AD7623ASTZRL Просмотр технического описания (PDF) - Analog Devices
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AD7623ASTZRL Datasheet PDF : 28 Pages
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AD7623
SPECIFICATIONS
AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; VREF = 2.5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
RESOLUTION
16
ANALOG INPUT
Voltage Range
Operating Input Voltage
Analog Input CMRR
Input Current
Input Impedance2
VIN+ − VIN−
VIN+, VIN− to AGND
fIN = 100 kHz
1.33 MSPS throughput
−VREF
−0.1
+VREF
AVDD 1
55
10
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
750
0
1.33
DC ACCURACY
Integral Linearity Error3
No Missing Codes
Differential Linearity Error
Transition Noise
Transition Noise
Zero Error, TMIN to TMAX5
Zero Error Temperature Drift
Gain Error, TMIN to TMAX5
Gain Error Temperature Drift
Power Supply Sensitivity
VREF = 2.048 V, PDREF = high
VREF = 2.048 V, PDREF = high
VREF = 2.048 V, PDREF = high
VREF = 2.5 V
VREF = 2.048 V
AVDD = 2.5 V ± 5%
−2
16
−1
−30
−0.38
±1
+2
+2
0.70
0.82
+30
±1
+0.38
±2
±2
AC ACCURACY
Dynamic Range
fIN = 20 kHz
90
Signal-to-Noise
fIN = 20 kHz
88
89.5
fIN = 20 kHz, VREF = 2.048 V
86
88
fIN = 100 kHz
89
Spurious-Free Dynamic Range
fIN = 20 kHz
97
fIN = 100 kHz
96
Total Harmonic Distortion
fIN = 20 kHz
–97
fIN = 100 kHz
−95
Signal-to-(Noise + Distortion)
fIN = 20 kHz
87.5
88.5
fIN = 20 kHz, VREF = 2.048 V
87.5
fIN = 100 kHz
88
–3 dB Input Bandwidth
50
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Full-scale step
1
5
50
INTERNAL REFERENCE
Output Voltage
Temperature Drift
Line Regulation
Turn-On Settling Time
REFBUFIN Output Voltage
PDREF = PDBUF = low
REF @ 25°C
–40°C to +85°C
AVDD = 2.5 V ± 5%
CREF = 10 μF
REFBUFIN @ 25°C
2.038
2.048
±7
±15
5
1.2
2.058
REFBUFIN Output Resistance
6.33
Unit
Bits
V
V
dB
μA
ns
MSPS
LSB4
Bits
LSB
LSB
LSB
LSB
ppm/°C
% of FSR
ppm/°C
LSB
dB6
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
ns
ps rms
ns
V
ppm/°C
ppm/V
ms
V
kΩ
Rev. 0 | Page 3 of 28
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