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  • 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.

    主要特性

    • 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

样片和购买

产品型号
封装
包装类型
温度(ºC) 供货状态
预算价格(US$)
数量
ECCN (US)
更多信息
从分销商订购
从ST订购
min
max
TDA7721TR TSSOP28 9.7 x 4.4 Tape And Reel - -
批量生产
1.8 1000 EAR99
更多信息

Country of Origin:

TAIWAN

没有经销商,请联系我们的销售办事处
TDA7721 TSSOP28 9.7 x 4.4 Tube - -
NRND
1.8 1000 EAR99
更多信息

Country of Origin:

-

没有经销商,请联系我们的销售办事处

TDA7721TR

封装

TSSOP28 9.7 x 4.4

包装类型

Tape And Reel

单价(US$)

1.8*

Operating Temperature (°C)

(min)

-

(max)

-

供货状态

批量生产

单价(US$)

1.8

数量

1000

ECCN (US)

EAR99

Country of Origin

TAIWAN

TDA7721

封装

TSSOP28 9.7 x 4.4

包装类型

Tube

单价(US$)

1.8*

Operating Temperature (°C)

(min)

-

(max)

-

供货状态

NRND

单价(US$)

1.8

数量

1000

ECCN (US)

EAR99

Country of Origin

-

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

适合您的资源

00 选择要下载的文档

技术文档

    • 描述 版本 文档大小 操作
      DS10001
      5 band car audio processor
      3.1
      956.88 KB
      PDF
      DS10001

      5 band car audio processor

产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
TDA7721
NRND
TSSOP28 9.7 x 4.4 汽车 Ecopack2
TDA7721TR
批量生产
TSSOP28 9.7 x 4.4 汽车 Ecopack2

TDA7721

Package:

TSSOP28 9.7 x 4.4

Material Declaration**:

PDF

Marketing Status

NRND

Package

TSSOP28 9.7 x 4.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

TDA7721TR

Package:

TSSOP28 9.7 x 4.4

Material Declaration**:

PDF

Marketing Status

批量生产

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.

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