FEATURES
Digital input stereo, high efficiency Class-D amplifier
Operates from a single 4.5 V to 16.5 V supply
State-of-the-art, proprietary, filterless Σ-Δ modulation
106.5 dB SNR at PO = 8.1 W, RL = 8 Ω, AV = 19 dB, PVDD = 12 V, A weighted
0.004% THD + N at 5 W into 8 Ω
38.5 μV rms output voltage noise, f = 20 Hz to 20 kHz, A weighted, PVDD = 16 V, 8 Ω
Pop and clickless on and off sequence
2× 14.67 W output at 12 V supply to 4 Ω loads at <1% THD + N
2× 14.4 W output at 16 V supply to 8 Ω loads at <1% THD + N
Mono mode for increased maximum output power
1× 49.69 W output at 16 V supply to 2 Ω loads at <1% THD + N
Support for low impedance loads
As low as 3 Ω/5 μH in stereo mode
As low as 2 Ω/5 μH in mono mode
High power efficiency
93.8% efficiency into an 8 Ω load
90.6% efficiency into a 4 Ω load
12.34 mA quiescent current with single 12 V PVDD supply
Single-supply operation with internal LDOs or option to use an external 5 V and 1.8 V supply for lowest power consumption
I2C control and hardware modes with up to 16 pin-selectable slots/addresses
Supported sample rates from 8 kHz to 192 kHz with 24-bit resolution
Multiple PCM audio serial data formats
TDM slave with support for up to 16 devices on a single bus
I2S or left justified slave
Adjustable full-scale output tailored for many PVDD sources
2- and 3-cell Li-Ion batteries
Digital volume control with selectable smooth ramp
Automatic power-down function
Supply monitoring automatic gain control (AGC) function reduces system brownout
Standalone operational mode without I2C
Temperature sensor with 1°C step readout via I2C
Short-circuit, undervoltage, and thermal protection
Thermal early warning
Power-on reset
PVDD sensing ADC
40-lead, 6 mm × 6 mm LFCSP with thermal pad