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AK4424
5V 192kHz 24位立体声 DAC 配有线路电平输出
5V 192kHz 24-Bit Stereo DAC with Line-Level Output
The AK4424 is a 5V 24-bit stereo DAC with an integrated 2Vrms output buffer. A charge pump in the buffer develops an internal negative power supply rail that enables a ground-referenced 2Vrms output. Using AKM's multi bit modulator architecture, the AK4424 delivers a wide dynamic range while preserving linearity for improved THD+N performance. The AK4424 integrates a combination of switched-capacitor and continuous-time filters, increasing performance for systems with excessive clock jitter. The 24-bit word length and 192kHz sampling rate make this part ideal for a wide range of consumer audio applications, such as DVD, AV receiver system and set-top boxes. The AK4424 is offered in a space saving 16pin TSSOP package.
Features
  1. Sampling Rate Ranging from 8kHz to 192kHz
  2. 128 times Oversampling (Normal Speed Mode)
  3. 64 times Oversampling (Double Speed Mode)
  4. 32 times Oversampling (Quad Speed Mode)
  5. 24-Bit 8 times FIR Digital Filter
  6. Switched-Capacitor Filter with High Tolerance to Clock Jitter
  7. Single Ended 2Vrms Output Buffer
  8. Digital de-emphasis
  9. Soft mute
  10. I/F format: I 2 S
  11. Master clock: 512fs, 768fs or 1152fs (Normal Speed Mode)
    space256fs or 384fs (Double Speed Mode)
    space128fs, 192fs (Quad Speed Mode)
  12. THD+N: -92dB
  13. Dynamic Range: 105dB
  14. Automatic Power-on Reset Circuit
  15. Power supply: +4.5 ~ +5.5V
  16. Ta = -20 to 85 °C
  17. Small Package: 16pin TSSOP (6.4mm x 5.0mm)
  18. Evaluation Board: AKD4424
Applications
  1. DVD Players/Recorders
  2. Digital TVs/ STBs
  3. AV Receivers/ Home Theaters
AK4424 BLOCK DIAGRAM
AK4424 Diagram
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  • Data Sheet PDF
Data Sheet Download Datasheet
AK4424
October 2008
Evaluation Board Manual Download Eva.Board Manual
AKD4424
March 2008