ACM8625P
Overview
ACM8625P is a fully integrated, high efficiency, stereo ClassD audio amplifier with digital inputs. The application circuit requires few.
- Flexible Power Supply Configurations - PVDD: 4.5V to 21V - DVDD and I/O: 3.3V
- Various output configurations - 2×33W, Stereo mode (6Ω, 21V, THD+N = 1%) - 1×51W, Mono mode (4Ω, 21V, THD+N = 1%)
- Excellent Audio Performance - THD+N ≤ 0.04% at 1W, 1kHz, PVDD = 12V - 112 dB A-weighted signal-to-noise ratio (SNR) - Idle switching A-weighted noise ≤ 35 - 18 mA low quiescent current - 90% efficiency into 6Ω load at 12V
- Configurable digital audio interface - I C control with up to 4 selectable addresses - I S, Left-justified, Right-justified, TDM audio format - 3-Wire digital audio interface without MCLK required - 32kHz, 44.1kHz/48kHz, 88.2kHz/96kHz,
- 4kHz/192kHz input sample rate - SDOUT for Acoustic Echo Cancellation - AEC or 1.1 / 2.1 system sub-channel signal routing
- Advanced audio effect tuning - Flexible digital and analog gain adjustment - High pass filter for DC blocking - Input signal router for left and right channel - 2×15 pre BQs & 2×5 post BQs to support enhanced audio frequency tuning - Pre volume & post volume for dynamic headroom and loudness control - 3 band dynamic range control (DRC) with time delay buffer & post compensation BQs for flexible and flat multiple band control
- Analog protections - FAULT status report through GPIO and I C registers - Over current and Direct current protection - Over temperature protection - Under-voltage and Over-voltage protection - Clock error protection
