參數(shù)資料
型號(hào)： AD767
廠商： Analog Devices, Inc.
英文描述： Microprocessor-Compatible 12-Bit D/A Converter(12位μP兼容DAC)
中文描述： 微處理器兼容的12位D / A轉(zhuǎn)換器（12位微處理器兼容援會(huì)）
文件頁數(shù)： 2/8頁
文件大小： 296K
代理商： AD767
REV. A
–2–
AD767–SPECIFICATIONS
(T
A
= +25
8
C,
6
15 volt power supplies, Unipolar Mode, unless otherwise noted.)
Model
AD767J/A/S
1
Typ
AD767K/B
Typ
AD767A
2
Chips
Min
Typ
Min
Max
Min
Max
Max
Units
DIGITAL INPUTS
Resolution
Logic Levels (TTL Compatible, T
MIN
–T
MAX
)
3
V
IH
(Logic “1”)
V
IL
(Logic “0”) J, K, A, B
V
IL
(Logic “0”) S
I
IH
(V
IH
= 5.5 V)
I
IL
(V
IL
= 0.8 V)
12
12
12
Bits
+2.0
0
0
+5.5
+0.8
+0.7
10
5
+2.0
0
+5.5
+0.8
+2.0
0
+5.5
+0.8
V
V
V
μ
A
μ
A
3
1
3
1
10
5
3
1
10
5
TRANSFER CHARACTERISTICS
ACCURACY
Linearity Error @ +25
°
C
T
A
= T
MIN
to T
MAX
Differential Linearity Error @ +25
°
C
T
A
= T
4
to T
MAX
Gain Error
Unipolar Offset Error
4
Bipolar Zero Error
4
±
1/2
±
1/2
±
1/2
6
1
6
1
6
1
±
1/8
±
1/4
±
1/4
6
1/2
6
1/2
6
1
±
1/2
±
1/2
±
1/2
6
1
6
1
6
1
LSB
LSB
LSB
Monotonicity Guaranteed Monotonicity Guaranteed Monotonicity Guaranteed
LSB
±
0.1
6
0.2
±
0.1
±
1
6
2
±
1
±
0.05
6
0.1
±
0.05
6
0.2
6
2
6
0.1
±
0.1
±
1
±
0.05
6
0.2
6
2
6
0.1
% of FSR
5
LSB
% of FSR
DRIFT
Gain T
A
= 25
°
C to T
MIN
or T
MAX
Unipolar Offset T
A
= 25
°
C to T
MIN
or T
MAX
Bipolar Zero T
A
= 25
°
C to T
MIN
or T
MAX
±
5
±
1
±
5
±
30
±
3
±
10
±
5
±
1
±
15
±
3
±
10
±
5
±
1
±
5
±
30
±
3
±
10
ppm of FSR/
°
C
ppm of FSR/
°
C
ppm of FSR/
°
C
CONVERSION SPEED
Settling Time to
±
0.01% of FSR for
FSR change (2 k
||
500 pF load)
with 10 k
Feedback
with 5 k
Feedback
For LSB Change
Slew Rate
3
2
1
4
3
3
2
1
4
3
3
2
1
4
3
μ
s
μ
s
μ
s
V/
μ
s
10
10
10
ANALOG OUTPUT
Ranges
6
±
2.5,
±
5,
±
10,
+5, +10
±
2.5,
±
5,
±
10,
+5, +10
±
2.5,
±
5,
±
10,
+5, +10
V
Output Current
Output Impedance (dc)
Short-Circuit Current
±
5
±
5
±
5
mA
mA
0.05
0.05
0.05
40
40
40
REFERENCE OUTPUT
External Current
9.90
0.1
10.00
1.0
10.10
9.90
0.1
10.00
1.0
10.10
9.90
0.1
10.00
1.0
10.10
V
mA
POWER SUPPLY SENSITIVITY
V
CC
= +11.4 to +16.5 V dc
V
EE
= –11.4 to –16.5 V dc
5
5
10
10
5
5
10
10
5
5
10
10
ppm of FS/%
ppm of FS/%
POWER SUPPLY REQUIREMENTS
Rated Voltages
Range
6
Supply Current
+11.4 to +16.5 V dc
–11.4 to –16.5 V dc
Total Power Consumption
±
12,
±
15
±
12,
±
15
±
12,
±
15
V
V
6
11.4
6
16.5
6
11.4
6
16.5
6
11.4
6
16.5
9
18
400
13
23
600
9
18
400
13
23
600
9
18
400
13
23
600
mA
mA
mW
TEMPERATURE RANGE
J/K
A/B
S
Operating
Storage (All Grades)
0
–25
–55
–55
–65
+70
+85
+125
+125
+125
0
–25
–55
–55
–65
+70
+85
+125
+125
+125
°
C
°
C
°
C
°
C
°
C
–25
+85
–65
+125
NOTES
1
AD767 “S” specifications shown for information only. Consult Analog Devices Military Databook or contact factory for a controlled specification sheet.
2
AD767A Chips specifications are tested at +25
°
C and, when in boldface, at +85
°
C. They are typical at –25
°
C.
3
The digital input specifications are 100% tested at +25
°
C, and guaranteed but not tested over the full temperature range.
4
Adjustable to zero.
5
FSR means “Full-Scale Range” and is 20 V for
±
10 V range and 10 V for the
±
5 V range.
6
A minimum power supply of
±
12.5 V is required for a
±
10 V full-scale output and
±
11.4 V is required for all other voltage ranges.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all production units at final electrical test (except per Notes 1 and 2). 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 on all production units.
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