參數(shù)資料
型號: AD774B
廠商: Analog Devices, Inc.
元件分類: 串行ADC
英文描述: Complete 12-Bit A/D Converters(完備的12位A/D轉(zhuǎn)換器)
中文描述: 完整的12位A / D轉(zhuǎn)換器(完備的12位的A / D轉(zhuǎn)換器)
文件頁數(shù): 2/12頁
文件大?。?/td> 335K
代理商: AD774B
(T
MIN
to T
MAX
with V
CC
= +15 V
6
10% or +12 V
6
5%,
V
LOGIC
= +5 V
6
10%, V
EE
= –15 V
6
10% or –12 V
6
5% unless otherwise noted)
J Grade
Min
K Grade
Min
Model (AD674B or AD774B)
Typ
Max
Typ
Max
RESOLUTION
12
12
LINEARITY ERROR @ +25
°
C
T
MIN
to T
MAX
6
1
6
1
6
1/2
6
1/2
DIFFERENTIAL LINEARITY ERROR
(Minimum Resolution for Which No
Missing Codes are Guaranteed)
12
12
UNIPOLAR OFFSET
1
@ +25
°
C
6
2
6
2
BIPOLAR OFFSET
1
@ +25
°
C
6
6
6
3
FULL-SCALE CALIBRATION ERROR
1, 2
@ +25
°
C
(with Fixed 50
Resistor from REF OUT to REF IN)
0.1
0.25
0.1
0.125
TEMPERATURE RANGE
0
+70
0
+70
TEMPERATURE DRIFT
3
(Using Internal Reference)
Unipolar
Bipolar Offset
Full-Scale Calibration
6
2
6
2
6
6
6
1
6
1
6
2
POWER SUPPLY REJECTION
Max Change in Full-Scale Calibration
V
CC
= 15 V
±
1.5 V or 12 V
±
0.6 V
V
LOGIC
= 5 V
±
0.5 V
V
EE
= –15 V
±
1.5 V or –12 V
±
0.6 V
6
2
6
1/2
6
2
6
1
6
1/2
6
1
ANALOG INPUT
Input Ranges
Bipolar
–5
–10
0
0
+5
+10
+10
+20
–5
–10
0
0
+5
+10
+10
+20
Unipolar
Input Impedance
10 Volt Span
20 Volt Span
3
6
5
10
7
14
3
6
5
10
7
14
POWER SUPPLIES
Operating Range
V
LOGIC
V
CC
V
EE
Operating Current
I
LOGIC
I
CC
I
EE
+4.5
+11.4
–16.5
+5.5
+16.5
–11.4
+4.5
+11.4
–16.5
+5.5
+16.5
–11.4
3.5
3.5
10
7
7
14
3.5
3.5
10
7
7
14
POWER CONSUMPTION
220
175
375
220
175
375
INTERNAL REFERENCE VOLTAGE
Output Current (Available for External Loads)
(External Load Should Not Change During the Conversion)
9.9
10.0
10.1
2.0
9.9
10.0
10.1
2.0
NOTES
1
Adjustable to zero.
2
Includes internal voltage reference error.
3
Maximum change from +25
°
C value to the value at T
or T
MAX
.
4
Tested with REF OUT tied to REF IN through 50
resistor, V
CC
= +16.5 V, V
EE
= –16.5 V, V
LOGIC
= +5.5 V, and outputs in high-Z mode.
5
Tested with REF OUT tied to REF IN through 50
resistor, V
CC
= +12 V, V
EE
= –12 V, V
LOGIC
Specifications subject to change without notice.
Specifications shown in
boldface
are tested on
all
devices at final electrical test at T
, +25
°
C, and T
, and 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.
REV. B
–2–
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