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AD558–SPECIFICATIONS
(@ T = +25 C, V
A
CC
= +5 V to +15 V unless otherwise noted)
AD558S
1
Min
Typ
AD558T
1
Typ
Model
Min
RESOLUTION
RELATIVE ACCURACY
2
0°C to +70°C
–55°C to +125°C
OUTPUT
Ranges
3
Current Source
Sink
OUTPUT SETTLING TIME
5
0 to 2.56 Volt Range
0 to 10 Volt Range
4
FULL-SCALE ACCURACY
6
@ 25°C
T
MIN
to T
MAX
ZERO ERROR
@ 25°C
T
MIN
to T
MAX
MONOTONICITY
7
T
MIN
to T
MAX
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
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
POWER SUPPLY
Operating Voltage Range (V
CC
)
2.56 Volt Range
10 Volt Range
Current (I
CC
)
Rejection Ratio
POWER DISSIPATION, V
CC
= 5 V
V
CC
= 15 V
OPERATING TEMPERATURE RANGE 0
+5
AD558J
Typ
Max
8
±
1/2
Min
AD558K
Typ
Max
8
±
1/4
Max
8
±
1/2
±
3/4
Min
Max
8
±
1/4
±
3/8
Units
Bits
LSB
LSB
V
V
mA
0 to +2.56
0 to +10
+5
Internal Passive
Pull-Down to Ground
4
0.8
2.0
1.5
3.0
1.5
2.5
1
2
Guaranteed
0 to +2.56
0 to +10
+5
Internal Passive
Pull-Down to Ground
0.8
2.0
1.5
3.0
0.5
1
1/2
1
Guaranteed
0 to +2.56
0 to +10
+5
Internal Passive
Pull-Down to Ground
0.8
2.0
1.5
3.0
1.5
2.5
1
2
Guaranteed
0 to +2.56
0 to +10
Internal Passive
Pull-Down to Ground
0.8
2.0
1.5
3.0
0.5
1
1/2
1
Guaranteed
µs
µs
LSB
LSB
LSB
LSB
±
100
2.0
0
2.0
0
4
200
270
10
10
200
270
200
270
10
10
200
270
2.0
0
2.0
0
4
±
100
2.0
0
2.0
0
4
200
270
10
10
200
270
±
100
2.0
0
2.0
0
4
200
270
10
10
200
270
100
µA
V
V
V
V
pF
ns
ns
ns
ns
ns
ns
0.8
0.8
0.8
0.8
0.8
+4.5
+11.4
15
75
225
+16.5
+16.5
25
0.03
125
375
+70
+4.5
+11.4
15
75
225
0
+16.5
+16.5
25
0.03
125
375
+70
+4.5
+11.4
15
75
225
–55
+16.5
+16.5
25
0.03
125
375
+125
+4.5
+11.4
15
75
225
–55
+16.5
+16.5
25
0.03
125
375
+125
V
V
mA
%/%
mW
mW
°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 kΩ for 2.56 volt range, 10 kΩ 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.
–2–
REV.
B
AD558
ABSOLUTE MAXIMUM RATINGS*
*Stresses greater than those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
DB1
3
2
1 20 19
V
OUT
SENSE
DB0 (LSB)
NC
V
OUT
V
CC
to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to +18 V
Digital Inputs (Pins 1–10) . . . . . . . . . . . . . . . . . . 0 V to +7.0 V
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