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參數(shù)資料
| 型號： | MAX1011 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Power, 90Msps, 6-Bit ADC |
| 中文描述： | 低功耗、90Msps、6位ADC |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 111K |
| 代理商： | MAX1011 |
______________Dynamic Performanc e
Signal-to-noise and distortion (SINAD) is the ratio of the
fundamental input frequency’s RMS amplitude to all
other ADC output signals. The output spectrum is limit-
ed to frequencies above DC and below one-half the
ADC sample rate.
The theoretical minimum analog-to-digital noise is
caused by quantization error, and results directly from
the ADC’s resolution: SNR = (6.02N + 1.76)dB, where
N is the number of bits of resolution. Therefore, a per-
fect 6-bit ADC can do no better than 38dB.
The FFT Plot (see Typical Operating Characteristics)
shows the result of sampling a pure 20MHz sinusoid at
a 90MHz clock rate. This FFT plot of the output shows
the output level in various spectral bands. The plot has
been averaged to reduce the quantization noise floor
and reveal the low-amplitude spurs. This emphasizes the
excellent spurious-free dynamic range of the MAX1011.
The effective resolution (or effective number of bits) the
ADC provides can be measured by transposing the
equation that converts resolution to SINAD: N= (SINAD
-1.76)/ 6.02 (see Typical Operating Characteristics).
M
Low-Power, 90Msps, 6-Bit ADC
_______________________________________________________________________________________
9
Figure 9. Ideal Transfer Function
111111
O
111110
111101
100001
100000
011111
011110
000011
000010
000001
000000
-FSR
2
0
1LSB
INPUT VOLTAGE (IN+ TOIN-)
FSR
2
Figure 8. MAX1011 Timing Diagram
DATA OUT
1.4V
DATA VALID N - 1
DATA VALID N
1.4V
50%
t
SKEW
t
DCLK
t
AD
t
PD
TNK+
(INPUT CLOCK)
DCLK
ANALOG
INPUT
N
N + 1
N + 2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1011CEG | Low-Power, 90Msps, 6-Bit ADC |
| MAX1044AMJA | Analog IC |
| MAX1044 | Switched-Capacitor Voltage Converters |
| MAX1044CPA | Switched-Capacitor Voltage Converters |
| MAX1044CSA | Switched-Capacitor Voltage Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1011CEG | 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 |
| MAX1011CEG+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps 6-Bit 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 |
| MAX1011CEG+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps 6-Bit 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 |
| MAX1011CEG-T | 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 |
| MAX1011EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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