| Part Number | TDA7451 | TDA7481 |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio |
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| Product Status | Obsolete | Obsolete |
| Type | Class AB | Class D |
| Output Type | 2-Channel (Stereo) or 4-Channel (Quad) | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 32W x 2 @ 4Ohm; 9.5W x 4 @ 4Ohm | 18W x 1 @ 4Ohm |
| Voltage - Supply | - | ±10V ~ 25V |
| Features | Depop, Mute, Short-Circuit and Thermal Protection, Standby | Mute, Short-Circuit and Thermal Protection, Standby |
| Mounting Type | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) | 0°C ~ 70°C (TA) |
| Supplier Device Package | 25-Flexiwatt (Vertical) | 15-Multiwatt |
| Package / Case | 25-Flexiwatt (Formed Leads) | Multiwatt-15 (Vertical, Bent and Staggered Leads) |