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參數(shù)資料
型號(hào)： AD7873BCP
廠商： ANALOG DEVICES INC
元件分類(lèi)： 消費(fèi)家電
英文描述： Touch Screen Digitizer
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC16
封裝： 4 X 4 MM, MO-220VGGC, LFCSP-16
文件頁(yè)數(shù)： 12/28頁(yè)
文件大?。?/td> 657K
代理商： AD7873BCP
AD7873
Rev. D | Page 12 of 28
–120
–100
–80
–60
–40
–20
0
P
0
10
20
30
40
50
60
70
80
90
100
V
CC
RIPPLE FREQUENCY (kHz)
0
V
= 3V
100mV p-p SINEWAVE ON +V
CC
V
REF
= 2.5V EXT REFERENCE
f
SAMPLE
= 125kHz,
f
IN
= 20kHz
Figure 23. AC PSRR vs. Supply Ripple Frequency
Figure 23 shows the power supply rejection ratio versus V
DD
supply frequency for the AD7873. The power supply rejection
ratio is defined as the ratio of the power in the ADC output at
full-scale frequency, f, to the power of a 100 mV sine wave
applied to the ADC V
CC
supply of frequency f
S
:
PSSR (dB)
= 10 log (
Pf/Pfs
)
where:
Pf
is power at frequency, f, in ADC output.
Pfs
is power at frequency,
f
S
, coupled onto the ADC V
CC
supply.
Here a 100 mV p-p sine wave is coupled onto the V
CC
supply.
Decoupling capacitors of 10 μF and 0.1 μF were used on the
supply.
相關(guān)PDF資料
PDF描述
AD7873BRQ Touch Screen Digitizer
AD7874 4-Channel, 12-Bit Simultaneous Sampling Data Acquisition System(LC2MOS 4通道,12位同時(shí)采樣DAS)
AD7878SQ IC 1:10 CLOCK DRIVER 20-QSOP
AD7878 LC2MOS Complete 12-Bit 100 kHz Sampling ADC with DSP Interface
AD7878AQ LC2MOS Complete 12-Bit 100 kHz Sampling ADC with DSP Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7873BCP-REEL 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER
AD7873BCP-REEL7 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER 制造商:Analog Devices 功能描述:2.7V 12-BIT TOUCH SCREEN DIGITIZER I.C. - Tape and Reel
AD7873BCPZ 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER
AD7873BRQ 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER
AD7873BRQ-REEL 制造商:Analog Devices 功能描述:TOUCH SCREEN DIGITIZER
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