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PCM2707C - 具有全速 USB 接口、单端耳机输出和 S/PDIF 的立体声音频 DAC
PCM2707C是TI德州仪器公司的一款音频USB转换器产品,PCM2707C是具有全速 USB 接口、单端耳机输出和 S/PDIF 的立体声音频 DAC,本站介绍了PCM2707C的封装应用图解、特点和优点、功能等,并给出了与PCM2707C相关的TI元器件型号供参考。
PCM2707C - 具有全速 USB 接口、单端耳机输出和 S/PDIF 的立体声音频 DAC - 音频USB转换器 - 音频转换器 - 德州仪器
- On-Chip USB Interface:
- No Dedicated Device Driver Needed
- Full-Speed Transceivers
- Fully Compliant With USB 2.0 Specification
- USB 1.1 Descriptors With USB Audio Class Support
- Certified by USB-IF
- Partially Programmable Descriptors
- Adaptive Isochronous Transfer for Playback
- Bus-Powered or Self-Powered Operation
- Sampling Rates: 32 kHz, 44.1 kHz, and 48 kHz
- On-Chip Clock Generator With Single 12-MHz Clock Source
- Single Power Supply:
- Bus-Powered: 5 V, Typical (VBUS)
- Self-Powered: 3.3 V, Typical
- 16-Bit Delta-Sigma Stereo DAC
- Analog Performance at 5 V (Bus-Powered), 3.3 V (Self-Powered):
- THD + N: 0.006% RL > 10 kΩ, Self-Powered
- THD + N: 0.025% RL = 32 Ω
- SNR = 98 dB
- Dynamic Range: 98 dB
- PO = 12 mW, RL = 32 Ω
- Oversampling Digital Filter
- Passband Ripple = ±0.04 dB
- Stop-Band Attenuation = –50 dB
- Single-Ended Voltage Output
- Analog LPF Included
- Analog Performance at 5 V (Bus-Powered), 3.3 V (Self-Powered):
- Multiple Functions:
- Up to Eight Human Interface Device (HID) Interfaces (Model and Setting Dependent)
- Suspend Flag
- S/PDIF Out With SCMS
- External ROM Interface (PCM2704C/6C)
- Serial Programming Interface (PCM2705C/7C)
- I2S Interface (Selectable on PCM2706C/7C)
- USB Headphones
- USB Audio Speaker
- USB CRT/LCD Monitor
- USB Audio Interface Box
- USB-Featured Consumer Audio Product
The PCM270xC are TI's single-chip USB stereo audio digital-to-analog converters (DACs) with USB 2.0 compliant full-speed protocol controller and S/PDIF. The USB-protocol controller works with no software code, but USB descriptors can be modified in some areas (for example, vendor ID/product ID) through the use of an external ROM (PCM2704C and PCM2706C) or serial peripheral interface (SPI) (PCM2705C and PCM2707C). The PCM270xC also employ SpAct™ architecture, TI's unique system that recovers the audio clock from USB packet data. On-chip analog phase-locked loops (PLLs) with SpAct enable playback with low clock jitter.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| PCM2704C | SSOP (28) | 5.30 mm × 10.20 mm |
| PCM2705C | ||
| PCM2706C | TQFP (32) | 7.00 mm × 7.00 mm |
| PCM2707C |
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