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ADS7866 데이터 시트보기 (PDF) - Burr-Brown -> Texas Instruments

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ADS7866 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE BB
Burr-Brown -> Texas Instruments BB
ADS7866 Datasheet PDF : 28 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
www.ti.com
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TYPICAL CHARACTERISTICS ADS7866
FFT (8192 Points)
VDD = 1.6 V,
fSAMPLE = 200 kSPS,
fi = 30 kHz,
SNR = 72.31 dB,
SINAD = 71.97 dB,
THD (9) = −83.18 dB,
SFDR = 86.83 dB
10
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40
50
60
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fi − Input Frquency − kHz
Figure 2.
VDD = 1.2 V,
fSAMPLE = 100 kSPS,
fi = 30 kHz,
SNR = 71.42 dB,
SINAD = 67.62 dB,
THD (9) = −69.96 dB,
SFDR = 75.14 dB
FFT (8192 Points)
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fi − Input Frquency − kHz
Figure 3.
ADS7866
ADS7867
ADS7868
SLAS465 – JUNE 2005
100
50
SIGNAL-TO-NOISE RATIO
vs
INPUT FREQUENCY
73
72.5
72 VDD = 2.5 V, 200 KSPS
71.5
VDD = 3.6 V,
200 KSPS
71
70.5
VDD = 1.6 V,
200 KSPS
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VDD = 1.2 V,
100 KSPS
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67.5
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1
10
100
fi − Input Frequency − kHz
1000
Figure 4.
SIGNAL-TO-NOISE
AND DISTORTION
vs
INPUT FREQUENCY
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
73
VDD = 3.6 V, 200 KSPS
71
VDD = 2.5 V,
69
200 KSPS
67
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VDD = 1.2 V,
100 KSPS
VDD = 1.6 V,
200 KSPS
−56
THD Using 2nd − 10th harmonics,
−58 TA = 25°C
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−64
VDD = 1.6 V, 200 KSPS
−66
−68
VDD = 2.5 V,
200 KSPS
−70
VDD = 1.2 V,
100 KSPS
63
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−80
VDD = 3.6V,
200 KSPS
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1
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100
1000
1
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100
1000
fi − Input Frequency − kHz
fi − Input Frequency − kHz
Figure 5.
Figure 6.
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