AD7190 데이터 시트보기 (PDF) - Analog Devices
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AD7190 Datasheet PDF : 40 Pages
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AD7190
Parameter
POWER REQUIREMENTS6
Power Supply Voltage
AVDD − AGND
DVDD − DGND
Power Supply Currents
AIDD Current
DIDD Current
IDD (Power-Down Mode)
AD7190B
4.75/5.25
2.7/5.25
1
1.3
4.5
4.75
6.2
6.75
0.4
0.6
1.5
2
Unit
V min/max
V min/max
mA max
mA max
mA max
mA max
mA max
mA max
mA max
mA max
mA typ
μA max
Test Conditions/Comments1
0.85 mA typical, gain = 1, buffer off.
1.1 mA typical, gain = 1, buffer on.
3.5 mA typical, gain = 8, buffer off.
4 mA typical, gain = 8, buffer on.
5 mA typical, gain = 16 to 128, buffer off.
5.5 mA typical, gain = 16 to 128, buffer on.
0.35 mA typical, DVDD = 3 V.
0.5 mA typical, DVDD = 5 V.
External crystal used.
1 Temperature range: −40°C to +105°C.
2 Specification is not production tested but is supported by characterization data at initial product release.
3 Following a system or internal zero-scale calibration, the offset error is in the order of the noise for the programmed gain and output data rate selected. A system full-
scale calibration reduces the gain error to the order of the noise for the programmed gain and output data rate.
4 Full-scale error applies to both positive and negative full scale and applies at the factory calibration conditions (AVDD = 5 V, gain = 1, TA = 25°C).
5 REJ60 is a bit in the mode register. When the output data rate is set to 50 Hz, setting REJ60 to 1 places a notch at 60 Hz, allowing simultaneous 50 Hz/60 Hz rejection.
6 Digital inputs equal to DVDD or GND.
Rev. 0 | Page 6 of 40
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