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| Part Number | MAX9728AETC+ | MAX9728AETC+T | MAX9728BETC+ | MAX9721AETC+ | MAX9724AETC+ | MAX9725AETC+ |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Obsolete | Active | Active |
| Type | Class AB | Class AB | Class AB | Class AB | Class AB | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) | Headphones, 2-Channel (Stereo) | Headphones, 2-Channel (Stereo) | Headphones, 2-Channel (Stereo) | Headphones, 2-Channel (Stereo) | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 60mW x 2 @ 32Ohm | 60mW x 2 @ 32Ohm | 60mW x 2 @ 32Ohm | 25mW x 2 @ 16Ohm | 63mW x 2 @ 32Ohm | 25mW x 2 @ 16Ohm |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 900mV ~ 1.8V | 2.7V ~ 5.5V | 900mV ~ 1.8V |
| Features | Depop, Short-Circuit and Thermal Protection, Shutdown | Depop, Short-Circuit and Thermal Protection, Shutdown | Depop, Short-Circuit and Thermal Protection, Shutdown | Depop, Short-Circuit Protection, Shutdown | Depop, Short-Circuit and Thermal Protection, Shutdown | Depop, Short-Circuit Protection, Shutdown |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | 12-TQFN (3x3) | 12-TQFN (3x3) | 12-TQFN (3x3) | 12-TQFN (4x4) | 12-TQFN (3x3) | 12-TQFN (4x4) |
| Package / Case | 12-WFQFN Exposed Pad | 12-WFQFN Exposed Pad | 12-WFQFN Exposed Pad | 12-WQFN Exposed Pad | 12-WFQFN Exposed Pad | 12-WQFN Exposed Pad |
