AD7631(2011) Ver la hoja de datos (PDF) - Analog Devices
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AD7631 Datasheet PDF : 32 Pages
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AD7631
SPECIFICATIONS
AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
RESOLUTION
ANALOG INPUTS
Differential Voltage Range, VIN
0 V to 5 V
0 V to 10 V
±5 V
±10 V
Operating Voltage Range
0 V to 5 V
0 V to 10 V
±5 V
±10 V
Common-Mode Voltage Range
5V
10 V
Bipolar Ranges
Analog Input CMRR
Input Current
Input Impedance
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error2
No Missing Codes
Differential Linearity Error2
Transition Noise
Unipolar Zero Error
Bipolar Zero Error
Zero-Error Temperature Drift
Bipolar Full-Scale Error
Unipolar Full-Scale Error
Full-Scale Error Temperature Drift
Power Supply Sensitivity
AC ACCURACY
Dynamic Range
Signal-to-Noise Ratio
Signal-to-(Noise + Distortion), SINAD
Total Harmonic Distortion
Spurious-Free Dynamic Range
−3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Conditions/Comments
(VIN+) − (VIN−)
VIN = 10 V p-p
VIN = 20 V p-p
VIN = 20 V p-p
VIN = 40 V p-p
VIN+, VIN− to AGND
VIN+, VIN−
fIN = 100 kHz
250 kSPS throughput
See Analog Inputs section
250 kSPS throughput
AVDD = 5 V ± 5%
VIN = 0 to 5 V, fIN = 2 kHz, −60 dB
VIN = all other input ranges, fIN = 2 kHz, −60 dB
VIN = 0 to 5 V, fIN = 2 kHz
VIN = all other input ranges, fIN = 2 kHz
fIN = 2 kHz
fIN = 2 kHz
fIN = 2 kHz
VIN = 0 V to 5 V
Full-scale step
Min
Typ Max
Unit
18
Bits
−VREF
−2 VREF
−2 VREF
−4 VREF
+VREF
V
+2 VREF
V
+2 VREF
V
+4 VREF
V
−0.1
−0.1
−5.1
−10.1
+5.1
V
+10.1
V
+5.1
V
+10.1
V
VREF/2 − 0.1 VREF/2 VREF/2 + 0.1 V
VREF − 0.2
VREF
VREF + 0.2
V
−0.1
0
+0.1
V
75
dB
80 1
μA
−2.5
18
−1
−0.06
−0.03
−0.09
−0.07
100
100
99.5
100
4.0
250
±1.5 +2.5
+2.5
0.75
+0.06
+0.03
±0.5
+0.09
+0.07
±0.5
3
101.8
102.5
100.5
101
100
112
113
45
2
5
500
μs
kSPS
LSB 3
Bits
LSB
LSB
%FS
%FS
ppm/°C
%FS
%FS
ppm/°C
LSB
dB 4
dB
dB
dB
dB
dB
dB
MHz
ns
ps rms
ns
Rev. A | Page 3 of 32
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