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參數(shù)資料
| 型號(hào)： | AK4520A-VF |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 100dB 20Bit Stereo ADC & DAC |
| 中文描述： | 100dB的20位立體聲ADC |
| 文件頁(yè)數(shù)： | 16/19頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | AK4520A-VF |
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ASAHI KASEI
[AK4520A]
0163-E-00
1997/3
- 16 -
4. Analog Outputs
The analog outputs are also single-ended and centered around the VCOM voltage. The input signal range
scales with the supply voltage and nominally 0.626 x (VREFH-VREFL) Vpp. The DAC input data format is 2's
complement. The output voltage is a positive full scale for 7FFFFH(@20bit) and a negative full scale for
80000H(@20bit). The ideal output is VCOM voltage for 00000H(@20bit). The internal switched-capacitor filter
and continuous-time filter removes most of the noise generated by the delta-sigma modulator of DAC beyond
the audio passband.
DC offsets on analog outputs are eliminated by AC coupling since DAC outputs have DC offsets of a few mV.
Figure 10 shows the example of external op-amp circuit with 6dB gain. The output signal is inverted by using
the circuit in this case.
Figure 10 . External analog circuit example(gain=6dB)
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PDF描述 |
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| AK4520 | 100dB 20Bit Stereo ADC & DAC |
| AK4520A | 100dB 20Bit Stereo ADC & DAC |
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| AKD4523 | EVALUATION BOARD REV.A FOR AK4523 |
| AKD4524 | EVALUATION BOARD REV.A FOR AK4524 |
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| AK4522VM | 制造商:AKM 制造商全稱:AKM 功能描述:20Bit Stereo ΔΣ ADC & DAC |
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