Datenblatt-Suchmaschine für elektronische Bauteile |
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AK5554VN Datenblatt(PDF) 65 Page - Asahi Kasei Microsystems |
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AK5554VN Datenblatt(HTML) 65 Page - Asahi Kasei Microsystems |
65 / 68 page [AK5554] 015099864-E-00 2016/03 - 65 - 4. External Analog Circuit Examples Figure 73 shows an input buffer circuit example 1. (1 st order HPF; fc= 0.70 Hz, 2nd order LPF; fc= 351 kHz, gain= 14.5 dB). The analog signal is able to input through XLR or BNC connectors. (short JP1 and JP2 for BNC input, open JP1 and JP2 for XLR input). The input level of this circuit is 14.9 Vpp (AK5554: 2.8 Vpp Typ.). When using this circuit, analog characteristics at fs= 48 kHz is DR= 115 dB, S/(N+D)= 106 dB. The S/(N+D) characteristics of the AK5554 varies depending on DC bias current of the input signal. Set the DC bias voltage in a range from 0.49 x AVDD to 0.51 x AVDD for a better characteristic. * Film capacitors are recommended for the components shown as 15nF and 1 nF in the figure below. 4.7k - + - + 10 3.3k 620 - + 10 620 Analog In 14.9Vpp 68µ NJM5534 VA=+5V VP= 15V 4.7k 10µ + 10k 10k 0.1µ Bias VA+ 2.8Vpp 2.8Vpp VP+ VP- Bias 1n * 3.3k 1n * Bias 15n * 68µ XLR Vin- Vin+ JP1 JP2 NJM5534 NJM5534 AK5554 AINn+ AK5554 AINn- 100p 100p Figure 73. Input Buffer Example1 fin 1Hz 10Hz Frequency Response 1.77dB 0.02dB Table 23. Frequency Response of HPF fin 20kHz 40kHz 80kHz 6.144MHz Frequency Response 0.00dB 0.00dB 0.00dB 49.68dB Table 24. Frequency Response of LPF |
Ähnliche Teilenummer - AK5554VN_16 |
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Ähnliche Beschreibung - AK5554VN_16 |
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