FDA903U vs FDA803U Comparison
Detailed side-by-side comparison of FDA903U by Texas Instruments and FDA803U by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
FDA803U - 1x45W Class D Digital Input Automotive Amplifier | STMicroelectronics
FDA803U ✓ ActiveSpecification Comparison
| Parameter | FDA903U | FDA803U |
|---|---|---|
| Brand | Texas Instruments | STMicroelectronics |
| Category | Voltage Regulators | LED Displays |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.10 | $4.16 |
| Output Type | Adjustable | — |
| Output Voltage Range | 1.4 V to 34 V | — |
| Maximum Output Current | 1 A | — |
| Input Voltage Range | 3 V to 35 V | — |
| Dropout Voltage | 200 mV at 1 A | — |
| Output Noise | 4.17 uVrms (20 Hz to 100 kHz) | — |
| PSRR | 72 dB at 1 kHz | — |
| Quiescent Current | 6.4 mA | — |
| Thermal Resistance | 31.4 C/W | — |
| Operating Temperature | -40C to +125C | — |
| Package | VQFN-20 (RGW) 5x5 mm | PowerSSO-36 EPU |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 (1 year) | — |
| RoHS Status | Compliant | Compliant |
| Enable Pin | 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) |
| Operating Temperature Range | — | -40°C to +105°C |
| AEC-Q100 Qualified | — | Yes |
| Output Power (8Ω) | — | [DATA_NEEDED: Output Power (8Ω)] |