參數(shù)資料
型號(hào): TS83102G0BMGS
廠商: ATMEL CORP
元件分類: ADC
英文描述: 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA152
封裝: HERMATIC, CI-CGA-152
文件頁數(shù): 16/52頁
文件大?。?/td> 1548K
代理商: TS83102G0BMGS
23
5360A–BDC–06/05
TS83102G0BMGS
Figure 6-14. Fs = 1.4 Gsps and Fin = 1399 MHz, -1 dBFS; Decimation Factor = 8, 32 kpoints FFT
6.1.7
SFDR Performance with/without External Dither
Figure 6-15. SFDR (in dBC) With and Without Dither (-23 dBm DC to 5 MHz Out of Band
Dither)
Fs = 1.4 Gsps and Fin = 710 MHz
An increase in SFDR up to >10 dB with an addition of -23 dBrms DC to 5 MHz out-of-band dither
is noted.
The dither profile has to be defined according to the ADC’s INL pattern as well as the trade-off to
be reached between the increase in SFDR and the loss in SNR.
Please refer to the Application Note on dither for more information on adding dither to an ADC.
0
100
200
300
400
500
600
700
800
900
1000
0
5000
10000
15000
20000
25000
30000
Samples
LSB
-140
-120
-100
-80
-60
-40
-20
0
20
0
100
200
300
400
500
600
700
=Fs/2
dBc
MHz
SFDR = -57 dBc
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