Analog Devices Inc.

Category: Amplifiers and Comparators

2, 31.76 W, Digital Input, Filterless Stereo Class D Audio Amplifier 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 - modulation 106.5 dB SNR at PO = 8.1 W, RL = 8 , AV = 19 dB, PVDD = 12 V, A weighted 0.004% THD + N at 5 W into 8 38.5 V rms output voltage noise, f = 20 Hz to 20 kHz, A weighted, PVDD = 16 V, 8 Pop and clickless on and off sequence 2 14.67 W output at 12 V supply to 4 loads at <1% THD + N 2 14.4 W output at 16 V supply to 8 loads at <1% THD + N Mono mode for increased maximum output power 1 49.69 W output at 16 V supply to 2 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

$7.55 - $10.55