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AD7652AST Datasheet(PDF) 3 Page - Analog Devices

Part # AD7652AST
Description  16-Bit 500 kSPS PulSARTM Unipolar ADC with Reference
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

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AD7652
SPECIFICATIONS
Table 2. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN – VINGND
0
VREF
V
Operating Input Voltage
VIN
–0.1
+3
V
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 10 kHz
65
dB
Input Current
500 kSPS Throughput
6.1
µA
Input Impedance1
THROUGHPUT SPEED
Complete Cycle
2
µs
Throughput Rate
0
500
kSPS
DC ACCURACY
Integral Linearity Error
–6
+6
LSB2
No Missing Codes
15
Bits
Differential Linearity Error
–2
+3
LSB
Transition Noise
0.7
LSB
Unipolar Zero Error, TMIN to TMAX3
±5
LSB
Unipolar Zero Error Temperature Drift3
±0.24
ppm/°C
Full-Scale Error, TMIN to TMAX 3
REF = 2.5 V
±0.12
% of FSR
Full-Scale Error Temperature Drift
±0.5
ppm/°C
Power Supply Sensitivity
AVDD = 5 V ± 5%
±2
LSB
AC ACCURACY
Signal-to-Noise
fIN = 100 kHz
86
dB4
Spurious Free Dynamic Range
fIN = 100 kHz
98
dB
Total Harmonic Distortion
fIN = 45 kHz
–98
dB
fIN = 100 kHz
–96
dB
Signal-to-(Noise + Distortion)
fIN = 100 kHz
86
dB
–60 dB Input, fIN = 100 kHz
30
dB
–3 dB Input Bandwidth
12
MHz
SAMPLING DYNAMICS
Aperture Delay
2
ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
750
ns
REFERENCE
Internal Reference Voltage
VREF @ 25°C
2.48
2.5
2.52
V
Internal Reference Temperature Drift
–40°C to +85°C
±7
ppm/°C
Line Regulation
AVDD = 5 V ± 5%
±24
ppm/V
Turn-On Settling Time
CREF = 10 µF
5
ms
Temperature Pin
Voltage Output @ 25°C
300
mV
Temperature Sensitivity
1
mV/°C
Output Resistance
4.3
kΩ
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
500 kSPS Throughput
110
µA
Rev. 0 | Page 3 of 28


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