The TPA6203A1 is a 1.25-W mono fully differential amplifierdesigned to drive a speaker with at least 8-Ω impedance while consuming less than 37 mm2 (ZQV package option) total printed-circuit board (PCB) area in most applications. This device operates from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent supply current. The TPA6203A1 is available in the space-saving 2 mm x 2 mm MicroStar Junior BGA package, and the space saving 3 mm x 3 mm QFN (DRB) package.
Features like 85-dB PSRR from 90 Hz to 5 kHz, improved RF-rectification immunity, and small PCB area makes the TPA6203A1 ideal for wireless handsets. A fast start-up time of 4 µs with minimal pop makes the TPA6203A1 ideal for PDA applications.
| Audio input type | Analog Input |
| Architecture | Class-AB |
| Speaker channels (max) | Mono |
| Rating | Catalog |
| Power stage supply (max) (V) | 5.5 |
| Power stage supply (min) (V) | 2.5 |
| Load (min) (Ω) | 8 |
| Output power (W) | 1.25 |
| SNR (dB) | 104 |
| THD + N at 1 kHz (%) | 0.06 |
| Iq (typ) (mA) | 1.7 |
| Control interface | Hardware |
| Closed/open loop | Closed |
| Analog supply (min) (V) | 2.5 |
| Analog supply voltage (max) (V) | 5.5 |
| PSRR (dB) | 90 |
| Operating temperature range (°C) | -40 to 85 |
| HVSSOP (DGN) | 8 | 14.7 mm² 3 x 4.9 |
| NFBGA (NMB) | 8 | 4 mm² 2 x 2 |
| VSON (DRB) | 8 | 9 mm² 3 x 3 |
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