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
AD5412/AD5422 Data Sheet
Rev. I | Page 4 of 44
FUNCTIONAL BLOCK DIAGRAM
INPUT SHIFT
REGISTER
AND CONTROL
LOGIC
POWER-ON
RESET
VREF
AD5412/AD5422
12-/16-BIT
DAC
12/16
LATCH
SCLK
SDIN
SDO
REFOUT REFIN
RANGE
SCALING
GND
C
COMP
–V
SENSE
V
OUT
+V
SENSE
R
SET
R
SET
I
OUT
BOOST
FAULT
CLEAR
CLEAR
SELECT
DV
CC
SELECT
DV
CC
AV
SS
*CAP1
*PINS ONLY ON LFCSP OPTION.
*CAP2
AV
DD
R2
06996-001
R3
4.5V LDO
Figure 1.