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AD420 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD420
Description  Serial Input 16-Bit 4 mA-20 mA, 0 mA-20 mA DAC
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD420 Datasheet(HTML) 2 Page - Analog Devices

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REV. F
–2–
AD420–SPECIFICATIONS (T
A = TMIN–TMAX, VCC = +24 V, unless otherwise noted)
AX-32 Version
1
Parameter
Min
Typ
Max
Units
Comments
RESOLUTION
16
Bits
IOUT CHARACTERISTICS
RL = 500 Ω
Operating Current Ranges
4
20
mA
020
mA
024
mA
Current Loop Voltage Compliance
0
VCC – 2.5 V
V
Settling Time (to 0.1% of FS)
2
2.5
3
ms
Output Impedance (Current Mode)
25
M
Accuracy
3
Monotonicity
16
Bits
Integral Nonlinearity
±0.002
±0.012
%
Offset (0 mA or 4 mA) (TA = +25°C)
±0.05
%
Offset Drift
20
50
ppm/
°C
Total Output Error (20 mA or 24 mA) (TA = +25°C)
±0.15
%
Total Output Error Drift
20
50
ppm/
°C
PSRR
4
510
µA/V
VOUT CHARACTERISTICS
FS Output Voltage Range (Pin 17)
0
5
V
VOLTAGE REFERENCE
REF OUT
Output Voltage (TA = +25°C)
4.995
5.0
5.005
V
Drift
±25
ppm/
°C
Externally Available Current
5
mA
Short Circuit Current
7
mA
REF IN
Resistance
30
k
VLL
Output Voltage
4.5
V
Externally Available Current
5
mA
Short Circuit Current
20
mA
DIGITAL INPUTS
VIH (Logic 1)
2.4
V
VIL (Logic 0)
0.8
V
IIH (VIN = 5.0 V)
±10
µA
IIL (VIN = 0 V)
±10
µA
Data Input Rate (“3-Wire” Mode)
No Minimum
3.3
MBPS
Data Input Rate (“Asynchronous” Mode)
No Minimum
150
kBPS
DIGITAL OUTPUTS
FAULT DEFECT
VOH (10 kΩ Pull-Up Resistor to VLL)
3.6
4.5
V
VOL (10 kΩ Pull-Up Resistor to VLL)0.2
0.4
V
V
OL @ 2.5 mA
0.6
V
DATA OUT
VOH (IOH = –0.8 mA)
3.6
4.3
V
VOL (IOL = 1.6 mA)
0.3
0.4
V
POWER SUPPLY
Operating Range VCC
12
32
V
Quiescent Current
4.2
5.5
mA
Quiescent Current (External VLL)3
mA
TEMPERATURE RANGE
Specified Performance
–40
+85
°C
NOTES
1X refers to package designator, R or N.
2External capacitor selection must be as described in Figure 5.
3Total Output Error includes Offset and Gain Error. Total Output Error and Offset Error are with respect to the Full-Scale Output and are measured with an ideal
+5 V reference. If the internal reference is used, the reference errors must be added to the Offset and Total Output Errors.
4PSRR is measured by varying V
CC from 12 V to its maximum 32 V.
Specifications subject to change without notice.


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