2x150 W - 1x300 W class D digital input automotive power amplifier with load value recognition and low voltage operation

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  • The FDA802B is a dual bridge class D amplifier, designed in the most advanced BCD technology specially intended for car radio applications.

    The FDA802B integrates a high performance D/A converter together with powerful MOSFET outputs in class D, to get an outstanding efficiency compared to the standard class AB.
    The integrated D/A converter allows to reach outstanding performances (110 dB S/N ratio with 110 dB of dynamic range).
    Thanks to the high-voltage MOSFET output stages it can operate both under standard car battery (6-18 V) and under boosted power supply (up to 50 V) to reach the highest possible power with integrated solution.
    The feedback loop is including the output L-C low-pass filter, allowing superior frequency response linearity and lower distortion independently from the inductor and capacitor quality.
    FDA802B is fully configurable through I2C bus interface and integrates a complete diagnostics array specially intended for automotive applications.
    Thanks to the solutions implemented to solve the EMI problems, the device is intended to be used in the standard single DIN car-radio box together with the tuner.
    Moreover FDA802B is able to work with power supply as low as 5.5 V, thus supporting the most recent low voltage ('start-stop') car-makers specification.
    The device provides a breakthrough innovative digital impedance-meter which is able to communicate via I2C the output load value.

    Key Features

    • AEC-Q100 (rev. G) qualified
    • Integrated 110 dB D/A conversion
    • I2S and TDM digital input (3.3/1.8 V)
    • Input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
    • Full I2C bus driving (3.3/1.8 V) with 8 different I2C bus addresses
    • EMI control for FM/AM compatibility
    • EMI compliance evaluated following normative IEC61967-4 and IEC62132-4
    • Low radiation function (LRF)
    • Very low quiescent current
    • Output low-pass filter included in the feedback allowing outstanding audio performances
    • Wide operating supply range: target 5.5 V-50 V
    • MOSFET power outputs allowing high output power capability under step-up voltage:
      • 2 x 120 W /4 Ω @ 35 V, 1 kHz THD = 1%(2 x150 W /4 Ω @ 35 V, 1 kHz THD =10%)
      • 2 x 140 W /8 Ω @ 50 V, 1 kHz THD = 1% (2 x180 W /8 Ω @ 50 V, 1 kHz THD =10%)
      • 2 x 270 W /8 Ω @ 50 V max output power
    • Operation under standard car battery with high output power:
      • 2 x 22 W /4 Ω @ 14 V, 1 kHz THD = 1%(2 x 28 W /4 Ω @ 14 V, 1 kHz THD = 10%)
      • 2 x 37 W /2 Ω @ 14 V, 1 kHz THD = 1%(2 x 46 W /2 Ω @ 14 V, 1 kHz THD = 10%)
    • Possibility to drive 2 Ω loads (until 18 V)
    • Independent channel operation
    • I2C bus diagnostics:
      • Short to Vcc/GND diagnostic (including soft shorts up to 1k Ω)
      • DC load diagnostic
      • AC load diagnostic (working both with internally generated and externally generated tone)
    • Integrated fault protection
    • Input and output offset detector
    • Clipping detector
    • Legacy mode ('no I2C' mode)
    • Short circuit and ESD integrated protections
    • Package: LQFP64 exposed pad up

样片和购买

产品型号
供货状态
数量
预算价格(US$)
封装
包装类型
ECCN (US)
Country of Origin
从分销商订购
从ST订购
FDA802B-VYY
批量生产
1000 7.3 LQFP Tray EAR99 ITALY 没有经销商,请联系我们的销售办事处
FDA802B-VYT
批量生产
1000 7.3 LQFP Tape And Reel EAR99 ITALY 没有经销商,请联系我们的销售办事处

FDA802B-VYY

供货状态

批量生产

数量

1000

单价(US$)

7.3*

单价(US$)

7.3

封装

LQFP

包装类型

Tray

ECCN (US)

EAR99

Country of Origin

ITALY

FDA802B-VYT

供货状态

批量生产

数量

1000

单价(US$)

7.3*

单价(US$)

7.3

封装

LQFP

包装类型

Tape And Reel

ECCN (US)

EAR99

Country of Origin

ITALY

(*) 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

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技术文档

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      DB3312
      2x150 W/1x300 W class D digital input automotive power amplifier with load value recognition and low voltage operation
      2.0
      297.6 KB
      PDF
      DB3312

      2x150 W/1x300 W class D digital input automotive power amplifier with load value recognition and low voltage operation

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      FDA Family – Full digital audio amplifiers for car infotainment systems 1.0
      911.83 KB
      PDF

      FDA Family – Full digital audio amplifiers for car infotainment systems

    • 描述 版本 文档大小 操作
      Power amplifiers and voltage regulators
      750.29 KB
      PDF

      Power amplifiers and voltage regulators

产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
FDA802B-VYT
批量生产
LQFP 汽车 Ecopack2
FDA802B-VYY
批量生产
LQFP 汽车 Ecopack2

FDA802B-VYT

Package:

LQFP

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

LQFP

Grade

Automotive

RoHS Compliance Grade

Ecopack2

FDA802B-VYY

Package:

LQFP

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

LQFP

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.