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參數資料
| 型號： | TS83102G0BMGS |
| 廠商： | E2V TECHNOLOGIES PLC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA152 |
| 封裝： | 21 X 21 MM, 1.27 MM PITCH, HERMETIC SEALED, CERAMIC, CGA-152 |
| 文件頁數： | 22/54頁 |
| 文件大小： | 2622K |
| 代理商： | TS83102G0BMGS |
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29
0935B–BDC–06/08
e2v semiconductors SAS 2008
TS83102G0BMGS
6.3
Considerations on ENOB: Linearity and Noise Contribution
Figure 6-26. Example of a 16-kpoint FFT Computation at Fs = 1.4 Gsps, Fin = 702 MHz,
–
1dBFS, T
J = 80°C; Bin Spacing = (Fs/2) / 16384 = 2.67 kHz
This is a 16384 points FFT. It is 16 times decimated since a DEMUX 1:8 is used to relax the acquisition
system data rate, and data is captured on the rising edge of the data ready signal.
The spectrum is computed over the first Nyquist zone from DC to Fs/2.
Legend:
1.
Ideal 10-bit quantization noise spectral density, peak value = –84 dB
2.
Average SNR noise floor: 47 dB + 10 log (N
FFTpoint/2) = 86 dB including thermal noise
3.
Average SNR noise floor: 57 dB + 10 log (N
FFTpoint/2) = 96 dB without thermal noise
4.
Ideal 10-bit averaged SNR noise floor 6.02 x (N = 10) + 1.76 + 10 log (N
FFTpoint/2) = 101 dB
Note:
The thermal noise floor is expressed in dBm/Hz (at T = 300 K, B = 1 Hz): 10 log
(kTB/1 mW) = –174 dBm/Hz or –139.75 dBm/2.67 kHz. THD is calculated over the 25 first harmonics.
With ADC input referred thermal noise:
ENOB = 7.8 bits
THD = –55.4 dB (over 25 harmonics)
SFDR = –64 dBc
SNR = 48.8 dB
-140
-120
-100
-80
-60
-40
-20
0
20
0
100
200
300
400
500
600
700
=Fs/2
dBc
MHz
SFDR = -64 dBc
4
3
2
1
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| TS831-3ID | 功能描述:監控電路 2.71V Micropower AL RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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