7872RPFB データシートの表示（PDF） - MAXWELL TECHNOLOGIES
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7872RPFB Datasheet PDF : 11 Pages
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14-Bit A/D Converter
7872
PARAMETER
TABLE 6. 7872 DC ELECTRICAL CHARACTERISTICS FOR REFERENCE OUTPUT
(VDD = 5V ±5%, VSS = -5 V ± 5%, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL
SUGGROUPS
MIN
MAX
REFOUT @ +25 °C
--
REFOUT TMIN to TMAX
--
REFOUT Tempco: Typically 35ppm
--
Reference Load Sensitivity (DREFOUT/DI) Reference Load Current
--
Change (0-300 µ A); Reference Load Should Not Be Changed Dur-
ing Conversion
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
2.99 3.01
2.98 3.02
--
± 40
--
1.2
UNIT
V
V
ppm/oC
mV
PARAMETER
TABLE 7. 7872 DC ELECTRICAL CHARACTERISTICS FOR LOGIC INPUTS
(VDD = 5V ±5%, VSS = -5 V ± 5%, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL
SUGGROUPS
MIN
MAX
UNIT
Input High Voltage: VDD 5 V ± 5%
Input Low Voltage: VDD 5 V ± 5%
Input Current: VIN = 0 V to VDD
Input Current: (14/8/CLK input only) VIN = VSS to VDD
Input Capacitance 1
VINH
1, 2, 3
2.4
--
V
VINL
1, 2, 3
--
0.8
V
IIN
1, 2, 3
-10
10
µA
--
1, 2, 3
-10
10
µA
CIN
1, 2, 3
--
10
pF
1. Not tested.
PARAMETER
TABLE 8. 7872 DC ELECTRICAL CHARACTERISTICS FOR LOGIC OUTPUTS
(VDD = 5V ±5%, VSS = -5 V ± 5%, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL
SUBGROUPS
MIN
MAX
UNIT
Output High Voltage ISOURCE = 40 µ A
Output Low Voltage ISINK = 1.6 mA
Floating-State Leakage Current
VOH
1, 2, 3
4.0
--
V
VOL
1, 2, 3
--
0.4
V
--
1, 2, 3
--
10 µ A
Floating-State Output Capacitance 1
--
1, 2, 3
--
15 pF
1. Not tested.
PARAMETER
TABLE 9. 7872 DC ELECTRICAL CHARACTERISTICS FOR CONVERSION TIME
(VDD = 5V ±5%, VSS = -5 V ± 5%, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL
SUBGROUPS
MIN
MAX
UNIT
External Clock
--
1, 2, 3
--
10
µs
Internal Clock: Nominal Value = 2 MHz
--
1, 2, 3
--
11
µs
5.21.02 Rev 4
All data sheets are subject to change without notice 4
©2001 Maxwell Technologies
All rights reserved.
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