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AD779 数据表(PDF) 3 Page - Analog Devices

部件名 AD779
功能描述  14-Bit 128 kSPS Complete Sampling ADC
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD779 数据表(HTML) 3 Page - Analog Devices

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DC SPECIFICATIONS
AD779J/A/S
AD779K/B/T
Parameter
Min
Typ
Max
Min
Typ
Max
Units
TEMPERATURE RANGE
J, K Grades
0
+70
0
+70
°C
A, B Grades
–40
+85
–40
+85
°C
S, T Grades
–55
+125
–55
+125
°C
ACCURACY
Resolution
14
14
Bits
Integral Nonlinearity (INL)
±2
±1
±2
LSB
Differential Nonlinearity (DNL)
14
14
Bits
Unipolar Zero Error
1 (@ +25
°C)
0.08
0.05
0.07
% FSR*
Bipolar Zero Error
1 (@ +25
°C)
0.08
0.05
0.07
% FSR
Gain Error
1, 2 (@ +25
°C)
0.12
0.09
0.11
% FSR
Temperature Drift
Unipolar Zero
3
J, K Grades
0.04
0.04
0.05
% FSR
A, B Grades
0.05
0.05
0.07
% FSR
S, T Grades
0.09
0.09
0.10
% FSR
Bipolar Zero
3
J, K Grades
0.02
0.02
0 04
% FSR
A, B Grades
0.04
0.04
0.06
% FSR
S, T Grades
0.08
0.08
0.09
% FSR
Gain
3
J, K Grades
0.09
0.09
0.11
% FSR
A, B Grades
0.10
0.10
0.16
% FSR
S, T Grades
0.20
0.20
0.25
% FSR
Gain
4
J, K Grades
0.04
0.04
0.05
% FSR
A, B Grades
0.05
0.05
0.07
% FSR
S, T Grades
0.09
0.09
0.10
% FSR
ANALOG INPUT
Input Ranges
Unipolar Mode
0
+10
0
+10
V
Bipolar Mode
–5
+5
–5
+5
V
Input Resistance
10
10
M
Ω
Input Capacitance
10
10
pF
Input Settling Time
1.5
1.5
µs
Aperture Delay
10
10
ns
Aperture Jitter
150
150
ps
INTERNAL VOLTAGE REFERENCE
Output Voltage
5
4.98
5.02
4.98
5.02
V
External Load
Unipolar Mode
+1.5
+1.5
mA
Bipolar Mode
+0.5
+0.5
mA
POWER SUPPLIES
Power Supply Rejection
VCC = +12 V ± 5%
±6
±6
LSB
VEE = –12 V
± 5%
±6
±6
LSB
VDD = +5 V ± 10%
±6
±6
LSB
Operating Current
ICC
18
20
18
20
mA
IEE
25
34
25
34
mA
IDD
8
12
8
12
mA
Power Consumption
560
745
560
745
mW
NOTES
1Adjustable to zero. See Figures 5 and 6.
2Includes internal voltage reference error.
3Includes internal voltage reference drift.
4Excludes internal voltage reference drift.
5With maximum external load applied.
*% FSR = percent of full-scale range.
Specifications subject to change without notice.
AD779
REV. B
–3–
(TMIN to TMAX, VCC = +12 V
5%, VEE = –12 V
5%, VDD = +5 V
10% unless otherwise noted)



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