TDA7721

NRND

5 band car audio processor

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Product overview

Description

The TDA7721 is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audio processor with fully integrated audio filters and new SoftStep architecture. The digital control allows programming in a wide range of filter characteristics.
  • All features

    • Input multiplexer
      • QD1 to QD2: quasi-differential stereo input
      • SE1 to SE3: stereo single-ended input
    • InGain
      • 6 dB with 1 dB steps
    • Loudness
      • 2ndorder frequency response
      • Programmable center frequency (400 Hz / 800 Hz / 2400 Hz)
      • 15 dB with 1 dB steps
      • Selectable high frequency boost
      • Selectable flat-mode (constant attenuation)
    • Volume
      • +23 dB to -79 dB with 1 dB step resolution
      • SoftStep control with programmable blend times
    • EQ1
      • 2ndorder frequency response
      • Center frequency programmable in 4 steps (63 Hz / 80 Hz/ 100 Hz /125 Hz)
      • Q programmable in 4 steps (1.0/1.25/1.5/2.0)
      • -15 to 15 dB range with 1 dB resolution
    • EQ2
      • 2ndorder frequency response
      • Center frequency programmable in 4 steps (200 Hz/ 250 Hz/ 315 Hz/ 400 Hz)
      • Q programmable in 4 steps (1.0/1.25/1.5/2.0)
      • -15 to 15 dB range with 1 dB resolution
    • EQ3
      • 2ndorder frequency response
      • Center frequency programmable in 4 steps (630 Hz/ 800 Hz/ 1 kHz/ 1.25 kHz)
      • Q programmable in 4 steps (0.75/1.0/1.25/2)
      • -15 to 15 dB range with 1 dB resolution
    • EQ4
      • 2ndorder frequency response
      • Center frequency programmable in 4 steps (2 kHz/ 2.5 kHz/ 3.15 kHz/ 4 kHz)
      • Q programmable in 4 steps (0.75/1.0/1.25/2)
      • -15 to 15 dB range with 1 dB resolution
    • EQ5
      • 2ndorder frequency response
      • Center frequency programmable in 4 steps (6.3 kHz/ 8 kHz / 10 kHz/ 12.5 kHz)
      • Q programmable in 4 steps (0.75/1.0/1.25/2)
      • -15 to 15 dB range with 1 dB resolution
    • Highpass
      • 2ndorder frequency response
      • Center frequency programmable in 5 steps (63 Hz / 100 Hz / 120 Hz / 150 Hz/ 180 Hz)
    • Subwoofer
      • 2ndorder low pass filter
      • Programmable cut off frequency
      • (55 Hz / 85 Hz / 120 Hz / 160 Hz)
    • Speaker
      • 6 independent soft step speaker controls
      • +15 dB to -79 dB with 1 dB steps
      • Three selectable output DC level
      • Direct mute
    • Mute functions
      • Direct mute
      • Digitally controlled SoftMute with 4 programmable mute-times
      • (0.48 ms / 0.96 ms / 8 ms / 16 ms)
    • Offset detection
      • Offset voltage detection circuit for on-board power amplifier failure diagnosis

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STMicroelectronics - TDA7721

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TDA7721TR
NRND
TSSOP-28 Automotive Ecopack2

TDA7721TR

Package:

TSSOP-28

Material Declaration**:

PDF

Marketing Status

NRND

Package

TSSOP-28

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
TDA7721TR No availability of distributors reported, please contact our sales office
NRND
EAR99 NEC Tape And Reel TSSOP-28 - - PHILIPPINES 1.8 / 1k

TDA7721TR

Marketing Status

NRND

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.8 / 1k

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

TSSOP-28

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.8 / 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