AD5644R Analog Devices, AD5644R Datasheet - Page 2
AD5644R
Manufacturer Part Number
AD5644R
Description
Manufacturer
Analog Devices
Datasheet
1.AD5624R.pdf
(28 pages)
Specifications of AD5644R
Resolution (bits)
14bit
Dac Update Rate
250kSPS
Dac Settling Time
3.5µs
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5644RBRMZ-5
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD5624R/AD5644R/AD5664R
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 18
Theory of Operation ...................................................................... 20
REVISION HISTORY
4/08—Rev. A to Rev. B
Changes to Figure 50 ...................................................................... 20
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 28
11/06—Rev. 0 to Rev. A
Changes to Reference Output Parameter in Table 2 .................... 3
Changes to Reference Output Parameter in Table 3 .................... 5
Added Note to Figure 3 .................................................................... 9
4/06—Revision 0: Initial Version
AD5624R-5/AD5644R-5/AD5664R-5 ....................................... 3
AD5624R-3/AD5644R-3/AD5664R-3 ....................................... 4
AC Characteristics ........................................................................ 6
Timing Characteristics ................................................................ 7
Timing Diagram ........................................................................... 7
ESD Caution .................................................................................. 8
Digital-to-Analog Section ......................................................... 20
Resistor String ............................................................................. 20
Output Amplifier ........................................................................ 20
Rev. B | Page 2 of 28
Applications ..................................................................................... 25
Outline Dimensions ....................................................................... 27
Internal Reference ...................................................................... 20
External Reference ..................................................................... 20
Serial Interface ............................................................................ 20
Input Shift Register .................................................................... 21
SYNC Interrupt ........................................................................... 21
Power-On Reset .......................................................................... 22
Software Reset ............................................................................. 22
Power-Down Modes .................................................................. 22
LDAC Function ........................................................................... 23
Internal Reference Setup ........................................................... 23
Microprocessor Interfacing ....................................................... 24
Using a Reference as a Power Supply for the
AD5624R/AD5644R/AD5664R ............................................... 25
Bipolar Operation Using the
AD5624R/AD5644R/AD5664R ............................................... 25
Using AD5624R/AD5644R/AD5664R with a Galvanically
Isolated Interface ........................................................................ 25
Power Supply Bypassing and Grounding ................................ 26
Ordering Guide .......................................................................... 28