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| 型號： | AD558* |
| 英文描述： | DACPORT Low Cost. Complete uP-Compatible 8-Bit DAC |
| 中文描述： | DACPORT低成本。完成多達兼容的8位DAC |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 334K |
AD558–SPECIFICATIONS
Model
AD558J
Typ
AD558K
Typ
AD558S
1
Typ
AD558T
1
Min
Min
Max
Min
Max
Min
Max
Typ
Max
Units
RESOLUTION
8
8
8
8
Bits
RELATIVE ACCURACY
2
0
°
C to +70
°
C
–55
°
C to +125
°
C
±
1/2
±
1/4
±
1/2
±
3/4
±
1/4
±
3/8
LSB
LSB
OUTPUT
Ranges
3
0 to +2.56
0 to +10
0 to +2.56
0 to +10
0 to +2.56
0 to +10
0 to +2.56
0 to +10
V
V
mA
Current Source
Sink
+5
+5
+5
+5
Internal Passive
Pull-Down to Ground
4
Internal Passive
Pull-Down to Ground
Internal Passive
Pull-Down to Ground
Internal Passive
Pull-Down to Ground
OUTPUT SETTLING TIME
5
0 to 2.56 Volt Range
0 to 10 Volt Range
4
0.8
2.0
1.5
3.0
0.8
2.0
1.5
3.0
0.8
2.0
1.5
3.0
0.8
2.0
1.5
3.0
μ
s
μ
s
FULL-SCALE ACCURACY
6
@ 25
°
C
T
MIN
to T
MAX
6
1.5
6
2.5
6
0.5
6
1
6
1.5
6
2.5
6
0.5
6
1
LSB
LSB
ZERO ERROR
@ 25
°
C
T
MIN
to T
MAX
6
1
6
2
6
1/2
6
1
6
1
6
2
6
1/2
6
1
LSB
LSB
MONOTONICITY
7
T
MIN
to T
MAX
Guaranteed
Guaranteed
Guaranteed
Guaranteed
DIGITAL INPUTS
T
MIN
to T
MAX
Input Current
Data Inputs, Voltage
Bit On-Logic “1”
Bit On-Logic “0”
Control Inputs, Voltage
On-Logic “1”
On-Logic “0”
Input Capacitance
±
100
±
100
±
100
100
μ
A
2.0
0
2.0
0
2.0
0
2.0
0
V
V
0.8
2.0
0
2.0
0
2.0
0
2.0
0
V
V
pF
0.8
0.8
0.8
0.8
4
4
4
4
TIMING
8
t
W
, Strobe Pulse Width
T
MIN
to T
MAX
t
DH
Data Hold Time
T
MIN
to T
MAX
t
DS
Data Set-Up Time
T
MIN
to T
MAX
200
270
10
10
200
270
200
270
10
10
200
270
200
270
10
10
200
270
200
270
10
10
200
270
ns
ns
ns
ns
ns
ns
POWER SUPPLY
Operating Voltage Range (V
CC
)
2.56 Volt Range
10 Volt Range
Current (I
CC
)
Rejection Ratio
+4.5
+11.4
+16.5
+16.5
25
0.03
+4.5
+11.4
+16.5
+16.5
25
0.03
+4.5
+11.4
+16.5
+16.5
25
0.03
+4.5
+11.4
+16.5
+16.5
25
0.03
V
V
mA
%/%
15
15
15
15
POWER DISSIPATION, V
CC
= 5 V
75
225
125
375
75
225
125
375
75
225
125
375
75
225
125
375
mW
mW
V
CC
= 15 V
OPERATING TEMPERATURE RANGE
0
+70
0
+70
–55
+125
–55
+125
°
C
NOTES
1
The AD558 S & T grades are available processed and screened lo MIL-STD-883 Class B. Consult Analog Devices’ Military Databook for details.
2
Relative Accuracy is defined as the deviation of the code transition points from the ideal transfer point on a straight line from the offset to the full scale of the device.
See “Measuring Offset Error”.
3
Operation of the 0 volt to 10 volt output range requires a minimum supply voltage of +11.4 volts.
4
Passive pull-down resistance is 2 k
for 2.56 volt range, 10 k
for 10 volt range.
5
Settling time is specified for a positive-going full-scale step to
±
1/2 LSB. Negative-going steps to zero are slower, but can be improved with an external pull-down.
6
The full range output voltage for the 2.56 range is 2.55 V and is guaranteed with a +5 V supply, for the 10 V range, it is 9.960 V guaranteed with a +15 V supply.
7
A monotonic converter has a maximum differential linearity error of
±
1 LSB.
8
See Figure 7.
Specifications shown in
boldface
are tested on all production units at final electrical
test.
Specifications subject to change without notice.
(@ T
A
= +25
8
C, V
CC
= +5 V to +15 V unless otherwise noted)
REV. A
–2–
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|---|---|
| AD558JCHIPS | 8-Bit Digital-to-Analog Converter |
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| AD558TCHIPS | 8-Bit Digital-to-Analog Converter |
| AD558TE | 8-Bit Digital-to-Analog Converter |
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