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參數(shù)資料
| 型號(hào)： | MAX1182 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual 10-Bit, 65Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs |
| 中文描述： | 雙路、10位、65Msps、+3V、低功耗ADC，內(nèi)置電壓基準(zhǔn)，并行輸出 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大?。?/td> | 684K |
| 代理商： | MAX1182 |
M
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):
SNR
dB[max]
= 6.02
dB
x N + 1.76
dB
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.
Effective Number of Bits (ENOB)
ENOB specifies the dynamic performance of an ADC at
a specific input frequency and sampling rate. An ideal
ADC
’
s error consists of quantization noise only. ENOB
is computed from:
ENOB
SINAD
dB
dB
dB
=
1 76
.
6 02
.
MAX1182
0.1
μ
F
1k
1k
100
100
C
IN
22pF
C
IN
22pF
INB+
INB-
COM
INA+
INA-
0.1
μ
F
R
ISO
50
R
ISO
50
REFP
REFN
V
IN
MAX4108
0.1
μ
F
1k
1k
100
100
C
IN
22pF
C
IN
22pF
0.1
μ
F
R
ISO
50
R
ISO
50
REFP
REFN
V
IN
MAX4108
Figure 7: Using an Op Amp for Single-Ended, AC-Coupled Input Drive
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| MAX1185 | Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs |
| MAX1185ECM | Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1182ECM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1182ECM+D | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 65Msps High Speed ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1182ECM+TD | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 65Msps High Speed ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1182ECM-D | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1182ECM-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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