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AD420ARZ-32

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
Data Sheet AD420
SPECIFICATIONS
T
A
= T
MIN
− T
MAX
, V
CC
= +24 V, unless otherwise noted.
Table 1.
AD420-32 Version
Parameter Min Typ Max Units Comments
RESOLUTION 16 Bits
I
OUT
CHARACTERISTICS R
L
= 500 Ω
Operating Current Ranges 4 20 mA
0 20 mA
0 24 mA
Current Loop Voltage Compliance 0 V
CC
− 2.75 V V
Settling Time (to 0.1% of FS)
1
2.5 3 ms
Output Impedance (Current Mode) 25 MΩ
Accuracy
2
Monotonicity 16 Bits
Integral Nonlinearity ±0.002 ±0.012 %
Offset (0 mA or 4 mA) (T
A
= +25°C) ±0.05 %
Offset Drift 20 50 ppm/° C
Total Output Error (20 mA or 24 mA) (T
A
= +25°C)
±0.15
%
Total Output Error Drift 20 50 ppm/° C
PSRR
3
5 10 µA/V
V
OUT
CHARACTERISTICS
FS Output Voltage Range (Pin 17) 0 5 V
VOLTAGE REFERENCE
REF OUT
Output Voltage (T
A
= +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 kΩ
V
LL
Output Voltage 4.5 V
Externally Available Current 5 mA
Short Circuit Current 20 mA
DIGITAL INPUTS
V
IH
(Logic 1) 2.4 V
V
IL
(Logic 0) 0.8 V
I
IH
(V
IN
= 5.0 V) ±10 µA
I
IL
(V
IN
= 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
V
OH
(10 kΩ Pull-Up Resistor to V
LL
) 3.6 4.5 V
V
OL
(10 kΩ Pull-Up Resistor to V
LL
) 0.2 0.4 V
V
OL
@ 2.5 mA 0.6 V
DATA OUT
V
OH
(I
OH
= −0.8 mA) 3.6 4.3 V
V
OL
(I
OL
= 1.6 mA) 0.3 0.4 V
Rev. I | Page 3 of 16
AD420 Data Sheet
AD420-32 Version
Parameter Min Typ Max Units Comments
POWER SUPPLY
Operating Range V
CC
12 32 V
Quiescent Current 4.2 5.5 mA
Quiescent Current (External V
LL
) 3 mA
TEMPERATURE RANGE
Specified Performance −40 +85 °C
1
External capacitor selection must be as described in Figure 6.
2
Total 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.
3
PSRR is measured by varying V
CC
from 12 V to its maximum 32 V.
Rev. I | Page 4 of 16
Data Sheet AD420
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
V
CC
to GND 32 V
I
OUT
to GND V
CC
Digital Inputs to GND −0.5 V to +7 V
Digital Output to GND −0.5 V to V
LL
+ 0.3 V
V
LL
and REF OUT: Outputs Safe for
Indefinite Short to Ground
Storage Temperature
−65°C to +150°C
Lead Temperature (Soldering, 10 sec)
+300°C
Lead Temperature, Soldering Reflow +260°C
Thermal Impedance:
SOIC (R) Package θ
JA
= 75°C/W
PDIP (N) Package θ
JA
= 50°C/W
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
Table 3. Truth Table
Inputs
CLEAR
Range
Select 2
Range
Select 1
Operation
0 X X Normal operation
1 X X Output at bottom of
span
X 0 0 0 V–5 V range
X 0 1 4 mA–20 mA range
X 1 0 0 mA–20 mA range
X 1 1 0 mA–24 mA range
ESD CAUTION
Rev. I | Page 5 of 16
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AD420ARZ-32

Mfr. #:
Buy AD420ARZ-32
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC IC 16-BIT
Lifecycle:
New from this manufacturer.
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