1–2
– Audio Master/Slave Timing Capability Optimized for TI DSPs (250/272 f
s
), USB mode
– Industry-Standard Master/Slave Support Provided Also (256/384 f
s
), Normal mode
– Glueless Interface to TI McBSPs
• Integrated Total Electret-Microphone Biasing and Buffering Solution
– Low-Noise MICBIAS pin at 3/4 AVDD for Biasing of Electret Capsules
– Integrated Buffer Amplifier With Tunable Fixed Gain of 1 to 5
– Additional Control-Register Selectable Buffer Gain of 0 dB or 20 dB
• Stereo-Line Inputs
– Integrated Programmable Gain Amplifier
– Analog Bypass Path of Codec
• ADC Multiplexed Input for Stereo-Line Inputs and Microphone
• Stereo-Line Outputs
– Analog Stereo Mixer for DAC and Analog Bypass Path
• Analog Volume Control With Mute
• Highly Efficient Linear Headphone Amplifier
– 30 mW into 32 Ω From a 3.3-V Analog Supply Voltage
• Flexible Power Management Under Total Software Control
– 23-mW Power Consumption During Playback Mode
– Standby Power Consumption <150 µW
– Power-Down Power Consumption <15 µW
• Industry’s Smallest Package: 32-Pin TI Proprietary MicroStar Junior
– 25 mm
2
Total Board Area
– 28-Pin TSSOP Also Is Available (62 mm
2
Total Board Area)
• Ideally Suitable for Portable Solid-State Audio Players and Recorders