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| Part Number | LM4730TA/NOPB | LM4731TA/NOPB | LM4780TA/NOPB |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete |
| Type | Class AB | Class AB | Class AB |
| Output Type | 2-Channel (Stereo) | 2-Channel (Stereo) | 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 14W x 2 @ 8Ohm | 25W x 2 @ 8Ohm | 60W x 2 @ 8Ohm |
| Voltage - Supply | 20V ~ 50V, ±10V ~ 25V | 20V ~ 56V, ±10V ~ 28V | 20V ~ 84V, ±10V ~ 42V |
| Features | Depop, Mute, Short-Circuit and Thermal Protection | Depop, Mute, Short-Circuit and Thermal Protection | Depop, Mute, Short-Circuit and Thermal Protection |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) |
| Supplier Device Package | TO-220-15 | TO-220-15 | TO-220-27 |
| Package / Case | TO-220-15 Formed Leads | TO-220-15 Formed Leads | TO-220-27 Formed Leads |
