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AD4004 Datasheet(PDF) 4 Page - Analog Devices

Part # AD4004
Description  Precision, Pseudo Differential, SAR ADCs
PDF  36 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD4004 Datasheet(HTML) 4 Page - Analog Devices

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AD4000/AD4004/AD4008
Data Sheet
Rev. C | Page 4 of 36
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 AD4000, fS = 1 MSPS for the AD4004, and fS = 500 kSPS for the AD4008,
unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
IN+ voltage (VIN+) − IN− voltage (VIN−)
0
VREF
V
Operating Input Voltage
VIN+ to GND
−0.1
VREF + 0.1
V
VIN− to GND
−0.1
+0.1
V
Span compression enabled
0.1 × VREF
0.9 × VREF
V
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
AD4000
500
ns
AD4004
1000
ns
AD4008
2000
ns
Conversion Time
270
290
320
ns
Acquisition Phase1
AD4000
290
ns
AD4004
790
ns
AD4008
1790
ns
Throughput Rate2
AD4000
0
2
MSPS
AD4004
0
1
MSPS
AD4008
0
500
kSPS
Transient Response3
150
ns
DC ACCURACY
No Missing Codes
16
Bits
Integral Nonlinearity Error (INL)
−1.0
±0.2
+1.0
LSB
T = 0°C to 85°C
−0.8
±0.2
+0.8
LSB
Differential Nonlinearity Error (DNL)
−0.5
±0.15
+0.5
LSB
Transition Noise
0.5
LSB
Zero Error
−4.5
+4.5
LSB
Zero Error Drift4
−0.55
+0.55
ppm/°C
Gain Error
−20
±3
+20
LSB
Gain Error Drift4
−0.92
+0.92
ppm/°C
Power Supply Sensitivity
VDD = 1.8 V ± 5%
0.5
LSB
1/f Noise5
Bandwidth = 0.1 Hz to 10 Hz
6
µV p-p
AC ACCURACY
Dynamic Range
93.5
dB
Total RMS Noise
37
µV rms
fIN = 1 kHz, −0.5 dBFS, VREF = 5 V
Signal-to-Noise Ratio (SNR)
91
93
dB
Spurious-Free Dynamic Range (SFDR)
112
dB
Total Harmonic Distortion (THD)
−115
dB
Signal-to-Noise-and-Distortion Ratio
(SINAD)
91
92.5
dB
Oversampled Dynamic Range
Oversampling ratio (OSR) = 256,
VREF = 5 V
117
dB



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