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AD7709ARUZ bảng dữ liệu(PDF) 2 Page - Analog Devices

tên linh kiện AD7709ARUZ
Giải thích chi tiết về linh kiện  16-Bit-ADC with Switchable Current Sources
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REV. A
AD7709
–2–
TABLE OF CONTENTS
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 1
FUNCTIONAL BLOCK DIAGRAM . . . . . . . . . . . . . . . . . 1
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TIMING CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . 6
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . 8
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PIN FUNCTION DESCRIPTIONS . . . . . . . . . . . . . . . . . . 9
TYPICAL PERFORMANCE CHARACTERISTICS . . . . 10
ADC CIRCUIT INFORMATION . . . . . . . . . . . . . . . . . . . 11
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
S-D ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
NOISE PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . . 13
ON-CHIP REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Communications Register . . . . . . . . . . . . . . . . . . . . . . . . 14
Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filter Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
ADC Data Result Register . . . . . . . . . . . . . . . . . . . . . . . . 18
CONFIGURING THE AD7709 . . . . . . . . . . . . . . . . . . . . . 19
DIGITAL INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
MICROCOMPUTER/MICROPROCESSOR
INTERFACING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
AD7709-to-68HC11 Interface . . . . . . . . . . . . . . . . . . . . . 21
AD7709-to-8051 Interface . . . . . . . . . . . . . . . . . . . . . . . . 21
AD7709-to-ADSP-2103/ADSP-2105 Interface . . . . . . . . 21
CIRCUIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 22
Analog Input Channels . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Programmable Gain Amplifier . . . . . . . . . . . . . . . . . . . . . 23
Bipolar/Unipolar Configuration . . . . . . . . . . . . . . . . . . . . 23
Data Output Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Excitation Currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Reference Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Reset Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Power-Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Grounding and Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Pressure Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Temperature Measurement . . . . . . . . . . . . . . . . . . . . . . . 26
3-Wire RTD Configurations . . . . . . . . . . . . . . . . . . . . . . 27
Smart Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 29
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30


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nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Analog Devices
AD7709ARU AD-AD7709ARU Datasheet
428Kb / 32P
   16-Bit - ADC with Switchable Current Sources
REV. A
AD7709ARU AD-AD7709ARU Datasheet
437Kb / 33P
   16-Bit ADC with Switchable Current Sources
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