Datasheet
Table Of Contents
- Features
- Applications
- General Description
- Companion Products
- Table of Contents
- Functional Block Diagram
- Specifications
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Terminology
- Theory of Operation
- AD5412/AD5422 Features
- Fault Alert
- Voltage Output Short Circuit Protection
- Voltage Output Overrange
- Voltage Output Force-Sense
- Asynchronous Clear (CLEAR)
- Internal Reference
- External Current Setting Resistor
- Digital Power Supply
- External Boost Function
- External Compensation Capacitor
- HART Communication
- Digital Slew Rate Control
- IOUT Filtering Capacitors (LFCSP Package)
- Applications Information
- Outline Dimensions

Data Sheet AD5412/AD5422
Rev. I | Page 7 of 44
Parameter
1
Min Typ Max Unit Test Conditions/Comments
OUTPUT CHARACTERISTICS
3
Current Loop Compliance Voltage 0 AV
DD
− 2.5 V
Output Current Drift vs. Time Drift after 1000 hours, T
A
= 125°C
50 ppm FSR Internal R
SET
20
ppm FSR
External R
SET
Resistive Load 1200 Ω
Inductive Load 50 mH T
A
= 25 °C
DC PSRR 1 µA/V
Output Impedance 50 MΩ
Output Current Leakage When
Output Is Disabled
60 pA
REFERENCE INPUT/OUTPUT
Reference Input
3
Reference Input Voltage 4.95 5 5.05 V For specified performance
DC Input Impedance 27 40 kΩ
Reference Output
Output Voltage 4.995 5 5.005 T
A
= 25°C
Reference Temperature
Coefficient (TC)
3, 5
1.8 10 ppm/°C
Output Noise (0.1 Hz to 10 Hz)
3
10 µV p-p
Noise Spectral Density
3
100 nV/√Hz At 10 kHz
Output Voltage Drift vs. Time
3
50 ppm Drift after 1000 hours, T
A
= 125°C
Capacitive Load
3
600 nF
Load Current
3
5 mA
Short-Circuit Current
3
7
mA
Load Regulation
3
95 ppm/mA
DIGITAL INPUTS
3
JEDEC compliant
Input High Voltage, V
IH
2
V
Input Low Voltage, V
IL
0.8 V
Input Current −1 +1 µA Per pin
Pin Capacitance 10 pF Per pin
DIGITAL OUTPUTS
3
SDO
Output Low Voltage, V
OL
0.4 V Sinking 200 µA
Output High Voltage, V
OH
DV
CC
− 0.5 V Sourcing 200 µA
High Impedance Leakage Current
−1
+1
µA
High Impedance Output
Capacitance
5 pF
FAULT
Output Low Voltage, V
OL
0.4 V 10 kΩ pull-up resistor to DV
CC
Output Low Voltage, V
OL
0.6 V At 2.5 mA
Output High Voltage, V
OH
3.6 V 10 kΩ pull-up resistor to DV
CC
POWER REQUIREMENTS
AV
DD
10.8 40 V
AV
SS
−26.4 0 V
|AV
SS
| + AV
DD
10.8 52.8 V
DV
CC
Input Voltage 2.7 5.5 V Internal supply disabled
Output Voltage 4.5 V DV
CC
, which can be overdriven up to 5.5 V
Output Load Current
3
5
mA
Short-Circuit Current
3
20 mA