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RHF1401 データシート(PDF) 9 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) 9 Page - STMicroelectronics

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RHF1401
Electrical characteristics (unchanged after 300kRad)
9/29
5
Electrical characteristics (unchanged after 300kRad)
Test conditions are the following (unless otherwise specified):
●
AVCC = DVCC = VCCB = 2.5 V
●
Fs= 20 Msps
●
Fin= 2 MHz
●
Vin@ -1 dBSF
●
VREFM = 0 V
●
Tamb= 25° C
Table 5.
Analog inputs
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
VIN-VINB Full scale reference voltage VREFP= 1 V
2
Vpp
Cin
Input capacitance
8
pF
Zin
Input impedance
Fs= 20 Msps
3.3
kOhms
ERB
Effective resolution
bandwidth(1)
1.
See Section 8: Definitions of specified parameters on page 24 for more information.
70
MHz
Table 6.
Internal references
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Rout
Output resistance of
internal ref
REFMODE=’0’
internal reference on
30
Ohm
REFMODE=’1’
internal reference off
7.5
kOhm
VREFP
Top internal reference
voltage
REFMODE=’0’
0.84
V
VREFM Bottom internal ref. voltage REFMODE=’0’
0
V
VINCM
Input common mode
voltage
REFMODE=’0’
0.44
V
Table 7.
External references
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
VREFP
Forced top reference
voltage
REFMODE=’1’
0.8
1.4
V
VREFM Forced bottom ref. voltage
REFMODE=’1’
0
0.2
V
VINCM
Forced common mode
voltage
REFMODE=’1’
0.4
1
V



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