AD5545-KGD DAC Datasheet

AD5545-KGD Datasheet, PDF, Equivalent


Part Number

AD5545-KGD

Description

16-Bit DAC

Manufacture

Analog Devices

Total Page 8 Pages
Datasheet
Download AD5545-KGD Datasheet


AD5545-KGD
Known Good Die
FEATURES
16-bit resolution
±1 LSB DNL monotonic
±1 LSB INL
2 mA full-scale current ± 20%, with VREF = 10 V
0.5 µs settling time
2-quadrant reference multiplying 6.9 MHz bandwidth
Zero or midscale power-up reset
Zero or midscale dynamic reset
3-wire interface
23-pad bare die package
APPLICATIONS
Automatic test equipment
Instrumentation
Digitally controlled calibration
Industrial control programmable logic controllers (PLCs)
Programmable attenuator
Dual, Current Output,
Serial Input, 16-Bit DAC
AD5545-KGD
GENERAL DESCRIPTION
The AD5545-KGD is a 16-bit, current output, digital-to-analog
converter (DAC) designed to operate from a 4.5 V to 5.5 V supply
range.
An external reference is needed to establish the full-scale output
current. An internal feedback resistor (RFB) enhances the resistance
and temperature tracking when combined with an external
op amp to complete the current to voltage (I to V) conversion.
A serial data interface offers high speed, 3-wire microcontroller
compatible inputs using serial data input (SDI), clock (CLK),
and chip select (CS). The LDAC function allows simultaneous
update operation. The internal reset logic allows power-on reset
and dynamic reset at either zero or midscale, depending on the
state of the MSB pin.
The AD5545-KGD is packaged in a 23-pad bare die package
and can be operated from −40°C to +85°C.
Known Good Die (KGD): these die are fully guaranteed to data
sheet specifications.
Additional application and technical information can be found
in the AD5545 data sheet.
FUNCTIONAL BLOCK DIAGRAM
VREFA VREFB
VDD
16
SDI D0 TO D15
CS
CLK
EN
DAC A
B
ADDR
DECODE
DGND
INPUT
REGISTER R
INPUT
REGISTER R
DAC A
REGISTER R
DAC B
REGISTER R
DAC A
DAC B
RFBA
IOUTA
AGNDA
RFBB
IOUTB
AGNDB
POWER-
ON
RESET
RS MSB
LDAC
Figure 1.
AD5545-KGD
Rev. 0
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AD5545-KGD
AD5545-KGD
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics............................................................. 3
REVISION HISTORY
11/2019—Revision 0: Initial Version
Known Good Die
Absolute Maximum Ratings ............................................................5
ESD Caution...................................................................................5
Pin Configuration and Function Descriptions..............................6
Outline Dimensions ..........................................................................8
Die Specifications and Assembly Recommendations ..............8
Ordering Guide .............................................................................8
Rev. 0 | Page 2 of 8


Features Known Good Die FEATURES 16-bit resolutio n ±1 LSB DNL monotonic ±1 LSB INL 2 m A full-scale current ± 20%, with VREF = 10 V 0.5 µs settling time 2-quadrant reference multiplying 6.9 MHz bandwidt h Zero or midscale power-up reset Zero or midscale dynamic reset 3-wire interf ace 23-pad bare die package APPLICATION S Automatic test equipment Instrumentat ion Digitally controlled calibration In dustrial control programmable logic con trollers (PLCs) Programmable attenuator Dual, Current Output, Serial Input, 1 6-Bit DAC AD5545-KGD GENERAL DESCRIPTIO N The AD5545-KGD is a 16-bit, current o utput, digital-to-analog converter (DAC ) designed to operate from a 4.5 V to 5 .5 V supply range. An external referenc e is needed to establish the full-scale output current. An internal feedback r esistor (RFB) enhances the resistance a nd temperature tracking when combined w ith an external op amp to complete the current to voltage (I to V) conversion. A serial data interface offers high speed, 3-wire microcontroller .
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