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參數(shù)資料
型號: AD7949BCPZRL7
廠商: Analog Devices Inc
文件頁數(shù): 8/32頁
文件大小: 0K
描述: IC ADC 14BIT 250KSPS 8CH 20LFCSP
產(chǎn)品培訓(xùn)模塊: Power Line Monitoring
產(chǎn)品變化通告: Startup Circuitry Design Improvement Change 15/April/2009
標(biāo)準(zhǔn)包裝: 1,500
系列: PulSAR®
位數(shù): 14
采樣率(每秒): 250k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 15.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 20-LFCSP-VQ
包裝: 帶卷 (TR)
輸入數(shù)目和類型: *
AD7949
Data Sheet
Rev. D | Page 16 of 32
TYPICAL CONNECTION DIAGRAMS
AD7949
REF
GND
VDD
VIO
DIN
MOSI
MISO
SS
SCK
SDO
CNV
100nF
5V
10F2
V+
V–
1.8V TO VDD
0V TO VREF
V+
V–
ADA4841-x 3
1. INTERNAL REFERENCE SHOWN. SEE VOLTAGE REFERENCE OUTPUT/INPUT SECTION FOR
REFERENCE SELECTION.
NOTES
2. CREF IS USUALLY A 10F CERAMIC CAPACITOR (X5R).
3. SEE THE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.
4. SEE THE DIGITAL INTERFACE SECTION FOR CONFIGURING AND READING CONVERSION DATA.
IN0
IN[7:1]
COM
REFIN
100nF
0V OR
VREF/2
07351-
025
Figure 25. Typical Application Diagram with Multiple Supplies
REF
GND
VDD
VIO
DIN
MOSI
MISO
SS
SCK
SDO
CNV
100nF
+5V
10F2
V+
V–
1.8V TO VDD
V+
NOTES
1. INTERNAL REFERENCE SHOWN. SEE VOLTAGE REFERENCE OUTPUT/INPUT SECTION FOR
REFERENCE SELECTION.
2. CREF IS USUALLY A 10F CERAMIC CAPACITOR (X5R).
3. SEE THE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.
4. SEE THE DIGITAL INTERFACE SECTION FOR CONFIGURING AND READING CONVERSION DATA.
IN0
IN[7:1]
COM
REFIN
100nF
VREF/2
VREF p-p
ADA4841-x 3
AD7949
07351-
026
Figure 26. Typical Application Diagram Using Bipolar Input
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