低功耗，高集成，可编程的16位， 26 - KSPS单声道编解码器 LOW-POWER, HIGHLY-INTEGRATED, PROGRAMMABLE 16-Bit, 26-KSPS MONO CODEC
FEATURES
• Mono 16-Bit Oversampling Sigma-Delta A/D Converter
• Mono 16-Bit Oversampling Sigma-Delta D/A Converter
• Support Maximum Master Clock of 100 MHz to Allow the DSP Output Clock to be Used as a Master Clock
• Selectable FIR/IIR Filter With Bypassing Option
• Programmable Sampling Rate up to:
– Max 26 Ksps With On-Chip IIR/FIR Filter
– Max 104 Ksps With IIR/FIR Bypassed
• On-Chip FIR Produced 84-dB SNR for ADC and 92-dB SNR for DAC
• Smart Time Division Multiplexed SMARTDM™ Serial Port
– Glueless 4-Wire Interface to DSP
– Automatic Cascade Detection ACD Self-Generates Master/Slave Device Addresses
– Programming Mode to Allow On-the-Fly Reconfiguration
– Continuous Data Transfer Mode to Minimize Bit Clock Speed
– Support Different Sampling Rate for Each Device
– Turbo Mode to Maximize Bit Clock for Faster Data Transfer and Allow Multiple Serial Devices to Share the Same Bus
– Allows up to 16 Devices to be Connected to a Single Serial Port
• Host Port
– 2-Wire Interface
– Selectable I2C or S2C
• Differential and Single-Ended Analog Input/Output
• Built-In Analog Functions:
– Analog and Digital Sidetone
– Antialiasing Filter AAF
– Programmable Input and Output Gain Control PGA
– Microphone/Handset/Headset Amplifiers
– AIC12K has an 8-Ω Speaker Driver
– Power Management With Hardware/Software Power-Down Modes 30 µW
• Separate Software Control for ADC and DAC Power Down
• Fully Compatible With Common TMS320™ DSP Family and Microcontroller Power Supplies
– 1.65 V - 1.95 V Digital Core Power
– 1.1 V - 3.6 V Digital I/O
– 2.7 V - 3.6 V Analog
• Power Dissipation PD
– 11.2 mW at 3.3 V in Standard Operation
– 17.8 mW at 3.3 V With Headphone Drivers
• Internal Reference Voltage Vref
• 2s Complement Data Format
• Test Modes Which Include Digital Loopback and Analog Loopback
APPLICAONS
• Digital Still Cameras
• Wireless Accessories
• Hands-Free Car Kits
• VOIP
• Cable Modem
