Audio Amp Headphone 2CH Stereo 0.08W Class-AB 14Pin DSBGA T/R
* Differential Mono Input and Stereo Single-Ended Input * 32-Step Digital Volume Control -80 to +18dB * Three Independent Volume Channels Left, Right, Mono * Separate Headphone Volume Control * Flexible Output for Speaker and Headphone Output * True Ground Headphone Amplifier Eliminates Large DC Blocking Capacitors Reducing PCB Space and Cost * Receiver Pass-Through Capability * Soft Enable Function * RF Immunity Topology * “Click and Pop” Suppression Circuitry * Thermal Shutdown Protection * Micro-Power Shutdown * I2C Control Interface * Available in Space-Saving DSBGA Package * Supply Voltage VDD: 2.7V ≤ VDD ≤ 5.5V * I2C Supply Voltage: 1.7V ≤ I2CVDD ≤ 5.5V * Output power at VDD = 5V, 1% THD+N * RL = 8Ω speaker: 1.25W typ * RL = 32Ω headphone: 38mW typ * Output power at VDD = 3.3V, 1% THD+N * RL = 8Ω speaker: 520W typ * RL = 32Ω headphone: 38mW typ * PSRR: * VDD = 3.3V, 217Hz ripple, Mono In: 95dB typ * Shutdown power supply current 0.02μA typ
