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參數(shù)資料
| 型號(hào)： | AD7839 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Octal 13-Bit, Parallel Input, Voltage-Output DAC |
| 中文描述： | 八路13位，并行輸入，電壓輸出DAC |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大小： | 153K |
| 代理商： | AD7839 |
–2–
REV. 0
AD7839–SPECIFICATIONS
Parameter
(V
CC
= +5 V
6
5%; V
DD
= +15 V
6
5%; V
SS
= –15 V
6
5%; GND = DUTGND = 0 V;
R
L
= 5 k
V
and C
L
= 50 pF to GND, T
A1
= T
MIN
to T
MAX
, unless otherwise noted.)
A Version
Units
Test Conditions/Comments
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Zero-Scale Error
Full-Scale Error
Gain Error
Gain Temperature Coefficient
2
13
±
2
±
0.9
±
4
±
4
±
1
0.5
10
120
Bits
LSB max
LSB max
LSB max
LSB max
LSB typ
ppm FSR/
°
C typ
ppm FSR/
°
C max
μ
V max
Typically
±
0.5 LSB
Guaranteed Monotonic Over Temperature
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V
DC Crosstalk
2
See Terminology. Typically 75
μ
V
REFERENCE INPUTS
2
DC Input Impedance
Input Current
V
REF
(+) Range
V
REF
(–) Range
[V
REF
(+) – V
REF
(–)]
100
±
1
0/+5
–5/0
+2/+10
M
typ
μ
A max
V min/max
V min/max
V min/max
Per Input. Typically
±
0.03
μ
A
For Specified Performance. Can Go as Low as 0 V, but
Performance Not Guaranteed
DUTGND INPUTS
2
DC Input Impedance
Max Input Current
Input Range
60
±
0.3
–2/+2
k
typ
mA typ
V min/max
Per Input
OUTPUT CHARACTERISTICS
2
Output Voltage Swing
Short Circuit Current
Resistive Load
Capacitive Load
DC Output Impedance
±
10
15
5
50
0.5
V min
mA max
k
min
pF max
max
2
×
(V
REF
(–) + [V
REF
(+) – V
REF
(–)]
×
D) – V
DUTGND
To 0 V
To 0 V
DIGITAL INPUTS
2
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
, Input Current
@ +25
°
C
T
MIN
to T
MAX
C
IN
, Input Capacitance
2.4
0.8
V min
V max
Total for All Pins
1
±
10
10
μ
A max
μ
A max
pF max
POWER REQUIREMENTS
3
V
CC
V
DD
V
SS
Power Supply Sensitivity
2
Full Scale/
V
DD
Full Scale/
V
SS
I
CC
I
DD
I
SS
+4.75/+5.25
+14.25/+15.75 V min/max
–14.25/–15.75
V min/max
For Specified Performance
For Specified Performance
For Specified Performance
V min/max
90
90
0.5
10
10
dB typ
dB typ
mA max
mA max
mA max
V
INH
= V
CC
, V
INL
= GND. Dynamic Current
Outputs Unloaded. Typically 8 mA
Outputs Unloaded. Typically 8 mA
NOTES
1
Temperature range for A Version: –40
°
C to +85
°
C
2
Guaranteed by characterization. Not production tested.
3
The AD7839 is functional with power supplies of
±
12 V
±
10% with reduced output range. At 12 V it is recommended to restrict reference range to
±
4 V due to
output amplifier headroom limitations
Specifications subject to change without notice.
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