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AD7674 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD7674
Description  16-Bit, 250 kSPS CMOS ADC
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7674 Datasheet(HTML) 2 Page - Analog Devices

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AD7663–SPECIFICATIONS (–40 C to +85 C,AVDD=DVDD=5V,OVDD=2.7 V to 5.25 V, unless otherwise noted.)
REV. B
–2–
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIND – VINGND
±4 REF, 0 V to 4 REF, ±2 REF (See Table I)
Common-Mode Input Voltage
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 45 kHz
62
dB
Input Impedance
See Table I
THROUGHPUT SPEED
Complete Cycle
4µs
Throughput Rate
0
250
kSPS
DC ACCURACY
Integral Linearity Error
–3+3
LSB
1
No Missing Codes
16
Bits
Transition Noise
0.7
LSB
Bipolar Zero Error
2, T
MIN to TMAX
±5 V Range
–25
+25
LSB
Other Range
–0.06
+0.06
% of FSR
Bipolar Full-Scale Error
2, T
MIN to TMAX
–0.25
+0.25
% of FSR
Unipolar Zero Error
2, T
MIN to TMAX
–0.18
+0.18
% of FSR
Unipolar Full-Scale Error
2, T
MIN to TMAX
–0.38
+0.38
% of FSR
Power Supply Sensitivity
AVDD = 5 V ±5%
±0.1
LSB
AC ACCURACY
Signal-to-Noise
fIN = 10 kHz
89
90
dB
3
fIN = 100 kHz
90
dB
Spurious-Free Dynamic Range
fIN = 100 kHz
100
dB
Total Harmonic Distortion
fIN = 100 kHz
–100
dB
Signal-to-(Noise+Distortion)
fIN = 10 kHz
88.5
90
dB
fIN = 100 kHz, –60 dB Input
30
dB
–3 dB Input Bandwidth
800
kHz
SAMPLING DYNAMICS
Aperture Delay
2ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
2.75
µs
REFERENCE
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
250 kSPS Throughput
50
µA
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
+2.0
DVDD + 0.3
V
IIL
–1+1
µA
IIH
–1+1
µA
DIGITAL OUTPUTS
Data Format
Parallel or Serial 16-Bit
Pipeline Delay
Conversion Results Available Immediately
after Completed Conversion
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –500 µA
OVDD – 0.6
V
POWER SUPPLIES
Specified Performance
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
OVDD
2.7
5.25
4
V
Operating Current
250 kSPS Throughput
AVDD
5mA
DVDD
5
1.8
mA
OVDD
5
10
µA
Power Dissipation
6
250 kSPS Throughput
5
35
41
mW
100 SPS Throughput
5
15
µW
In Power-Down Mode
7
7µW
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)


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