1.1 Features 1

• Four Audio Digital-to-Analog Converter (DAC) • Dual Phase-Locked Loops (PLLs) for Flexible

Channels Clock Support:

• Stereo Capless Headphone Drivers: – 32-kHz Sleep Clock Input for System Low-

– Up to 104-dB DR Power Playback Mode

– Power Tune for Performance and Power – 12-, 19.2-, 26-, and 38.4-MHz System Clock

Consumption Tradeoff Input

• Stereo 8 Ω, 1.5 W per Channel Speaker Drivers • Accessory Plug and Unplug Detection, Accessory

• Differential Earpiece Driver Button Press Detection

• Stereo Line-Out • Integrated Power Supplies:

• Two Audio Analog-to-Digital Converter (ADC) – Negative Charge Pump for Capless Headphone

Channels: Driver

– 96-dBA SNR – Two Low Dropout Voltage Regulators (LDOs)

• Four Audio Inputs: for High Power Supply Rejection Ratio (PSRR)

– Three Differential Microphone Inputs • I2C Control

– Stereo Line-In and FM Input • Thermal Protection:

• Two Vibrator and Haptics Feedback Channels: – Host Interrupt

– Differential H-Bridge Drivers • Power Supplies:

• Two Low-Noise Analog Microphone Bias Outputs – Analog: 2.1 V

• Two Digital Microphone Bias Outputs – Digital I/O: 1.8 V

• Analog Low-Power Loop from Line-in to – Battery: 2.3 to 5.5 V

Headphone and Speaker Outputs • Package 6-mm × 6-mm 120-Pin PBGA