TS472

Active
Design Win

Very low noise microphone preamplifier with 2.0V bias output with active low stdby mode

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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.

  • 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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All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      STEVAL-CCA023V1

      Active

      Demonstration board for low noise microphone preamplifier with 2 V bias based on the TS472

      Digital Consumer Solutions Eval Boards --
      STEVAL-CCA023V1

      Description:

      Demonstration board for low noise microphone preamplifier with 2 V bias based on the TS472

EDA Symbols, Footprints and 3D Models

STMicroelectronics - TS472

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Footprints

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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

TS472EIJT

Package:

CSP P 0.5 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

CSP P 0.5 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack3

TS472IQT

Package:

VFQFPN2 24 4x4x1.0

Material Declaration**:

PDF XML

Marketing Status

Active

Package

VFQFPN2 24 4x4x1.0

Grade

Industrial

RoHS Compliance Grade

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

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Part Number
Order from distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
TS472IQT Available at distributors

Distributor availability of TS472IQT

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape and Reel VFQFPN2 24 4x4x1.0 -40 85 PHILIPPINES
TS472EIJT Available at distributors

Distributor availability of TS472EIJT

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape and Reel CSP P 0.5 mm -40 85 CHINA

TS472IQT Active

Package:
VFQFPN2 24 4x4x1.0
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

TS472IQT

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

85

Country of Origin:

PHILIPPINES

Distributor Name

Distributor reported inventory date:

TS472EIJT Active

Package:
CSP P 0.5 mm
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

TS472EIJT

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

85

Country of Origin:

CHINA

Distributor Name

Distributor reported inventory date:

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(*) 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