FDA803U vs FDA903U Comparison
Detailed side-by-side comparison of FDA803U by STMicroelectronics and FDA903U by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
FDA803U
FDA803U - 1x45W Class D Digital Input Automotive Amplifier | STMicroelectronics
FDA803U β ActiveTexas Instruments
FDA903U
FDA903U - 1A, 35V Ultra-Low Noise LDO | Texas Instruments
FDA903U β ActiveSpecification Comparison
| Parameter | FDA803U | FDA903U |
|---|---|---|
| Brand | STMicroelectronics | Texas Instruments |
| Category | LED Displays | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.16 | $3.10 |
| Output Power | 45 W (4Ξ©, 10% THD) | β |
| Supply Voltage Range | 4.5 V to 18 V | β |
| Amplifier Type | Class D | β |
| Number of Channels | 1 (Mono) | β |
| Input Type | Digital (I2S) | β |
| Control Interface | I2C | β |
| Sample Rate | Up to 96 kHz | β |
| Diagnostics | DC offset, short-circuit, over-temperature | β |
| Technology | BCD (Bipolar-CMOS-DMOS) | β |
| Package | PowerSSO-36 EPU | VQFN-20 (RGW) 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40Β°C to +105Β°C | β |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 Qualified | Yes | β |
| Output Power (8Ξ©) | [DATA_NEEDED: Output Power (8Ξ©)] | β |
| Output Type | β | Adjustable |
| Output Voltage Range | β | 1.4 V to 34 V |
| Maximum Output Current | β | 1 A |
| Input Voltage Range | β | 3 V to 35 V |
| Dropout Voltage | β | 200 mV at 1 A |
| Output Noise | β | 4.17 uVrms (20 Hz to 100 kHz) |
| PSRR | β | 72 dB at 1 kHz |
| Quiescent Current | β | 6.4 mA |
| Thermal Resistance | β | 31.4 C/W |
| Operating Temperature | β | -40C to +125C |
| MSL Level | β | 2 (1 year) |
| Enable Pin | β | Yes (active-high) |