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AD538 Datasheet(PDF) 3 Page - Analog Devices

Part # AD538
Description  Real-Time Analog Computational Unit (ACU)
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD538 Datasheet(HTML) 3 Page - Analog Devices

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AD538
Rev. E | Page 3 of 16
SPECIFICATIONS
VS = ±15 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Test Conditions/
Comments
AD538AD
AD538BD
AD538SD
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
MULTIPLIER DIVIDER
PERFORMANCE
Nominal Transfer
Function
10 V ≥ VX, VY, VZ ≥ 0
V
O = VY(VZ/VX)
m
V
O = VY(VZ/VX)
m
V
O = VY(VZ/VX)
m
400 µA ≥ IX, IY, IZ ≥ 0
V
O = 25 kΩ × IY(IZ/IX)
m
V
O = 25 kΩ × IY(IZ/IX)
m
V
O = 25 kΩ × IY(IZ/IX)
m
Total Error Terms
100 mV ≤ VX ≤ 10 V
±0.5
±1
±0.25
±0.5
±0.5
±1
% of Reading +
100:1 Input
Range1
100 mV ≤ VY ≤ 10 V
±200
±500
±100
±250
±200
±500
µV
100 mV ≤ VZ ≤ 10 V
VZ ≤ 10 VX, m = 1.0
TA = TMIN to TMAX
±1
±2
±0.5
±1
±1.25
±2.5
% of Reading +
±450
±750
±350
±500
±750
±1000
µV
Wide Dynamic
Range2
100 mV ≤ VX ≤ 10 V
±1
±2
±0.5
±1
±1
±2
% of Reading +
100 mV ≤ VY ≤ 10 V
±200
±500
±100
±250
±200
±500
µV
100 mV ≤ VZ ≤ 10 V
±100
±250
±750
±150
±200
±250
µV × (VY + VZ)/VX
VZ ≤ 10 VX, m = 1.0
TA = TMIN to TMAX
±1
±3
±1
±2
±2
±4
% of Reading +
±450
±750
±350
±500
±750
±1000
µV +
±450
±750
±350
±500
±750
±1000
µV × (VY +
VZ)/VX
Exponent (m)
Range
TA = TMIN to TMAX
0.2
5
0.2
5
0.2
5
OUTPUT
CHARACTERISTICS
Offset Voltage
VY = 0, VC =
−600 mV
±200
±500
±100
±250
±200
±500
µV
TA = TMIN to TMAX
±450
±750
±350
±500
±750
±1000
µV
Output Voltage
Swing
RL = 2 kΩ
−11
+11
−11
+11
−11
+11
V
Output Current
5
10
5
10
5
10
mA
FREQUENCY
RESPONSE
Slew Rate
1.4
1.4
1.4
V/µs
Small Signal
Bandwidth
100 mV ≤ 10 VY, VZ,
VX ≤ 10 V
400
400
400
kHz
VOLTAGE REFERENCE
Accuracy
VREF = 10 V or 2 V
±25
±50
±15
±25
±25
±50
mV
Additional Error
TA = TMIN or TMAX
±20
±30
±20
±30
±30
±50
mV
Output Current
VREF = 10 V to 2 V
1
2.5
1
2.5
1
2.5
mA
Power Supply
Rejection
+2 V = VREF
±4.5 V ≤ VS ≤ ±18 V
300
600
300
600
300
600
µV/V
+10 V = VREF
±13 V ≤ VS ≤ ±18 V
200
500
200
500
200
500
µV/V
POWER SUPPLY
Rated
RL = 2 kΩ
±15
±15
±15
V
Operating Range3
±4.5
±18
±4.5
±18
±4.5
±18
V
PSRR
±4.5 V<, VS < ±18 V
0.5
0.1
0.5
0.1
0.5
0.1
%/V
VX = VY = VZ = 1 V
VO = 1 V
Quiescent Current
4.5
7
4.5
7
4.5
7
mA



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