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RHF1401 データシート(PDF) 3 Page - STMicroelectronics

部品番号 RHF1401
部品情報  Rad-hard 14-bit 20Msps 85mW A/D converter
PDF  29 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

RHF1401 データシート(HTML) 3 Page - STMicroelectronics

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RHF1401
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List of figures
Figure 1.
RHF1401 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2.
S0-48 pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 3.
Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4.
Linearity vs. Fin, internal references, Fs = 20 MHz, Icca = 40 mA . . . . . . . . . . . . . . . . . . . . 12
Figure 5.
Linearity vs. Fin, external references (REFP = 1 V), Fs =20 MHz, Icca= 28 mA . . . . . . . . 12
Figure 6.
Distortion vs. Fin, internal refs, Fs =20 MHz, Icca = 40 mA . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 7.
Distortion vs. Fin, external ref, (REFP = 1 V) Fs = 20 MHz; Icca = 28 mA . . . . . . . . . . . . . 12
Figure 8.
2nd & 3rd harmonics vs. Fin, internal refs, Fs = 20 MHz; Icca = 40 mA. . . . . . . . . . . . . . . . . 13
Figure 9.
2nd & 3rd harmonics vs. Fin, external ref REFP=1 V, Fs=20MHz; Icca=28mA . . . . . . . . . . . 13
Figure 10.
Single-tone 16K FFT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 11.
Single-tone 16K FFT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 12.
SFDR vs. input amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 13.
Static parameter: differential non linearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 14.
Static parameter: integral non linearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 15.
Linearity vs. REFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 16.
Distortion vs. REFP(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 17.
External reference setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 18.
Linearity vs. Fs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 19.
Distortion vs. Fs
(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 20.
ADC input equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 21.
Differential input configuration with transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 22.
AC-coupled differential input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 23.
Analog current consumption vs. Fs according to value of Rpol polarization resistances:
internal references (for Fin < 10MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 24.
Impact of clock frequency on RHF1401 performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 25.
CLK signal derivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 26.
SO-48 package mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26



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