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首 页 > 新闻动态 > 公司新闻 > 供应TAS5518PA 数字音频 PWM 处理器
供应TAS5518PA 数字音频 PWM 处理器
TAS5518PA
特性
- Audio Input / Output
- Automatic Master Clock Rate and Data Sample Rate Detection
- Eight Serial Audio Input Channels
- Eight PWM Audio Output Channels Configurable as Six Channels With Stereo Line Out or Eight Channels
- Line Output is a PWM Output to Drive an External Differential Input Operational Amplifier
- Headphone PWM Output to Drive an External Differential Amplifier Like the TPA112
- PWM Outputs Support Single Ended and Bridge Tied Loads
- 32-, 38-, 44.1-, 48-, 88.2-, 96-, 176.4-, and 192-kHz Sampling Rates
- Data Formats: 16-, 20-, or 24-bit input Data Left, Right and I2S,
- 64 x Fs Bit Clock Rate
- 128, 192, 256, 384, 512, and 768 x Fs Master Clock Rates (Up to a Maximum of 50 MHz)
- Audio Processing
- 48-Bit Processing Architecture With 76 bits of Precision for Most Audio Processing Features
- Volume Control Range +36 dB to - 127 dB
- Master Volume Control Range of +18 dB to –100 dB
- Eight Individual Channel Volume Control Range of +18-dB to -127-dB
- Programmable Soft Volume and Mute Update Rates
- Four Bass and Treble Tone Controls with ±18-dB Range, Selectable Corner Frequencies, and 2nd Order Slopes
- L, R, and C
- LS, RS
- LR, RR
- Sub
- Configurable Loudness Compensation
- Two Dynamic Range Compressors With Two Thresholds, Two Offsets, and Three Slopes
- Seven Bi-quads Per Channel
- Full 8x8 Input Crossbar Mixer—Each Signal Processing Channel Input Can Be Any Ratio of the Eight Input Channels
- 8x2 Output Mixer - Channels 1-6—Each Output Can Be Any Ratio of Any Two Signal Processed Channels
- 8x3 Output mixer - Channels 7 and 8—Each Output can be Any Ratio of Any Three Signal Processed Channels
- Three Coefficient Sets Stored on the Device Can be Selected Manually or Automatically (Based on Specific Data Rates)
- DC Blocking Filters
- Able to Support a Variety of Bass Management Algorithms
- PWM Processing
- 32-Bit Processing PWM Architecture With 40 Bits of Precision
- 8x Oversampling With 5th Order Noise Shaping at 32 – 48 kHz, 4x Oversampling at 88.2 kHz, and 96 kHz and 2x Oversampling at 176.4 kHz and 192 kHz
- >110-dB Dynamic Range
- THD+N < 0.1%
- 20 – 20-kHz Flat Noise Floor for 44.1-, 48-, 88.2-, 96-, 176.4-, and 192-kHz Data Rates
- Digital De-emphasis for 32-, 44.1-, and 48-kHz Data Rates
- Flexible Automute Logic With Programmable Threshold and Duration for Noise Free Operation
- Intelligent AM Interference Avoidance System Provides Clear AM Reception
- Power Supply Volume Control (PSVC) Support for Enhanced Dynamic Range in High Performance Applications
- Adjustable Modulation Limit
- General Features
- Automated Operation With an Easy to Use Control Interface
- I2C Serial Control Slave Interface
- Integrated AM Interference Avoidance Circuitry
- Single 3.3-V Power Supply
- 64-Pin TQFP Package
- 5-V Tolerant Inputs
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