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  • The TDA7718N is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audioprocessor with fully integrated audio filters and new Soft Step architecture. The digital control allows programming in a wide range of filter characteristics.

    Key Features

    • Offset detectionOffset voltage detection circuit for on-board power amplifier failure diagnosis
    • Mute functionsDirect muteDigitally controlled SoftMute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms)
    • Speaker4 independent soft step speaker controls+15 dB to -79 dB with 1 dB stepsDirect mute
    • Treble2nd order frequency response (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)Center frequency programmable in 4 steps (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)-15 dB to 15 dB with 1 dB resolution
    • Input multiplexerQD1: quasi-differential stereo inputsSE1: stereo single-ended inputSE2: stereo single-ended inputSE3: stereo single-ended inputFD1 / SE4+SE5: 1 full-differential input or 2 stereo single-ended inputs
    • Volume+23 dB to -31 dB with 1 dB step resolutionSoft-step control with programmable blend times
    • Loudness2nd order frequency responseProgrammable center frequency (400 Hz / 800 Hz / 2400 Hz)15 dB with 1 dB stepsSelectable high frequency boostSelectable flat-mode (constant attenuation)
    • Middle2nd order frequency responseCenter frequency programmable in 4 steps (500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz)Q programmable 0.75/1.0/1.25-15 dB to 15 dB range with 1 dB resolution
    • Subwoofer2nd order low pass filter with programmable cut off frequency (55 Hz / 85 Hz / 120 Hz / 160 Hz)2 independent soft step level control, +15 dB to –79 dB with 1 dB steps
    • Bass2nd order frequency responseCenter frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz)Q programmable 1.0/1.25/1.5/2.0DC gain programmable-15 dB to 15 dB range with 1 dB resolution

Circuit Diagram

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Technical Documentation

    • Description Version Size Action
      DS6537
      3 band car audio processor
      2.0
      422.29 KB
      PDF
      DS6537

      3 band car audio processor

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TDA7718N
Active
TSSOP28 9.7 x 4.4 Automotive Ecopack2
TDA7718NTR
Active
TSSOP28 9.7 x 4.4 Automotive Ecopack2

TDA7718N

Package:

TSSOP28 9.7 x 4.4

Material Declaration**:

PDF

Marketing Status

Active

Package

TSSOP28 9.7 x 4.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

TDA7718NTR

Package:

TSSOP28 9.7 x 4.4

Material Declaration**:

PDF

Marketing Status

Active

Package

TSSOP28 9.7 x 4.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) 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
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
TDA7718N Available at 2 distributors

Distributor availability ofTDA7718N

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 900 1 Order Now
MOUSER WORLDWIDE 600 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

900

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

600

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-10

Buy now
Active
EAR99 NEC Tube TSSOP28 9.7 x 4.4 - - PHILIPPINES 1.7 / 1k
TDA7718NTR Available at 4 distributors

Distributor availability ofTDA7718NTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 727 1 Order Now
Newark Element14 AMERICA 329 0 Order Now
MOUSER WORLDWIDE 1890 1 Order Now
Farnell Element14 EUROPE 852 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

727

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

329

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1890

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

852

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-10

Buy now
Active
EAR99 NEC Tape And Reel TSSOP28 9.7 x 4.4 - - PHILIPPINES 1.7 / 1k

TDA7718N

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.7 / 1k

Distributor availability ofTDA7718N

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 900 1 Order Now
MOUSER WORLDWIDE 600 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

900

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

600

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-10

ECCN (EU)

NEC

Packing Type

Tube

Package

TSSOP28 9.7 x 4.4

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.7 / 1k

Country of Origin

PHILIPPINES

TDA7718NTR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.7 / 1k

Distributor availability ofTDA7718NTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 727 1 Order Now
Newark Element14 AMERICA 329 0 Order Now
MOUSER WORLDWIDE 1890 1 Order Now
Farnell Element14 EUROPE 852 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

727

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

329

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1890

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

852

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-08-10

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

TSSOP28 9.7 x 4.4

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.7 / 1k

Country of Origin

PHILIPPINES

(*) 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