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105dB PCM-to-PDM Stereo Converter
The AR37T01 is a digitally coded stereo PCM-to-PDM conversion IP with 8-bit pattern-code programming.
The IP translates parallel PCM input data into single-bit digital switching pulse-density modulated (PDM) output. The IP converts stereo audio data through ∑∆ modulator and filters. The 1-bit PDM output can drive off-chip stand-alone PDM-type amplifier with high power-efficiency.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC16nm and 28nm logic processes.
The IP translates parallel PCM input data into single-bit digital switching pulse-density modulated (PDM) output. The IP converts stereo audio data through ∑∆ modulator and filters. The 1-bit PDM output can drive off-chip stand-alone PDM-type amplifier with high power-efficiency.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC16nm and 28nm logic processes.
特色
- SNR 105dB
- PCM (pulse-code modulated) Input
- PDM (pulse-density modulated) Output
- PDM switching rate: 3.072MHz
- Sampling Rate: 8K-96KHz, upgrade to higher Fs
- PGA Gain: Tunable with a wide range, 0.75dB/Step
- Soft gain tuning
- Soft mute
- Anti-pop Click
- I2S Digital audio interface (master & slave)
- Control Interface: Register / I2C, APB/MCU bus
优势
- Easy Integration
- Quick Time-to-Market
- Reduced R&D Cost
- Enhance 1st Tape Out Success
- Differentiated SoC Solution
- Early Market Penetration
可交付内容
- Full Datasheet
- Test Plan
- Synthesized Gate Netlist or RTL
- Timing Constraint (.sdc)
- Test Benches and Test Vectors
- Integration Support
- Silicon Validation & AE support
应用
- IoT System and Node
- Machine Learning
- Smart Wearable Devices
- Smart Voice/Audio Home Appliance
- Portable Media
- VR/AR/MR System
- Surveillance System
Block Diagram of the 105dB PCM-to-PDM Stereo Converter
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PDM
- 105 dB of SNR, 24-bit stereo PDM to PWM transmodulator DAC
- Up to 105 dB of SNR, 24-bit stereo CODEC with PDM to PWM transmodulator DAC and embedded regulator
- Up to 105 dB of SNR, 24-bit stereo CODEC with PDM to PWM transmodulator DAC and embedded regulator
- 105 dB of SNR, 24-bit stereo PDM to PWM transmodulator DAC
- Up to 105 dB of SNR, 24-bit mono CODEC with PDM to PWM transmodulator DAC and embedded regulator
- 120dB PDM-to-PCM Digital Microphone Interface