파트넘버.co.kr AD7124-4 데이터시트 PDF


AD7124-4 반도체 회로 부품 판매점

Sigma-Delta ADC



Analog Devices 로고
Analog Devices
AD7124-4 데이터시트, 핀배열, 회로
Data Sheet
4-Channel, Low Noise, Low Power, 24-Bit,
Sigma-Delta ADC with PGA and Reference
AD7124-4
FEATURES
3 power modes
RMS noise
Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 µA typical)
Mid power: 20 nV rms at 2.34 SPS, gain = 128 (355 µA typical)
Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 µA typical)
Up to 22 noise free bits in all power modes (gain = 1)
Output data rate
Full power: 9.38 SPS to 19,200 SPS
Mid power: 2.34 SPS to 4800 SPS
Low power: 1.17 SPS to 2400 SPS
Rail-to-rail analog inputs for gains > 1
Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle
settling)
Diagnostic functions (which aid safe integrity level (SIL)
certification)
Crosspoint multiplexed analog inputs
4 differential/7 pseudo differential inputs
Programmable gain (1 to 128)
Band gap reference with 15 ppm/°C drift maximum (70 µA)
Matched programmable excitation currents
Internal clock oscillator
On-chip bias voltage generator
Low-side power switch
General-purpose outputs
Multiple filter options
Internal temperature sensor
Self and system calibration
Sensor burnout detection
Automatic channel sequencer
Per channel configuration
Power supply: 2.7 V to 3.6 V and ±1.8 V
Independent interface power supply
Power-down current: 5 µA maximum
Temperature range: −40°C to +125°C
32-lead LFCSP/24-lead TSSOP
3-wire or 4-wire serial interface
SPI, QSPI, MICROWIRE, and DSP compatible
Schmitt trigger on SCLK
ESD: 4 kV
APPLICATIONS
Temperature measurement
Pressure measurement
Industrial process control
Instrumentation
Smart transmitters
FUNCTIONAL BLOCK DIAGRAM
AVDD REGCAPA
REFOUT
REFIN1(+) REFIN1(–)
IOVDD REGCAPD
AIN0/IOUT/VBIAS
AIN1/IOUT/VBIAS
AIN2/IOUT/VBIAS/P1
AIN3/IOUT/VBIAS/P2
AIN4/IOUT/VBIAS
AIN5/IOUT/VBIAS
AIN6/IOUT/VBIAS/REFIN2(+)
AIN7/IOUT/VBIAS/REFIN2(–)
1.9V
LDO
VBIAS
CROSSPOINT
MUX
BANDGAP
REF
AVDD
AVDD
AVSS
AVSS
REFIN2(+)
REFIN2(–)
1.8V
LDO
REFERENCE
BUFFERS
BURNOUT
DETECT
PGA1
PGA2
BUF
BUF
24-BIT
Σ-Δ ADC
VARIABLE
DIGITAL
FILTER
X-MUX
AVSS
GPOs
ANALOG
BUFFERS
CHANNEL
SEQUENCER
SERIAL
INTERFACE
AND
CONTROL
LOGIC
PSW
TEMPERATURE
SENSOR
DIAGNOSTICS
POWER
SWITCH
AVSS
AVDD
EXCITATION
CURRENTS
DIAGNOSTICS
COMMUNICATIONS
POWER SUPPLY
SIGNAL CHAIN
DIGITAL
AVSS
Figure 1.
DGND
INTERNAL
CLOCK
AD7124-4
DOUT/RDY
DIN
SCLK
CS
SYNC
CLK
Rev. C
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2015–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


AD7124-4 데이터시트, 핀배열, 회로
AD7124-4* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
View a parametric search of comparable parts
Evaluation Kits
• AD7124-4 Evaluation Board
Documentation
Application Notes
• AN-1392: How to Calculate Offset Errors and Input
Impedance in ADC Converters with Chopped Amplifiers
Data Sheet
• AD7124-4: 4-Channel, Low Noise, Low Power, 24-Bit,
Sigma-Delta ADC with PGA and Reference Data Sheet
User Guides
• UG-855: Evaluation Board for the AD7124-4 4-Channel,
Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with In-
Amp and Reference
Software and Systems Requirements
• AD7124 No-OS Software
• AD7124-4/AD7124-8 Eval+ Software
Tools and Simulations
• AD7124-4 IBIS Models
Reference Designs
• CN0376
• CN0381
• CN0382
• CN0383
• CN0384
Reference Materials
Press
• Highly Integrated Analog Front-Ends with 24-bit Converter
Cores Achieve Industry’s Best Combination of Low Power
and Noise Performance
Technical Articles
• ADC Requirements for RTD Temperature Measurement
Systems
Design Resources
• AD7124-4 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD7124-4 EngineerZone Discussions
Sample and Buy
Visit the product page to see pricing options
Technical Support
Submit a technical question or find your regional support
number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.




PDF 파일 내의 페이지 : 총 30 페이지

제조업체: Analog Devices

( analogs )

AD7124-4 data

데이터시트 다운로드
:

[ AD7124-4.PDF ]

[ AD7124-4 다른 제조사 검색 ]




국내 전력반도체 판매점


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877

[ 홈페이지 ]

IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈

( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )

전력반도체 문의 : 010-3582-2743



일반적인 전자부품 판매점


디바이스마트

IC114

엘레파츠

ICbanQ

Mouser Electronics

DigiKey Electronics

Element14


관련 데이터시트


AD7124-4

Sigma-Delta ADC - Analog Devices



AD7124-8

Sigma-Delta ADC - Analog Devices