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參數(shù)資料
| 型號(hào)： | AKD5393.(AKD5393) |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Evaluation board Rev.A for AK5393 |
| 中文描述： | 評(píng)價(jià)AK5393板版本A |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 602K |
| 代理商： | AKD5393.(AKD5393) |
ASAHI KASEI
[AKD5393 Rev.A]
<KM059101>
’00/05
- 2 -
I
Input buffer circuit
The AKD5393 includes full-differential input buffer circuit with an inverted-amp (gain: -10dB). The capacitor of 10nF
between AIN+ /- decreases the clock feed through noise of modulator, and composes a 1st order LPF (fc=360kHz) with
22ohm resistor before the capacitor. This circuit also has a 1st order LPF (fc=370kHz) composed of op-amp. External
analog signal can be fed through the BNC connector or the Cannon connector.
4.7k
-
+
-
+
22
3k
910
-
+
22
910
AK5393
AIN+
AIN-
CAL
ZCAL
Analog In
8.1Vpp
"L" at self calibration
47
μ
47
μ
NJM5532
VA=
±
5V
VP=
±
15V
4.7k
10
μ
+
10k
10k
0.1
μ
Bias
VA+
2.45Vpp
2.45Vpp
VP+
VP-
Bias
470p
3k
470p
Bias
10n
Figure 1. Full-differential input buffer circuit example
1: In case of using the BNC connector
[JP2, JP3, JP4, JP5]: Short
[R11, R18]:
The resistor value of R10 and R19 should be properly selected in order to much the output
impedance of the signal source.
Open
2: In case of using the Cannon connector
[JP2, JP3, JP4, JP5]:
The resistor value of R10, R11, R18 and R19 should be properly selected in order to much the
output impedance of the signal source.
Open
* AKM assumes no responsibility for the trouble when using the above circuit examples.
I
Power supply and Decoupling
VA and VD supplies to the AK5393 are decoupled separately in order to minimize the effect of the digital noise. A system
analog supply is fed to VA. VA and VD lines should be distributed separately from the power unit.
Decoupling capacitors are connected to AK5393 as near as possible, particularly the ceramic capacitor to the VREFL/R
pin.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AKD5393 | EVALUATION BOARD REV.A FOR AK5393 |
| AKD5394A | Super High Performance 192kHz 24-Bit ADC |
| AK5394A | RES, 10K 5% 0.1W, 0603 |
| AK5394AVS | Super High Performance 192kHz 24-Bit ADC |
| AKM4550 | JT 41C 41#20 PIN PLUG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AKD5394A | 制造商:AKM 制造商全稱:AKM 功能描述:24bit A/D converter for professional audio |
| AKD5602A | 制造商:AKM 制造商全稱:AKM 功能描述:Evaluation board for AK5602A |
| AKD5700 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Mono ADC with PLL & MIC-AMP |
| AKD5700-A | 制造商:AKM 制造商全稱:AKM 功能描述:digital audio 16bit A/D converter |
| AKD5701 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ Stereo ADC with PLL & MIC-AMP |
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