DA7202 Overview
The DA7202 is a powerful, high-efficiency, low-EMI Class-D speaker driver that can drive 8 W into 4 Ω loads directly from a 2S lithium-ion battery pack. The DA7202 is a standalone high performance mono Class-D audio amplifier targeted at powering a variety of two cell portable applications such as Ultrabooks™ and tablets. It uses a fully-differential switched-mode amplifier architecture with a fixed +18 dB gain,...
DA7202 Key Features
- PRMS: 3.6 W into 8 Ω load at 8.2 V, 1% THD+N
- Efficiency: ○ 86% at POUT = 3.5 W at 8.2 V, 8 Ω ○ 75% at POUT = 5.7 W at 8.2 V, 4 Ω
- Supports 4 Ω and 8 Ω loads
- SNR (A-weighted) 104 dB
- THD+N: 94 dB at 3.0 W, 8.2 V, 8 Ω
- PSRR: 78 dB
- Auto-Shutdown/Start-up: <3.5 ms
- Ultra low standby current: 7 µA
- Short-circuit and thermal-overload Protection
- Wide supply voltage range 4.5 to 9.0 V
