EVAL-CED1Z Просмотр технического описания (PDF) - Analog Devices
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EVAL-CED1Z Datasheet PDF : 28 Pages
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AD7679
SPECIFICATIONS
–40°C to +85°C, VREF = 4.096 V, AVDD = DVDD= 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
Voltage Range
Operating Input Voltage
Analog Input CMRR
Input Current
Input Impedance1
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
Zero Error, TMIN to TMAX
Zero Error Temperature Drift
Gain Error, TMIN to TMAX3
Gain Error Temperature Drift
Power Supply Sensitivity
AC ACCURACY
Signal-to-Noise
Dynamic Range
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
REFERENCE
External Reference Voltage Range
REF Voltage with Reference Buffer
Reference Buffer Input Voltage Range
REFBUFIN Input Current
REF Current Drain
Conditions
VIN+ – VIN–
VIN+, VIN– to AGND
fIN = 100 kHz
570 kSPS Throughput
Min
Typ
18
–VREF
–0.1
68
25
VREF = 5 V
AVDD = 5 V ± 5%
fIN = 2 kHz, VREF = 5 V
VREF = 4.096 V
fIN = 10 kHz, VREF = 4.096 V
fIN = 100 kHz, VREF = 4.096 V
VIN+ = VIN– = VREF/2 = 2.5 V
fIN = 2 kHz
fIN = 10 kHz
fIN = 100 kHz
fIN = 2 kHz
fIN = 10 kHz
fIN = 100 kHz
fIN = 2 kHz, VREF = 4.096 V
fIN = 2 kHz, –60 dB Input
0
–2.5
–1
18
–40
–0.048
97.5
Full-Scale Step
REF
3
REFBUFIN = 2.5 V
4.05
REFBUFIN
1.8
–1
570 kSPS Throughput
0.7
±0.5
See Note 3
±1.6
±4
101
99
98
97
103
120
118
105
–115
–113
–98
98
40
26
2
5
4.096
4.096
2.5
235
Max
+VREF
AVDD+0.1
1.75
570
+2.5
+1.75
+40
+0.048
250
250
AVDD + 0.1
4.15
2.6
+1
Unit
Bits
V
V
dB
μA
μs
kSPS
LSB2
LSB
Bits
LSB
LSB
ppm/°C
% of FSR
ppm/°C
LSB
dB4
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
ns
ps rms
ns
ns
V
V
V
μA
μA
Rev. A | Page 3 of 28
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