TS472

Active

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

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  • 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

Recommended for you

Related Applications

Evaluation Tools

    • Part Number

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

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS4136
      Very low noise microphone preamplifier with 2.0 V bias output and active low standby mode
      6.1
      687.95 KB
      PDF
      DS4136

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

    • Description Version Size Action
      AN4598
      Pre-amplifying the analog output of a MEMS microphone
      1.0
      325.46 KB
      PDF
      AN2240
      Using the demonstration board for the TS472 low noise microphone preamplifier with 2 V bias
      4.2
      236.53 KB
      PDF
      AN4598

      Pre-amplifying the analog output of a MEMS microphone

      AN2240

      Using the demonstration board for the TS472 low noise microphone preamplifier with 2 V bias

    • Description Version Size Action
      AN2240
      Using the demonstration board for the TS472 low noise microphone preamplifier with 2 V bias
      4.2
      236.53 KB
      PDF
      AN2240

      Using the demonstration board for the TS472 low noise microphone preamplifier with 2 V bias

Presentations & Training Material

    • Description Version Size Action
      ST offering in Wearable - Analog and Mixed Signal Portfolio 3.0
      1.47 MB
      PDF

      ST offering in Wearable - Analog and Mixed Signal Portfolio

Publications and Collaterals

    • Description Version Size Action
      ST’s solutions for mobile devices 3.2
      2.13 MB
      PDF

      ST’s solutions for mobile devices

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TS472EIJT
Active
Chip Scale Package 0.5mm pitch Industrial Ecopack3
TS472IQT
Active
VFQFPN2 24 4x4x1.0 Industrial Ecopack3

TS472EIJT

Package:

Chip Scale Package 0.5mm pitch

Material Declaration**:

PDF XML

Marketing Status

Active

Package

Chip Scale Package 0.5mm pitch

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

Part Number
Order from Distributors
Order from ST
Package
Packing Type
Temperature (°C) Marketing Status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
min
max
TS472IQT Available at 7 distributors

Distributor availability ofTS472IQT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10344 1 Order Now
RS COMPONENTS EUROPE 4060 1 Order Now
FUTURE WORLDWIDE 8000 4000 Order Now
ARROW EUROPE 4000 0 Order Now
Newark Element14 AMERICA 644 0 Order Now
MOUSER WORLDWIDE 7050 1 Order Now
Farnell Element14 EUROPE 6988 1 Order Now

Distributor reported inventory date: 2020-07-02

Distributor Name

DIGIKEY

Stock

10344

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4060

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

8000

Min.Order

4000

Region

WORLDWIDE Order Now

ARROW

Stock

4000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

644

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

7050

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6988

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-02

Buy now VFQFPN2 24 4x4x1.0 Tape And Reel -40 85
Active
EAR99 PHILIPPINES 0.763 / 1k
TS472EIJT Available at 1 distributors

Distributor availability ofTS472EIJT

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 99 1 Order Now

Distributor reported inventory date: 2020-07-02

Distributor Name

MOUSER

Stock

99

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-02

Buy now Chip Scale Package 0.5mm pitch Tape And Reel -40 85
Active
EAR99 CHINA 0.63 / 1k

TS472IQT

Package

VFQFPN2 24 4x4x1.0

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.763 / 1k

Distributor availability ofTS472IQT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10344 1 Order Now
RS COMPONENTS EUROPE 4060 1 Order Now
FUTURE WORLDWIDE 8000 4000 Order Now
ARROW EUROPE 4000 0 Order Now
Newark Element14 AMERICA 644 0 Order Now
MOUSER WORLDWIDE 7050 1 Order Now
Farnell Element14 EUROPE 6988 1 Order Now

Distributor reported inventory date: 2020-07-02

Distributor Name

DIGIKEY

Stock

10344

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4060

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

8000

Min.Order

4000

Region

WORLDWIDE Order Now

ARROW

Stock

4000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

644

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

7050

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6988

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-02

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.763 / 1k

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

TS472EIJT

Package

Chip Scale Package 0.5mm pitch

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.63 / 1k

Distributor availability ofTS472EIJT

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 99 1 Order Now

Distributor reported inventory date: 2020-07-02

Distributor Name

MOUSER

Stock

99

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-02

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.63 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors