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AD7634 Datasheet(PDF) 3 Page - Analog Devices

Part # AD7634
Description  14-Bit, 1 MSPS, Differential, Programmable Input PulSAR ADC
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7634 Datasheet(HTML) 3 Page - Analog Devices

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AD7952
Rev. 0 | Page 3 of 32
SPECIFICATIONS
AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
14
Bits
ANALOG INPUTS
Differential Voltage Range, VIN
(VIN+) − (VIN−)
0 V to 5 V
VIN = 10 V p-p
−VREF
+VREF
V
0 V to 10 V
VIN = 20 V p-p
−2 VREF
+2 VREF
V
±5 V
VIN = 20 V p-p
−2 VREF
+2 VREF
V
±10 V
VIN = 40 V p-p
−4 VREF
+4 VREF
V
Operating Voltage Range
VIN+, VIN− to AGND
0 V to 5 V
−0.1
+5.1
V
0 V to 10 V
−0.1
+10.1
V
±5 V
−5.1
+5.1
V
±10 V
−10.1
+10.1
V
Common-Mode Voltage Range
VIN+, VIN−
5 V
VREF/2 − 0.1
VREF/2
VREF/2 + 0.1
V
10 V
VREF − 0.2
VREF
VREF + 0.2
V
Bipolar Ranges
−0.1
0
+0.1
V
Analog Input CMRR
fIN = 100 kHz
75
dB
Input Current
VIN = ±5 V, ±10 V @ 670 kSPS
2201
μA
Input Impedance
See Analog Inputs section
THROUGHPUT SPEED
Complete Cycle
In warp mode
1
μs
Throughput Rate
In warp mode
1
1
MSPS
Time Between Conversions
In warp mode
1
ms
Complete Cycle
In normal mode
1.25
μs
Throughput Rate
In normal mode
0
800
kSPS
Complete Cycle
In impulse mode
1.49
μs
Throughput Rate
In impulse mode
0
670
kSPS
DC ACCURACY
Integral Linearity Error2
−1
±0.3
+1
LSB3
No Missing Codes2
14
Bits
Differential Linearity Error2
−1
+1
LSB
Transition Noise
0.55
LSB
Zero Error (Unipolar or Bipolar)
−15
+15
LSB
Zero-Error Temperature Drift
±1
ppm/°C
Full-Scale Error (Unipolar or Bipolar)
−20
+20
LSB
Full-Scale Error Temperature Drift
±1
ppm/°C
Power Supply Sensitivity
AVDD = 5 V ± 5%
±0.8
LSB
AC ACCURACY
Dynamic Range
fIN = 2 kHz, −60 dB
84.5
85.5
dB4
Signal-to-Noise Ratio, SNR
fIN = 2 kHz
84.5
85.5
dB
fIN = 20 kHz
85.5
dB
Signal-to-(Noise + Distortion), SINAD
fIN = 2 kHz
83
85.4
dB
Total Harmonic Distortion
fIN = 2 kHz
−105
dB
Spurious-Free Dynamic Range
fIN = 2 kHz
102
dB
−3 dB Input Bandwidth
VIN = 0 V to 5 V
45
MHz
Aperture Delay
2
ns
Aperture Jitter
5
ps rms
Transient Response
Full-scale step
500
ns


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