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AD4007 Datasheet(PDF) 4 Page - Analog Devices

Part # AD4007
Description  Precision, Differential SAR ADCs
PDF  38 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD4007 Datasheet(HTML) 4 Page - Analog Devices

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AD4003/AD4007/AD4011
Data Sheet
Rev. B | Page 4 of 38
SPECIFICATIONS
VDD = 1.71 V to 1.89 V; VIO = 1.71 V to 5.5 V; VREF = 5 V; all specifications TMIN to TMAX, high-Z mode disabled, span compression
disabled, turbo mode enabled, and sampling frequency fS = 2 MSPS for the AD4003, fS = 1 MSPS for the AD4007, and fS = 500 kSPS for
the AD4011, unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
18
Bits
ANALOG INPUT
Voltage Range
IN+ voltage (VIN+) − IN− voltage
(VIN−)
−VREF
+VREF
V
Span compression enabled
−VREF × 0.8
+VREF × 0.8
V
Operating Input Voltage
VIN+, VIN− to GND
−0.1
VREF + 0.1
V
Span compression enabled
0.1 × VREF
0.9 × VREF
V
Common-Mode Input Range
VREF/2 − 0.125
VREF/2
VREF/2 + 0.125
V
Common-Mode Rejection Ratio (CMRR)
fIN = 500 kHz
68
dB
Analog Input Current
Acquisition phase, T = 25°C
0.3
nA
High-Z mode enabled, converting
dc input at 2 MSPS
1
μA
THROUGHPUT
Complete Cycle
AD4003
500
ns
AD4007
1000
ns
AD4011
2000
ns
Conversion Time
270
290
320
ns
Acquisition Phase1
AD4003
290
ns
AD4007
790
ns
AD4011
1790
ns
Throughput Rate2
AD4003
0
2
MSPS
AD4007
0
1
MSPS
AD4011
0
500
kSPS
Transient Response3
250
ns
DC ACCURACY
No Missing Codes
18
Bits
Integral Nonlinearity Error (INL)
−1.0
±0.4
+1.0
LSB
−3.8
±1.52
+3.8
ppm
Differential Nonlinearity Error (DNL)
−0.75
±0.3
+0.75
LSB
Transition Noise
0.8
LSB
Zero Error
−7
+7
LSB
Zero Error Drift4
−0.21
+0.21
ppm/°C
Gain Error
−26
±3
+26
LSB
Gain Error Drift4
−1.23
+1.23
ppm/°C
Power Supply Sensitivity
VDD = 1.8 V ± 5%
1.5
LSB
1/f Noise5
Bandwidth = 0.1 Hz to 10 Hz
6
μV p-p



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