| Part Number | ISL54001IRTZ | ISL54004IRTZ | 
|---|---|---|
| Manufacturer | Intersil | Intersil | 
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Class AB | Class AB | 
| Output Type | 2-Channel (Stereo) | 1-Channel (Mono) with Stereo Headphones | 
| Max Output Power x Channels @ Load | 1.23W x 2 @ 8Ohm | 1.23W x 1 @ 8Ohm; 215mW x 2 @ 16Ohm | 
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Features | Depop, Input Multiplexer, Shutdown, Thermal Protection | Depop, Shutdown, Thermal Protection | 
| Mounting Type | Surface Mount | Surface Mount | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Supplier Device Package | 20-TQFN (4x4) | 20-TQFN (4x4) | 
| Package / Case | 20-WFQFN Exposed Pad | 20-WFQFN Exposed Pad |