Texas Instruments DirectPath™ TPA2054D4AYZKT, Class D stereo audio amplifier, 2-channel (stereo) with stereo headphones, 1.4W x 2 @ 8Ohm, 150mW x 2 @ 16Ohm, I²C control, 25-DSBGA package, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Type | Class D |
| Series | DirectPath™ |
| Output type | 2-Channel (Stereo) with Stereo Headphones |
| Mounting type | Surface Mount |
| Voltage | 2.5V ~ 5.5V |
| Max output power x channels @ load | 1.4W x 2 @ 8Ohm; 150mW x 2 @ 16Ohm |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Features | Depop, Differential Inputs, I²C, Input Multiplexer, Mute, Shutdown, Volume Control |
| Case | 25-UFBGA, DSBGA |
Rated for -40°C to 85°C ambient, it handles outdoor handhelds and industrial panel audio where commercial-grade parts would drift or fail.
Marked as Active by Texas Instruments with ROHS3 compliance. No end-of-life notice or last-time-buy window has been issued. For new designs, this part is a safe selection — no near-term obsolescence risk.
No. The TPA2054D4AYZKT is listed as Active by Texas Instruments with ROHS3 compliance. No discontinuation notice has been issued.
The rated output power is specified for 8Ω and 16Ω loads. Driving a 4Ω speaker would exceed the device's output current and thermal limits at the rated supply voltage — it is not recommended.