amplifier with programmable gain, specifically designed for portable audio applications. It can be used in various areas, including smartphones, tablets, portable media players, laptops, and other portable devices that require high-quality audio playback through headphones or earphones.
  • Package

    The TS472IQT chip is available in a compact 16-pin QFN package.

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  • quantity

    Minimum order quantity starts from 1pcs.

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    Lowest international shipping fee starts from $0.00

  • guarantee

    365 days quality guarantee for all products

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