AD7678 查看數據表（PDF） - Analog Devices
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AD7678 Datasheet PDF : 23 Pages
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AD7665–SPECIFICATIONS (–40؇C to +85؇C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
Parameter
RESOLUTION
ANALOG INPUT
Voltage Range
Common-Mode Input Voltage
Analog Input CMRR
Input Impedance
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
Time between Conversions
Complete Cycle
Throughput Rate
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error
No Missing Codes
Transition Noise
Bipolar Zero Error2, TMIN to TMAX
Bipolar Full-Scale Error2, TMIN to TMAX
Unipolar Zero Error2, TMIN to TMAX
Unipolar Full-Scale Error2, TMIN to TMAX
Power Supply Sensitivity
AC ACCURACY
Signal-to-Noise
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
REFERENCE
External Reference Voltage Range
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
VIL
VIH
IIL
IIH
DIGITAL OUTPUTS
Data Format
Pipeline Delay
VOL
VOH
POWER SUPPLIES
Specified Performance
AVDD
DVDD
OVDD
Operating Current5
AVDD
DVDD6
OVDD6
Conditions
VIND – VINGND
VINGND
fIN = 180 kHz
In Warp Mode
In Warp Mode
In Warp Mode
In Normal Mode
In Normal Mode
In Impulse Mode
In Impulse Mode
±5 V Range, Normal or
Impulse Modes
Other Range or Mode
AVDD = 5 V ±5%
fIN = 10 kHz
fIN = 180 kHz
fIN = 180 kHz
fIN = 180 kHz
fIN = 10 kHz
fIN = 180 kHz, –60 dB Input
Full-Scale Step
570 kSPS Throughput
ISINK = 1.6 mA
ISOURCE = –570 µA
570 kSPS Throughput
–2–
Min
Typ
Max
16
±4 REF, 0 V to 4 REF, ±2 REF (See Table I)
–0.1
+0.5
62
See Table I
1.75
1
570
1
2
0
500
2.25
0
444
–2.5
16
0.7
–25
–0.06
–0.25
–0.18
–0.38
±9.5
+2.5
+25
+0.06
+0.25
+0.18
+0.38
89
90
90
100
–100
88.5
90
30
3.6
2
5
1
2.3
2.5
114
AVDD – 1.85
–0.3
+0.8
+2.0
DVDD + 0.3
–1
+1
–1
+1
Parallel or Serial 16-Bit
Conversion Results Available Immediately
after Completed Conversion
0.4
OVDD – 0.6
4.75
5
4.75
5
2.7
14
4.5
20
5.25
5.25
5.254
Unit
Bits
V
dB
µs
kSPS
ms
µs
kSPS
µs
kSPS
LSB1
Bits
LSB
LSB
% of FSR
% of FSR
% of FSR
% of FSR
LSB
dB3
dB
dB
dB
dB
dB
MHz
ns
ps rms
µs
V
µA
V
V
µA
µA
V
V
V
V
V
mA
mA
µA
REV. C
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