Product overview
概要
The FDA802A is a dual bridge class D amplifier, designed in the most advanced BCD technology specially intended for car radio applications.
The FDA802A integrates 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 (115 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 includes the output L-C low-pass filter, allowing superior frequency response linearity and lower distortion independently from the inductor and capacitor quality.
FDA802A 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 FDA802A 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.
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All features
- AEC-Q100 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 CISPR25 (class V)
- 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
- Supply voltage monitoring on I2C
- MOSFET power outputs allowing high output power capability under step-up voltage:
- 2x120 W /4 Ω at 35 V, 1 kHz THD = 1%(2x150 W /4 Ω at 35 V, 1 kHz THD = 10%)
- 2x140 W /8 Ω at 50 V, 1 kHz THD = 1%(2x180 W /8 Ω at 50 V, 1 kHz THD = 10%)
- 2x270 W /8 Ω at 50 V max output power
- Operation under standard car battery with high output power:
- 2x22 W /4 Ω at 14 V, 1 kHz THD = 1%(2x28 W /4 Ω at 14 V, 1 kHz THD = 10%)
- 2x37 W /2 Ω at 14 V, 1 kHz THD = 1%(2x46 W /2 Ω at 14 V, 1 kHz THD = 10%)
- Possibility to drive 2 Ω loads:
- up to 18 V in normal mode
- up to 35 V in parallel mode
- Independent channel operation
- I2C bus diagnostics:
- Short to VCC/GND diagnostic (including soft shorts up to 1 kΩ)
- 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
EDA Symbols, Footprints and 3D Models
STMicroelectronics - FDA802A
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHSコンプライアンスグレード | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| FDA802A-VYT | Active 交換品交換品 | LQFP | Automotive | Ecopack2 | - | - | |
| FDA802A-VYY | Active 交換品交換品 | LQFP | Automotive | Ecopack2 | - | - |
(**) st.comで提供している材料宣誓書は、パッケージ･ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください
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Sample & Buy
| Part Number | 製品ステータス | Budgetary Price (US$)*/Qty | STから購入 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小 | 最大 | |||||||||||||
| FDA802A-VYT | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください | |||||||||||
| FDA802A-VYY | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください | |||||||||||
FDA802A-VYT Active
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
FDA802A-VYY Active
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
（*）概算用の参考価格（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。