FDA903U vs FDA803U 对比
详细并排对比 FDA903U 出自 Texas Instruments 和 FDA803U 出自 STMicroelectronics。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
STMicroelectronics
FDA803U - 1x45W Class D Digital Input Automotive Amplifier | STMicroelectronics
FDA803U ✓ 量产中规格对比
| 参数 | FDA903U | FDA803U |
|---|---|---|
| 品牌 | Texas Instruments | STMicroelectronics |
| 分类 | Voltage Regulators | LED Displays |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.10 | $4.16 |
| 输出类型 | Adjustable | — |
| 输出电压范围 | 1.4 V to 34 V | — |
| 最大输出电流 | 1 A | — |
| 输入电压范围 | 3 V to 35 V | — |
| 压差电压 | 200 mV at 1 A | — |
| 输出噪声 | 4.17 uVrms (20 Hz to 100 kHz) | — |
| PSRR | 72 dB at 1 kHz | — |
| 静态电流 | 6.4 mA | — |
| 热阻 | 31.4 C/W | — |
| 工作温度 | -40C to +125C | — |
| 封装 | VQFN-20 (RGW) 5x5 mm | PowerSSO-36 EPU |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 2 (1 year) | — |
| RoHS 状态 | Compliant | Compliant |
| 使能引脚 | Yes (active-high) | — |
| Output Power | — | 45 W (4Ω, 10% THD) |
| Supply Voltage Range | — | 4.5 V to 18 V |
| Amplifier Type | — | Class D |
| Number of Channels | — | 1 (Mono) |
| Input Type | — | Digital (I2S) |
| Control Interface | — | I2C |
| Sample Rate | — | Up to 96 kHz |
| Diagnostics | — | DC offset, short-circuit, over-temperature |
| Technology | — | BCD (Bipolar-CMOS-DMOS) |
| 工作温度范围 | — | -40°C to +105°C |
| AEC-Q100 Qualified | — | Yes |
| Output Power (8Ω) | — | [DATA_NEEDED: Output Power (8Ω)] |