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2
ALD1000
SPECIFICATIONS
At +V
S
= 24V, –V
S
= 15V, T
AMB
= 25
°
C, and 2N2222, 2N2907 external transistors, unless otherwise noted.
ALD1000U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TRANSMITTER
SWOP INPUTS
Linear Range Min
Linear Range Max
Input Bias Current
Internal Drive Transistors
5mA Load
–10
V
V
pA
10
50
XTR OUTPUT
Positive Overvoltage Sense
Negative Overvoltage Sense
Positive Overcurrent Sense
Negative Overcurrent Sense
19.5
–10.5
+25
–15
V
V
Internal Drive Transistors
mA
mA
LOGIC INPUTS
Logic Low
Logic High
0.8
V
V
4.0
2.6
LOGIC OUTPUTS
Logic High
Logic Low
5V Logic Supply
with 10k pull-up resistor
4.0
V
V
0.8
OUTPUT—VOLTAGE MODE
(Gain = 1 unless otherwise specified)
Span Error
Span Drift
Linear Range Min
Linear Range Max
Output Current Min
Output Current Max
Short-Circuit Current
Short-Circuit Current
Non-Linearity
Initial Offset Voltage—RTI
Offset Voltage vs Temperature
0.5
50
1
%
ppm/
°
C of FS
0.1% of FS
0.1% of FS
–10
10
Internal Drive Transistors
Internal Drive Transistors
Internal Drive Transistors
Internal Drive Transistors
–5
mA
mA
mA
mA
%
mV
μ
V/
°
C
5
25
–15
0.005
2
20
0.05
OUTPUT—CURRENT MODE
(Gain = 5 with 50
shunt resistor unless otherwise specified)
Span Error
Span Drift
Output Current Min
Output Current Max
Compliance Min
Compliance Max
Offset Current Min
Offset Current Min
5
%
Gain = 1
(1)
50
ppm/
°
C of FS
mA
mA
V
V
μ
A
μ
A
Internal Drive Transistors
(2)
Internal Drive Transistors
(2)
–5
5
–10
15
–25
25
INSTRUMENTATION AMPLIFIERS R
LOAD
= 10k
IA INPUTS
Linear Input Voltage Min
Linear Input Voltage Max
Common-Mode Input Voltage Min
Common-Mode Input Voltage Max
Input Bias Current
Initial Offset Voltage
CMRR
–10
V
V
V
V
nA
mV
20
V
IN
= 0
V
IN
= 0
–10
20
100
G = 1
G = 10
–1
80
1
100
IA OUTPUTS (with 10k Load)
Output Voltage Max
Output Voltage Min
+ Short Circuit Current
– Short Circuit Current
20
V
V
–10
5
mA
mA
–12
GAIN EQUATION (gain = 1+50k/R
G
)
Gain Error, G = 1
G = 5
G = 100
Non-Linearity, G = 1
G = 5
G = 100
0.3
0.6
0.8
0.004
0.008
0.02
%
±
FS
%
±
FS
%
±
FS
%
±
FS
%
±
FS
%
±
FS