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AD674B Datasheet(PDF) 2 Page - Analog Devices

Part # AD674B
Description  Complete 12-Bit A/D Converters
PDF  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD674B Datasheet(HTML) 2 Page - Analog Devices

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J Grade
K Grade
A Grade
B Grade
T Grade
Model (AD674B or AD774B)
Min Typ
Max Min Typ Max
Min Typ Max
Min Typ Max
Min
Typ Max
Unit
RESOLUTION
12
12
12
12
12
Bits
LINEARITY ERROR @ 25
°C
1
1/2
1
1/2
1/2
LSB
TMIN to TMAX
1
1/2
1
1/2
1
LSB
DIFFERENTIAL LINEARITY ERROR
(Minimum Resolution for Which No
Missing Codes are Guaranteed)
12
12
12
12
12
Bits
UNIPOLAR OFFSET
1 @ 25
°C
2
2
2
2
2
LSB
BIPOLAR OFFSET
1 @ 25
°C
6
3
6
3
3
LSB
FULL-SCALE CALIBRATION ERROR
1, 2
@ 25
°C (with Fixed 50 Ω Resistor
from REF OUT to REF IN)
0.1
0.25
0.1
0.125
0.1 0.25
0.1
0.125
0.1 0.125
% of FS
TEMPERATURE RANGE
0
70
0
70
–40
+85
–40
+85
–55
+125
°C
TEMPERATURE DRIFT
3
(Using Internal Reference)
Unipolar
2
1
2
1
1
LSB
Bipolar Offset
2
1
2
1
2
LSB
Full-Scale Calibration
6
2
8
5
7
LSB
POWER SUPPLY REJECTION
Max Change in Full-Scale Calibration
VCC = +15 V
± 1.5 V or +12 V ± 0.6 V
2
1
2
1
1
LSB
VLOGIC = +5 V
± 0.5 V
1/2
1/2
1/2
1/2
1/2
LSB
VEE = –15 V
± 1.5 V or –12 V ± 0.6 V
2
1
2
1
1
LSB
ANALOG INPUT
Input Ranges
Bipolar
–5
+5
–5
+5
–5
+5
–5
+5
–5
+5
V
–10
+10
–10
+10
–10
+10
–10
+10
–10
+10
V
Unipolar
0
10
0
10
0
10
0
10
0
10
V
0
20
0
20
0
20
0
20
0
20
V
Input Impedance
10 V Span
3
5
73
5
73
5
73
5
73
5
7
k
Ω
20 V Span
6
10
14
6
10
14
6
10
14
6
10
14
6
10
14
k
Ω
POWER SUPPLIES
Operating Range
VLOGIC
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
V
VCC
11.4
16.5
11.4
16.5
11.4
16.5
11.4
16.5
11.4
16.5
V
VEE
–16.5
–11.4 –16.5
–11.4 –16.5
–11.4
–16.5
–11.4
–16.5
–11.4
V
Operating Current
ILOGIC
3.5
7
3.5
7
3.5 7
3.5
7
3.5 7
mA
ICC
3.5
7
3.5
7
3.5 7
3.5
7
3.5 7
mA
IEE
10
14
10
14
10
14
10
14
10
14
mA
POWER CONSUMPTION
220
375
220 375
220 375
220 375
220 375
mW
4
175
175
175
175
175
mW
5
INTERNAL REFERENCE VOLTAGE
9.9
10.0 10.1
9.9
10.0 10.1
9.9
10.0 10.1
9.9
10.0 10.1
9.9
10.0 10.1
V
Output Current
(Available for External Loads)
2.0
2.0
2.0
2.0
2.0
mA
(External Load Should Not
Change During the Conversion)
NOTES
1Adjustable to zero.
2Includes internal voltage reference error.
3Maximum change from 25
°C value to the value at TMIN or TMAX.
4Tested with REF OUT tied to REF IN through 50
Ω resistor, VCC = +16.5 V, VEE = –16.5 V, VLOGIC = +5.5 V, and outputs in high-Z mode.
5Tested with REF OUT tied to REF IN through 50
Ω resistor, V
CC = +12 V, VEE = –12 V, VLOGIC = +5 V, and outputs in high-Z mode.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all devices at final electrical test at TMIN, 25
°C, and T
MAX. Results from those tests are used to calculate outgoing quality levels. All min and
max specifications are guaranteed, although only those shown in boldface are tested.
AD674B/AD774B–SPECIFICATIONS (T
MIN to TMAX with VCC = +15 V
10% or +12 V
5%,
VLOGIC = +5 V
10%, VEE = –15 V
10% or –12 V
5%, unless otherwise noted.)
REV. C
–2–



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