參數(shù)資料
型號(hào): MAX1182ECM+TD
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 10/21頁(yè)
文件大?。?/td> 0K
描述: IC ADC 10BIT 65MSPS DL 48-TQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 10
采樣率(每秒): 65M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 240mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 48-TQFP 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 48-TQFP 裸露焊盤(pán)(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
18
______________________________________________________________________________________
Signal-to-Noise Ratio (SNR)
For a waveform perfectly reconstructed from digital
samples, the theoretical maximum SNR is the ratio of the
full-scale analog input (RMS value) to the RMS quantiza-
tion error (residual error). The ideal, theoretical minimum
analog-to-digital noise is caused by quantization error
only and results directly from the ADC’s resolution
(N-Bits):
SNRdB[max] = 6.02 x N + 1.76
In reality, there are other noise sources besides quanti-
zation noise e.g. thermal noise, reference noise, clock
jitter, etc. SNR is computed by taking the ratio of the
RMS signal to the RMS noise, which includes all spec-
tral components minus the fundamental, the first five
harmonics, and the DC offset.
Signal-to-Noise Plus Distortion (SINAD)
SINAD is computed by taking the ratio of the RMS sig-
nal to all spectral components minus the fundamental
and the DC offset.
MAX1182
0.1
μF
1k
Ω
1k
Ω
100
Ω
100
Ω
CIN
22pF
CIN
22pF
INB+
INB-
COM
INA+
INA-
0.1
μF
RISO
50
Ω
RISO
50
Ω
REFP
REFN
VIN
MAX4108
0.1
μF
1k
Ω
1k
Ω
100
Ω
100
Ω
CIN
22pF
CIN
22pF
0.1
μF
RISO
50
Ω
RISO
50
Ω
REFP
REFN
VIN
MAX4108
Figure 7. Using an Op Amp for Single-Ended, AC-Coupled Input Drive
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