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AD7699 Datasheet, PDF (3/28 Pages) Analog Devices – 16-Bit, 8-Channel, 500 kSPS PulSAR ADC | |||
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AD7699
SPECIFICATIONS
VDD = 4.5 V to 5.5 V, VREF = 4.096 to VDD, VIO = 1.8 V to 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
AC Accuracy
Dynamic Range
Signal-to-Noise
SINAD
Total Harmonic Distortion
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
SAMPLING DYNAMICS
â3 dB Input Bandwidth
Aperture Delay
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
Full-scale step, full bandwidth
Full-scale step, ¼ bandwidth
REF = VDD = 5 V
All modes
All modes
VDD = 5 V ± 5%
fIN = 20 kHz, VREF = 5 V
fIN = 20 kHz, VREF = 4.096 V internal REF
fIN = 20 kHz, VREF = 5 V
fIN = 20 kHz, VREF = 5 V, â60 dB input
fIN = 20 kHz, VREF = 4.096 V internal REF
fIN = 20 kHz
fIN = 20 kHz
fIN = 100 kHz on adjacent channel(s)
Full bandwidth
¼ bandwidth
VDD = 5 V
Min
Typ Max
Unit
16
Bits
0
âVREF/2
â0.1
â0.1
+VREF
V
+VREF/2
V
VREF + 0.1 V
+0.1
V
VREF/2 â 0.1 VREF/2 VREF/2 + 0.1 V
68
dB
1
nA
0
500
kSPS
0
125
kSPS
400
ns
1600
ns
16
Bits
â1.5
±0.5 +1.5
LSB3
â1
±0.25 +1.5
LSB
0.5
LSB
â10
±1 +10
LSB
â3
±1 +3
LSB
±0.3
ppm/°C
â10
±1 +10
LSB
â3
±1 +3
LSB
±0.3
ppm/°C
±1.5
LSB
93.3
dB5
92
92.5
dB
89.5
91.5
dB
90
91.5
dB
33.5
dB
89
90.5
dB
â97
dB
112
dB
â125
dB
14
MHz
3.6
MHz
2.5
ns
Rev. 0 | Page 3 of 28
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