The TPA6100A2D is a stereo audio power amplifier packaged in either an 8-pin SOIC package or an 8-pin MSOP package capable of delivering 50 mW of continuous RMS power per channel into 16- 
loads. Amplifier gain is externally configured by a means of three resistors per input channel and does not require external compensation for settings of 1 to 10.
The TPA6100A2D is optimized for battery applications because of its low supply current, shutdown current, and THD+N. To obtain the low-supply voltage range, the TPA6100A2D biases BYPASS to VDD/4. A resistor with a resistance equal to RF must be added from the inputs to ground to allow the output to be biased at VDD/2.
When driving a 16- load with 45-mW output power from 3.3 V, THD+N is 0.04% at 1 kHz, and less than 0.2% across the audio band of 20 Hz to 20 kHz. For 28 mW into 32- loads, the THD+N is reduced to less than 0.03% at 1 kHz, and is less than 0.2% across the audio band of 20 Hz to 20 kHz.
(1) The polarity of the SHUTDOWN pin is reversed.
| Output power (W) | 0.05 |
| Analog supply (min) (V) | 1.6 |
| Analog supply voltage (max) (V) | 3.6 |
| Load (min) (Ω) | 16 |
| PSRR (dB) | 72 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Headphone channels | Stereo |
| Volume control | No |
| Shutdown current (ISD) (µA) | 0.05 |
| Architecture | Class-AB |
| Iq per channel (typ) (mA) | 0.8 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |
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