NXP Semiconductors SA58670A manuals

24 pages169.46 Kb

1. General description
2. Features
3. Applications
SA58670A
- Rev. 02 23 October 2008 Product data sheet
- 2.1 W/channel stereo class-D audio amplier
  - Product data sheet Rev. 02 23 October 2008 2 of 24
  - 2.1 W/channel stereo class-D audio amplier nEducational toy
- 24. Ordering information
  - Fig 1. Block diagram
- 5. Block diagram
  - Refer toTable 6 for gain selection.
  - SA58670A
- 36. Pinning information
  - 6.1 Pinning
  - 6.2 Pin description
- 47. Limiting values
  - In accordance with the Absolute Maximum Rating System (IEC 60134).
  - NXP Semiconductors SA58670A
- 58. Static characteristics
  - C; unless otherwise specied
  - =25
  - T
  - .
  - NXP Semiconductors SA58670A
- 69. Dynamic characteristics
  - ; unless otherwise specied
  - =8
  - =25
  - T
  - C; R
  - .
  - NXP Semiconductors SA58670A
- 710. Typical performance curves
  - Fig 3. Total harmonic distortion-plus-noise as a function of output power; RL=8
  - a. Gv(cl) =24dB
  - b. Gv(cl) = 6 dB.
    - fi=1 kHz. (1) VDD= 2.5 V. (2) VDD= 3.6 V. (3) VDD= 5.0 V.
    - Product data sheet Rev. 02 23 October 2008 8 of 24
  - 8NXP Semiconductors SA58670A
    - a. Gv(cl) =24dB.
    - Fig 4. Total harmonic distortion-plus-noise as a function of output power; RL=4
    - b. Gv(cl) = 6 dB.
      - fi=1 kHz. (1) VDD= 2.5 V. (2) VDD= 3.6 V. (3) VDD= 5.0 V.
    - 9Fig 5. Total harmonic distortion-plus-noise as a function of frequency; VDD= 2.5 V
    - 10Fig 6. Total harmonic distortion-plus-noise as a function of frequency; VDD= 3.6 V
    - 11Fig 7. Total harmonic distortion-plus-noise as a function of frequency; VDD= 5.0 V
    - 12Fig 8. Crosstalk (stepped all-to-one) as a function of frequency
      - (1) Left channel. (2) Right channel.
    - Fig 9. Noise output voltage (RMS value) as a function of frequency
      - (1) VDD = 2.5 V.
    - 13Fig 10. Crosstalk (one-to-one) as a function of frequency
      - (3) VDD = 5.0 V.
      - (1) left channel; RL=8. (2) right channel; RL=4. (3) right channel; RL=8.
    - (1) VDD = 2.5 V.
    - 14Fig 13. Supply current as a function of output power
      - (3) VDD = 5.0 V.
      - (1) VDD = 5.0 V.
    - 15Fig 14. Power dissipation as a function of output power
      - (3) VDD = 2.5 V.
    - Fig 15. Output power efciency as a function of output power
      - (1) VDD = 5.0 V.
      - (3) VDD = 2.5 V.
- 1611. Application information
  - 11.1 Power supply decoupling considerations
  - 11.2 Input capacitor selection
  - 1711.3 PCB layout considerations
  - 11.4 Filter-free operation and ferrite bead lters
  - 11.5 Efciency and thermal considerations
- 1812. Test information
  - 11.6 Additional thermal information
- 1913. Package outline
  - SOT917-1
    - Fig 18. Package outline SOT917-1 (HVQFN20)
- 2014. Soldering of SMD packages
  - 2114.4 Reow soldering
  - - For further information on temperature proles, refer to Application Note
    - AN10365 Surface mount reow soldering description
      - .
- 2215. Abbreviations
- 16. Revision history
  - Product data sheet Rev. 02 23 October 2008 23 of 24
- 2317. Legal information
  - 17.1 Data sheet status
  - 17.2 Denitions
  - 17.3 Disclaimers
  - 17.4 Trademarks
- 18. Contact information
- 2419. Contents