FDA801B

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4 x 50 W class-D digital input power amplifier with I2C diagnostics, digital impedance meter (DIM) and low voltage operation

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Product overview

Description

FDA801B is a new BCD technology quad BRIDGE class D amplifier, specially intended for automotive applications.

Thanks to the technology used, it is possible to integrate a high performance D/A converter together with powerful MOSFET outputs in class D, to get an outstanding efficiency compared with the standard class AB.

The integrated D/A converter allows to reach outstanding performances (110 dB S/N ratio with 108 dB of dynamic range). The feedback loop includes the output L-C low-pass filter, allowing superior frequency response linearity and lower distortion independently from the inductor and capacitor quality.

FDA801B is fully configurable through I2C bus interface and integrates a full diagnostics array specially intended for automotive applications. Thanks to the solutions implemented to contain EMI emissions, the device is intended to be used in the standard single DIN car-radio box together with the tuner.

Moreover FDA801B is able to work with power supply as low as 6 V, thus supporting the most recent low voltage ('start-stop') car-makers specification.

  • All features

    • 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
    • Class-D channels with 93% efficiency
    • EMI control for AM compatibility
    • EMI compliance evaluated following normative IEC61967-4 and IEC62132-4
    • Low radiation function (LRF)
    • Idle tones free DAC
    • Output lowpass filter included in the feedback allowing lower cost filter components
    • Max. output power
      • 4 x 50 W/4 Ω @ 15.2 V, 1 kHz
    • High output power capability
      • 28 W/4 Ω 10 % THD, Vd = 14.4 V
    • Full I2C bus driving (3.3/1.8 V):
      • Channels independent tristate
      • Channel independent soft play/mute
      • I2C bus diagnostics , including DC and AC load detection and load value recognition (DIM)
    • Integrated fault protection
    • Input and output offset detector
    • Clipping detector
    • ESD protection
    • 6 V operation (“Start - Stop” engines compatibility)
    • 2 and 1 Ω load driving capability

EDA Symbols, Footprints and 3D Models

STMicroelectronics - FDA801B

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
FDA801B-VYT
Active
LQFP Automotive Ecopack2
FDA801B-VYY
Active
LQFP Automotive Ecopack2

FDA801B-VYT

Package:

LQFP

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP

Grade

Automotive

RoHS Compliance Grade

Ecopack2

FDA801B-VYY

Package:

LQFP

Material Declaration**:

PDF XML

Marketing Status

Active

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.

Sample & Buy

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FDA801B-VYY Available at distributors

Distributor availability of FDA801B-VYY

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Active
EAR99 NEC Tray LQFP -40 105 MALAYSIA
FDA801B-VYT Available at distributors

Distributor availability of FDA801B-VYT

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape and Reel LQFP -40 105 MALAYSIA

FDA801B-VYY Active

Package:
LQFP
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

FDA801B-VYY

ECCN (EU):

NEC

Packing Type:

Tray

Operating Temperature (°C)

Min:

-40

Max:

105

Country of Origin:

MALAYSIA

FDA801B-VYT Active

Package:
LQFP
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

FDA801B-VYT

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

105

Country of Origin:

MALAYSIA

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