资料介绍
电源对噪声性能的影响
!!!!PSRR ADC DAC DC PSRR ǖ ADCDAC
1261 Nicholas Gray 20073
(AC PSRR)
!!!! 1 !!!!ADC
! AC PSRR
!!!! ADC , dB4.75V 5.25V500mVADC 0.6mVPSRR
20056402
1. !!!! ADC SNR
!!!! 4.75V 5.25V !!!! !
!!!! 2 ADC12040 12 40Msps 200mVp-p ADC FFTADC !!!!30MHz38dB ADC12040 10dB20dB
AN-1261
2007 National Semiconductor Corporation
200564
www.national.com
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20056403 20056404
2. ADC12040
!!!! 10μF 0.1μF IC , ADC2.5 3
3. 2.5 !!!! MHz ESL LDO
www.national.com
2
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3
www.national.com
ǖwww.national.com ǖ
1. /ǖa b 2. //
CSP-9-111C2 CSP-9-111S2CSP-9-111S2"" RoHS
AN-1261
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