Datasheet
AD539
Rev. B | Page 4 of 20
AD539J AD539K AD539S
Parameter Test Conditions/Comments Min Typ Max Min Typ Max Min Typ Max Unit
CONTROL INPUT, V
X
Nominal Full-Scale Input 3.0 3.0 3.0 V
Operational Range, Degraded
Performance
+3.2 +3.2 +3.2 V
Input Resistance
2
500 500 500 Ω
Offset Voltage 1 4
1
1 2
1
1 4
1
mV
T
MIN
to T
MAX
3 2 2 5
1
mV
Power Supply Sensitivity 30 30 30 μV/V
Gain
See Figure 20
Absolute Gain Error V
X
= 0.1 V to 3.0 V, V
Y
= ±2 V 0.2 0.4
1
0.1
0.2
1
0.2 0.4
1
dB
T
MIN
to T
MAX
V
X
= 0.1 V to 3.0 V, V
Y
= ±2 V 0.3 0.15 0.25 0.5
1
dB
CURRENT OUTPUT
2
Full-Scale Output Current V
X
= 3 V, V
Y
= ±2 V ±1 ±1 ±1 mA
Peak Output Current V
X
= 3.3 V, V
Y
= ±5 V,
V
S
= ±7.5 V
±2 ±2.8 ±2 ±2.8 ±2 ±2.8 mA
Output Offset Current V
X
= 0 V, V
Y
= 0 V 0.2 1.5
1
0.2 1.5
1
0.2 1.5
1
μA
Output Offset Voltage
3
See Figure 20, V
X
= 0 V,
V
Y
= 0 V
3 10
1
3 10
1
3 10
1
mV
Output Resistance 1.2 1.2 1.2 kΩ
Scaling Resistors
Channel 1 Z1, W1 to CH1 6 6 6 kΩ
Channel 2 Z2, W2 to CH2 6 6 6 kΩ
VOLTAGE OUTPUTS, V
W1
AND V
W2
3
See Figure 20
Multiplier Transfer Function
Either Channel V
W
= −V
X
× V
Y
/V
U
V
W
= −V
X
× V
Y
/V
U
V
W
= −V
X
× V
Y
/V
U
Multiplier Scaling Voltage, V
U
0.98
1
1.0 1.02
1
0.99
1
1.0 1.01
1
0.98
1
1.0 1.02
1
V
Accuracy 0.5 2
1
0.5 1
1
0.5 2 %
T
MIN
to T
MAX
1 0.5 1.0 3
1
%
Power Supply Sensitivity 0.04 0.04 0.04 %/V
Total Multiplication Error
4
V
X
≤ 3 V, −2 V < V
Y
< +2 V 1 2.5 0.6 1.5 1 2.5 % FSR
T
MIN
to T
MAX
2 1 2 4
1
%
Control Feedthrough V
X
= 0 V to 3 V, V
Y
= 0 V 25
60
1
15 30
1
15 60
1
mV
T
MIN
to T
MAX
30 15 60 120
1
mV
TEMPERATURE RANGE
Rated Performance 0 +70 0 +70 −55 +125 °C
POWER SUPPLIES
Operational Range ±4.5 ±15 ±4.5 ±15 ±4.5 ±15 V
Current Consumption
+V
S
8.5 10.2
1
8.5 10.2
1
8.5 10.2
1
mA
−V
S
18.5 22.2
1
18.5 22.2
1
18.5 22.2
1
mA
1
Tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels.
2
Resistance value and absolute current outputs subject to 20% tolerance.
3
Specification assumes the external op amp is trimmed for negligible input offset.
4
Includes all errors.