AD7682 데이터 시트보기 (PDF) - Analog Devices
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AD7682 Datasheet PDF : 28 Pages
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AD7682/AD7689
SPECIFICATIONS
VDD = 2.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
Voltage Range
Absolute Input Voltage
Analog Input CMRR
Leakage Current at 25°C
Input Impedance1
THROUGHPUT
Conversion Rate
Full Bandwidth2
¼ Bandwidth2
Transient Response
ACCURACY
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Transition Noise
Gain Error4
Gain Error Match
Gain Error Temperature Drift
Offset Error4
Offset Error Match
Offset Error Temperature Drift
Power Supply Sensitivity
Conditions/Comments
Unipolar mode
Bipolar mode
Positive input, unipolar and bipolar modes
Negative or COM input, unipolar mode
Negative or COM input, bipolar mode
fIN = 250 kHz
Acquisition phase
VDD = 4.5 V to 5.5 V
VDD = 2.7 V to 4.5 V
VDD = 2.3 V to 2.7 V
VDD = 4.5 V to 5.5 V
VDD = 2.7 V to 4.5 V
VDD = 2.3 V to 2.7 V
Full-scale step, full bandwidth
Full-scale step, ¼ bandwidth
REF = VDD = 5 V
VDD = 5 V ± 5%
AD7682B/AD7689B
Min
Typ Max
Unit
16
Bits
0
+VREF
V
−VREF/2
+VREF/2
−0.1
VREF + 0.1 V
−0.1
+0.1
VREF/2 − 0.1 VREF/2 VREF/2 + 0.1
68
dB
1
nA
0
250
kSPS
0
200
kSPS
0
190
kSPS
0
60
kSPS
0
50
kSPS
0
47
kSPS
1.8
μs
14.5
μs
16
Bits
−1.5
±0.5 +1.5
LSB3
−1
±0.25 +1.5
LSB
0.5
LSB
−30
±2 +30
LSB
−2
±0.5 +2
LSB
±1
ppm/°C
±2
LSB
−2
±0.5 +2
LSB
±1
ppm/°C
±1.5
LSB
Rev. 0 | Page 3 of 28
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